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EFSA Journal 2015;13(11):4302
CONCLUSION ON PESTICIDE PEER REVIEW
Conclusion on the peer review of the pesticide risk assessment of the active
substance glyphosate
1
European Food Safety Authority (EFSA)
2
European Food Safety Authority (EFSA), Parma, Italy
A
BSTRACT
The conclusions of the European Food Safety Authority (EFSA), following the peer review of the initial risk
assessments carried out by the competent authority of the rapporteur Member State Germany, for the pesticide
active substance glyphosate are reported. The context of the peer review was that required by Commission
Regulation (EU) No 1141/2010 as amended by Commission Implementing Regulation (EU) No 380/2013. The
conclusions were reached on the basis of the evaluation of the representative uses of glyphosate as a herbicide on
emerged annual, perennial and biennial weeds in all crops [crops including but not restricted to root and tuber
vegetables, bulb vegetables, stem vegetables, field vegetables (fruiting vegetables, brassica vegetables, leaf
vegetables and fresh herbs, legume vegetables), pulses, oil seeds, potatoes, cereals, and sugar- and fodder beet;
orchard crops and vine, before planting fruit crops, ornamentals, trees, nursery plants etc.] and foliar spraying for
desiccation in cereals and oilseeds (pre-harvest). The reliable endpoints, concluded as being appropriate for use
in regulatory risk assessment and derived from the available studies and literature in the dossier peer reviewed,
are presented. Missing information identified as being required by the regulatory framework is listed. Concerns
are identified. Following a second mandate from the European Commission to consider the findings from the
International Agency for Research on Cancer (IARC) regarding the potential carcinogenicity of glyphosate or
glyphosate-containing plant protection products in the on-going peer review of the active substance, EFSA
concluded that glyphosate is unlikely to pose a carcinogenic hazard to humans and the evidence does not support
classification with regard to its carcinogenic potential according to Regulation (EC) No 1272/2008.
© European Food Safety Authority, 2015
K
EY WORDS
glyphosate, peer review, risk assessment, pesticide, herbicide
1
2
On request from the European Commission, Question No EFSA-Q-2014-00546 and EFSA-Q-2015-00279, approved on 30
October 2015.
Correspondence:
[email protected]
Suggested citation: EFSA (European Food Safety Authority), 2015. Conclusion on the peer review of the pesticide risk
assessment of the active substance glyphosate. EFSA Journal 2015;13(11):4302, 107 pp. doi:10.2903/j.efsa.2015.4302
Available online:
www.efsa.europa.eu/efsajournal
© European Food Safety Authority, 2015
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S
UMMARY
Commission Regulation (EU) No 1141/2010 (hereinafter referred to as ‘the Regulation’), as amended
by Commission Implementing Regulation (EU) No 380/2013, lays down the procedure for the renewal
of the approval of a second group of active substances and establishes the list of those substances.
Glyphosate is one of the active substances listed in the Regulation.
The rapporteur Member State (RMS) provided its initial evaluation of the dossier on glyphosate in the
Renewal Assessment Report (RAR), which was received by EFSA on 20 December 2013. The peer
review was initiated on 22 January 2014 by dispatching the RAR for consultation of the Member
States and the applicants of the European Glyphosate Task Force, represented by Monsanto Europe
S.A.
Following consideration of the comments received on the RAR, it was concluded that EFSA should
conduct an expert consultation in the areas of mammalian toxicology, residues, environmental fate and
behaviour and ecotoxicology and EFSA should adopt a conclusion on whether glyphosate can be
expected to meet the conditions provided for in Article 4 of Regulation (EC) No 1107/2009 of the
European Parliament and the Council. On 6 August 2014 EFSA received a mandate from the
European Commission for the peer review of the active substance glyphosate.
On 30 April 2015 EFSA received another mandate from the European Commission to consider the
findings by the International Agency for Research on Cancer (IARC) regarding the potential
carcinogenicity of glyphosate or glyphosate-containing plant protection products in the ongoing peer
review of the active substance. EFSA accepted the mandate on 19 May 2015 and has included its
views in the conclusion of the peer review. After the IARC monograph 112 was published, EFSA
asked the European Commission for an extension of the overall deadline to 30 October 2015, which
was accepted, to take into account the findings of IARC as regards the potential carcinogenicity in line
with the Commission’s request.
The conclusions laid down in this report were reached on the basis of the evaluation of the
representative uses of glyphosate as a herbicide on emerged annual, perennial and biennial weeds in
all crops [crops including but not restricted to root and tuber vegetables, bulb vegetables, stem
vegetables, field vegetables (fruiting vegetables, brassica vegetables, leaf vegetables and fresh herbs,
legume vegetables), pulses, oil seeds, potatoes, cereals, and sugar- and fodder beet; orchard crops and
vine, before planting fruit crops, ornamentals, trees, nursery plants etc.] and foliar spraying for
desiccation in cereals and oilseeds (pre-harvest), as proposed by the applicants. Full details of the
representative uses can be found in Appendix A to this report.
A series of data gaps was identified in the section identity concerning additional validation data for the
determination of impurities, batch data and updated specifications. Data gaps were also identified for
further information on analytical methods of residues in order to get a complete database to enable an
evaluation according to EU Guidance Document SANCO/825/00 rev. 8.1.
Data gaps were identified in the mammalian toxicology area to address the relevance of all individual
impurities present in the technical specifications (except for the two already identified relevant
impurities, formaldehyde and
N-Nitroso-glyphosate),
in particular impurities that elicited toxicological
alerts according to quantitative structure-activity relationship (QSAR) assessments and the ones
specified at higher level than the reference specification, in comparison with the toxicity profile of the
parent compound. Regarding carcinogenicity, the EFSA assessment focused on the pesticide active
substance and considered in a weight of evidence all available information. In contrast to the IARC
evaluation, the EU peer review experts, with only one exception, concluded that glyphosate is unlikely
to pose a carcinogenic hazard to humans and the evidence does not support classification with regard
to its carcinogenic potential according to Regulation (EC) No 1272/2008 on classification, labelling
and packaging (CLP Regulation). Glyphosate is not classified or proposed to be classified as
carcinogenic or toxic for reproduction category 2 in accordance with the provisions of Regulation
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(EC) No 1272/2008 (harmonised classification supported by the present assessment), and therefore,
the conditions of the interim provisions of Annex II, Point 3.6.5 of Regulation (EC) No 1107/2009
concerning human health for the consideration of endocrine disrupting properties are not met. To
address the potential for endocrine-mediated mode of action, the full battery of Tier I screening assays
according to the US Environmental Protection Agency Endocrine Disruptor Screening Program
(EDSP), or Level 2 and 3 tests currently indicated in the OECD Conceptual Framework are needed.
Toxicological data allowing a consumer risk assessment to be performed for the metabolites
N-acetyl-
glyphosate and
N-acetyl-AMPA,
which are relevant for uses on genetically modified (GM)
glyphosate-tolerant plant varieties that are imported into the EU, are missing.
Based on the available information, residue definitions for monitoring and risk assessment were
proposed for plant and animal commodities. These residue definitions were proposed considering the
metabolism observed in conventional and in glyphosate-tolerant GM plants. Additional residue trials
on olives and rapeseed were requested. Based on the representative uses, that were limited to
conventional crops only, chronic or acute risks for the consumers have not been identified.
Regarding fate and behaviour in the environment, further information is needed to assess the
contamination route through run off (especially in situations where application to hard surfaces might
occur) and subsequent surface water contamination and bank infiltration to groundwater. In addition,
degradation of the major soil metabolite AMPA needs to be investigated in acidic soils (pH = 5–6).
For the section on ecotoxicology, two data gaps were identified to provide an assessment to address
the long-term risk for small herbivorous mammals and for insectivorous birds. For aquatic organisms,
the risk was considered low, using the FOCUS step 2 PEC
sw
values. The risk for bees, non-target
arthropods, soil macro- and micro-organisms and biological methods for sewage treatment was
considered low. The risk to non-target terrestrial plants was considered low, but only when mitigation
measures are implemented.
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T
ABLE OF CONTENTS
Abstract .................................................................................................................................................... 1
Summary .................................................................................................................................................. 2
Table of contents ...................................................................................................................................... 4
Background .............................................................................................................................................. 5
The active substance and the formulated product .................................................................................... 8
Conclusions of the evaluation .................................................................................................................. 8
1. Identity, physical/chemical/technical properties and methods of analysis ...................................... 8
2. Mammalian toxicity ......................................................................................................................... 9
3. Residues ......................................................................................................................................... 13
4. Environmental fate and behaviour ................................................................................................. 16
5. Ecotoxicology ................................................................................................................................ 18
6. Overview of the risk assessment of compounds listed in residue definitions triggering assessment
of effects data for the environmental compartments .............................................................................. 21
6.1.
Soil ........................................................................................................................................ 21
6.2.
Ground water ........................................................................................................................ 21
6.3.
Surface water and sediment .................................................................................................. 22
6.4.
Air ......................................................................................................................................... 22
7. List of studies to be generated, still ongoing or available but not peer reviewed .......................... 23
8. Particular conditions proposed to be taken into account to manage the risk(s) identified............. 24
9. Concerns ........................................................................................................................................ 25
9.1.
Issues that could not be finalised .......................................................................................... 25
9.2.
Critical areas of concern ....................................................................................................... 25
9.3.
Overview of the concerns identified for each representative use considered ....................... 25
References .............................................................................................................................................. 27
Appendices ............................................................................................................................................. 30
Abbreviations ....................................................................................................................................... 104
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B
ACKGROUND
Commission Regulation (EU) No 1141/2010
3
(hereinafter referred to as ‘the Regulation’), as amended
by Commission Implementing Regulation (EU) No 380/2013
4
lays down the detailed rules for the
procedure of the renewal of the approval of a second group of active substances. This regulates for the
European Food Safety Authority (EFSA) the procedure for organising the consultation of Member
States and applicants for comments on the initial evaluation in the Renewal Assessment Report (RAR)
provided by the rapporteur Member State (RMS), and the organisation of an expert consultation,
where appropriate.
In accordance with Article 16 of the Regulation, if mandated, EFSA is required to adopt a conclusion
on whether the active substance is expected to meet the conditions provided for in Article 4 of
Regulation (EC) No 1107/2009 of the European Parliament and the Council within 6 months from the
end of the period provided for the submission of written comments, subject to an extension of up to 9
months where additional information is required to be submitted by the applicant(s) in accordance
with Article 16(3).
In accordance with Article 9 of the Regulation, Germany (hereinafter referred to as the ‘RMS’)
received an application from the applicants of the European Glyphosate Task Force for the renewal of
approval of the active substance glyphosate. Complying with Article 11 of the Regulation, the RMS
checked the completeness of the dossier and informed the applicants, the Commission and the
Authority about the admissibility.
The RMS provided its initial evaluation of the dossier on glyphosate in the RAR, which was received
by EFSA on 20 December 2013 (Germany, 2013). The peer review was initiated on 22 January 2014
by dispatching the RAR to Member States and the applicants of the European Glyphosate Task Force
for consultation and comments. In addition, EFSA conducted a public consultation on the RAR. The
comments received were collated by EFSA and forwarded to the RMS for compilation and evaluation
in the format of a Reporting Table. The applicants were invited to respond to the comments in column
3 of the Reporting Table. The comments and the applicants’ response were evaluated by the RMS in
column 3.
The need for expert consultation and the necessity for additional information to be submitted by the
applicants in accordance with Article 16(3) of the Regulation were considered in a telephone
conference between EFSA, the RMS, and the European Commission on 5 August 2014. On the basis
of the comments received, the applicants’ response to the comments and the RMS’s evaluation thereof
it was concluded that additional information should be requested from the applicant and EFSA should
organise an expert consultation in the areas of mammalian toxicology, residues, environmental fate
and behaviour and ecotoxicology. In accordance with Art. 16(2) of the Regulation the European
Commission decided to consult EFSA. The mandate was received on 6 August 2014
The outcome of the telephone conference, together with EFSA’s further consideration of the
comments is reflected in the conclusions set out in column 4 of the Reporting Table. All points that
were identified as unresolved at the end of the comment evaluation phase and which required further
consideration, including those issues to be considered in an expert consultation and the additional
information to be submitted by the applicants, were compiled by EFSA in the format of an Evaluation
Table.
3
4
Commission Regulation (EU) No 1141/2010 of 7 December 2010 laying down the procedure for the renewal of the
inclusion of a second group of active substances in Annex I to Council Directive 91/414/EEC and establishing the list of
those substances. OJ L 322,8.12.2011, p. 10–19.
Commission Implementing Regulation (EU) No 380/2013 of 25 April 2013 amending Regulation (EU) No 1141/2010 as
regards the submission of the supplementary complete dossier to the Authority, the other Member States and the
Commission. OJ L 116, 26.4.2013, p.4
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The conclusions arising from the consideration by EFSA, and as appropriate by the RMS, of the points
identified in the Evaluation Table, together with the outcome of the expert consultation where this
took place, were reported in the final column of the Evaluation Table.
On 30 April 2015 EFSA received another mandate from the European Commission to consider the
findings by the International Agency for Research on Cancer (IARC) regarding the potential
carcinogenicity of glyphosate or glyphosate containing plant protection products in the on-going peer
review of the active substance. EFSA accepted the mandate on 19 May 2015 and included its views in
the conclusion of the peer review.
A consultation on the conclusions arising from the peer review of the risk assessment excluding any
consideration of the findings of IARC took place with Member States via a written procedure in July
2015. After the IARC monograph 112 was published EFSA asked the European Commission for an
extension of the overall deadline to 30 October 2015, which was accepted to take into account the
findings of IARC as regards the potential carcinogenicity in line with the Commission’s request.
Following the publication of the IARC monograph 112, the RMS prepared an assessment thereof in
the format of an addendum (Germany, 2015), which EFSA circulated for comments to all Member
States. On the basis of the comments received EFSA organised an expert consultation in the section on
mammalian toxicology in particular dedicated to carcinogenicity. The conclusion was updated
accordingly and a final consultation on the conclusions arising from the peer review of the risk
assessment took place with Member States in October 2015.
This conclusion report summarises the outcome of the peer review of the risk assessment on the active
substance and the representative formulation evaluated on the basis of the representative uses as a
herbicide on emerged annual, perennial and biennial weeds in all crops [crops including but not
restricted to root and tuber vegetables, bulb vegetables, stem vegetables, field vegetables (fruiting
vegetables, brassica vegetables, leaf vegetables and fresh herbs, legume vegetables), pulses, oil seeds,
potatoes, cereals, and sugar- and fodder beet; orchard crops and vine, before planting fruit crops,
ornamentals, trees, nursery plants etc.] and foliar spraying for desiccation in cereals and oilseeds (pre-
harvest), as proposed by the applicants. A list of the relevant end points for the active substance as
well as the formulation is provided in Appendix A. In addition, a key supporting document to this
conclusion is the Peer Review Report, which is a compilation of the documentation developed to
evaluate and address all issues raised in the peer review, from the initial commenting phase to the
conclusion. The Peer Review Report (EFSA, 2015a) comprises the following documents, in which all
views expressed during the course of the peer review, including minority views, can be found:
the comments received on the RAR,
the Reporting Tables (6 August 2014),
the Evaluation Table (21 October 2015),
the report(s) of the scientific consultation with Member State experts (where relevant),
the comments received on the assessment of the additional information (where relevant),
the comments received on addendum 1 (RMS’s assessment of the IARC monograph),
the comments received on the draft EFSA conclusion.
Given the importance of the RAR including its addendum (compiled version of October 2015
containing all individually submitted addenda (Germany, 2015)) and the Peer Review Report, both
documents are considered respectively as background documents to this conclusion.
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It is recommended that this conclusion report and its background documents would not be accepted to
support any registration outside the EU for which the applicant has not demonstrated to have
regulatory access to the information on which this conclusion report is based.
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T
HE ACTIVE SUBSTANCE AND THE FORMULATED PRODUCT
Glyphosate is the ISO common name for
N-(phosphonomethyl)glycine
(IUPAC).
It should be mentioned that the salts glyphosate-isopropylammonium, glyphosate-potassium, glypho-
sate-monoammonium, glyphosate-dimethylammonium are the modified ISO common names for iso-
propylammonium
N-(phosphonomethyl)glycinate,
potassium
N-[(hydroxyphosphinato)
methyl]glycine, ammonium
N-[(hydroxyphosphinato)methyl]glycine
and dimethylammonium
N-
(phosphonomethyl)glycinate (IUPAC), respectively. These salts are derivatives of the active substance
glyphosate.
The representative formulated product for the evaluation was ‘MON 52276’, a soluble concentrate
(SL) containing 360 g/L glyphosate as isopropylammonium salt (486 g/L).
The representative uses evaluated are spraying applications against emerged annual, perennial and
biennial weeds in all crops [crops including but not restricted to root and tuber vegetables, bulb
vegetables, stem vegetables, field vegetables (fruiting vegetables, brassica vegetables, leaf vegetables
and fresh herbs, legume vegetables), pulses, oil seeds, potatoes, cereals, and sugar- and fodder beet;
orchard crops and vine, before planting fruit crops, ornamentals, trees, nursery plants etc.] and foliar
spraying for desiccation in cereals and oilseeds (pre-harvest). Full details of the GAPs can be found in
the list of end points in Appendix A.
C
ONCLUSIONS OF THE EVALUATION
1.
Identity, physical/chemical/technical properties and methods of analysis
The following guidance documents were followed in the production of this conclusion:
SANCO/3030/99 rev.4 (European Commission, 2000), SANCO /10597/2003 rev. 10.1 (European
Commission, 2012), and SANCO/825/00 rev. 8.1 (European Commission, 2010).
The proposed minimum purity of the active substance as manufactured by the members of the
European Glyphosate Task Force (GTF) comprising 24 applicants varied between 950 g/kg and
983 g/kg. The technical grade active ingredient is manufactured in the majority of cases as a TC but
also as a TK. In 21 cases the proposed individual specifications of the technical active substances
complied with the composition of the representative batches, in 3 cases they did not. The GTF
proposed a common specification covering all sources. The RMS proposed certain changes to the
reference specification proposed by the GTF based on toxicological considerations. The proposed
minimum purity of the active substance as manufactured was 950 g/kg, meeting the requirements of
the FAO specification 284/TC (2014), applicable to the materials of Monsanto, Cheminova, Syngenta
and Helm. The RMS compared each individual specification to the new proposed reference
specification and concluded that in 17 cases the proposed specification was regarded as equivalent
according to the criteria given in Tier I of Guidance Document SANCO/10597/2003 rev 10.1.
N-nitroso-glyphosate
and formaldehyde were considered relevant impurities at a maximum content of
less than 1 mg/kg and 1 g/kg respectively (see Section 2).
The assessment of the data package revealed no issues that need to be included as critical areas of
concern with respect to the identity, physical, chemical and technical properties of glyphosate or the
representative formulation; however data gaps were identified for:
-
-
an analytical method for formaldehyde with a sufficiently low LOQ and demonstrate that the
technical material meets the proposed maximum content (relevant for Brokden S.L.)
additional data/information regarding the validation of the analytical methods used for the
quantification of the significant impurities and justification for the proposed limits of some
impurities (relevant for Bro Spolka Jawna B.P. Miranowscy)
new GLP 5 batch data (relevant for Excel Crop Care Europe NV)
-
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-
-
-
-
additional validation data for the determination of one of the impurities (relevant for Helm
AG)
an updated technical specification for the TC and TK based on batch data or QC data
supporting the proposed limits for impurities, additional information concerning the methods
for impurities and revised evaluation of the precision of one of the methods with respect to
one impurity (relevant for Monsanto)
an updated technical specification and validation data for the determination of the impurities
(relevant for Sabero Europe B.V.)
additional validation data for the determination of one impurity (relevant for Sinon
Cooperation)
additional validation data for the determination of one impurity (relevant for United
Phosphorous)
The main data regarding the identity of glyphosate and its physical and chemical properties are given
in Appendix A.
Appropriate methods of analysis are available for the determination of the active substance in the
technical material and formulations and also for the determination of relevant impurities.
Considering additional analytical methods evaluated by the RMS which were not provided with the
dossier of the GTF, residues of glyphosate and
N-acetyl-glyphosate
in food and feed of plant origin
can be monitored by HPLC-MS/MS methods with LOQs of 0.05 mg/kg for both compounds in all
representative commodity groups, however a data gap was identified for a confirmatory method for
N-
acetyl-glyphosate in dry plant materials and those with high water and high fat content. An HPLC-
MS/MS method was available for the determination of residues of glyphosate and
N-acetyl-glyphosate
in all animal matrices with LOQs of 0.025 mg/kg in meat, milk and egg and 0.05 mg/kg in liver,
kidney and fat respectively. Data gaps were identified for confirmatory method for glyphosate in
animal fat and kidney/liver and a confirmatory method for
N-acetyl-glyphosate
in all animal matrices.
The residue definition for monitoring in soil was defined as glyphosate and AMPA. Compounds of the
residue definition in soil can be monitored by GC-MS after derivatisation, with LOQs of 0.05 mg/kg
for both compounds. A data gap was identified for a confirmatory method for glyphosate and AMPA
in soil. An appropriate HPLC-MS/MS method is available for monitoring residues of glyphosate and
AMPA in ground water and surface water with LOQs of 0.03 µg/l for both substances. Residues of
glyphosate in air can be monitored by GC-MS with a LOQ of 5 µg/m
3
.
The active substance is not classified as toxic according to Regulation (EC) No 1272/2008
5
(CLP
Regulation), therefore a method of analysis is not required for body fluids and tissues.
2.
Mammalian toxicity
The following guidance documents were followed in the production of this conclusion:
SANCO/221/2000 rev. 10 – final (European Commission, 2003), SANCO/222/2000 rev. 7 (European
Commission, 2004) and SANCO/10597/2003 – rev. 10.1 (European Commission, 2012) and Guidance
on Dermal Absorption (EFSA PPR Panel, 2012).
Glyphosate was discussed at the Pesticides Peer Review Experts’ Meeting 125 in February 2015 and
the carcinogenic potential of glyphosate was re-discussed at the Pesticides Peer Review
Teleconference 117 in September 2015 after the publication of the Monograph 112 by the
International Agency for Research on Cancer (IARC, 2015).
5
Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification,
labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and
amending Regulation (EC) No 1907/2006. OJ L 353, 31.12.2008 p.1–1355.
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The new proposed reference specification as proposed by the RMS (Germany, 2015) is supported by
the toxicological studies; however eight out of the 24 applicants presented specifications that were not
supported by the toxicological assessment (Industrias Afrasa S.A., Arysta Lifescience SAS, Bros
Spolka Jawna B.P. Miranowscy, Dow AgroScience S.r.l, three out of seven sources of Helm AG,
Monsanto Europe, Société Financière de Pontarlier and one of the two Syngenta Limited
manufacturing routes) which is a critical area of concern for the respective applicants/sources. In some
cases, the applicants have to comply with the respective revised technical specification as proposed by
the RMS to conclude on their equivalence to the new reference specification.
Two relevant impurities were identified, formaldehyde due to its harmonised classification in
accordance with the provisions of Regulation (EC) No 1272/2008 (CLP Regulation) as Toxic, Carc 1B
and Muta 2 and
N-nitro-glyphosate
(belonging to a group of impurities of particular concern as they
can be activated to genotoxic carcinogens); at the specified levels these impurities are not of concern.
The relevance of other impurities should be further assessed, in particular impurities that elicited
toxicological alerts according to QSAR assessments and the ones specified at a higher level than in the
reference specification; this was identified as a data gap.
The glyphosate dossier consists of an exceptionally large database, therefore the toxicological
evaluation adopted by the RMS and agreed during the peer review rely on a magnitude of valid studies
rather than on one ‘key study’ for each endpoint. Glyphosate is rapidly but incompletely absorbed
after oral administration (around 20 % of the administered dose based on urinary excretion after 48
hours and comparison of kinetic behaviour after oral and iv administrations), being mostly eliminated
unchanged via faeces. Absorbed glyphosate is poorly metabolised, widely distributed in the body, does
not undergo enterohepatic circulation and is rapidly eliminated; showing no potential for
bioaccumulation. Low
acute toxicity
was observed when glyphosate (as glyphosate acid or salts) was
administered by the oral, dermal or inhalation routes; no skin irritation or potential for skin
sensitisation were attributed to the active substance. Glyphosate acid was found to be severely irritant
to the eyes (harmonised classification in Annex VI of CLP Regulation
6
as Eye Dam. 1, H318, ‘Causes
serious eye damage’), while salts of glyphosate do not need classification regarding eye irritation. The
main target organs of glyphosate are the gastro-intestinal tract, salivary glands, liver and urinary
bladder in rodents; furthermore, upon chronic exposure, rats developed cataracts. An overall
long
term NOAEL
of 100 mg/kg bw per day was obtained considering a number of long term studies in
rats. Dogs presented reduced body weight gain, gastrointestinal signs and liver toxicity upon short
term exposure to glyphosate and a number of severe findings in one of the six studies investigating
high doses of glyphosate (around 1000 mg/kg bw per day). Glyphosate did not present
genotoxic
potential and no evidence of
carcinogenicity
was observed in rats or mice. Out of five mice studies
considered, one study with Swiss albino mice showed a statistically significant increased incidence of
malignant lymphomas at the top dose of 1460 mg/kg bw per day. This study was discussed at length
during the first Pesticides Peer Review Experts’ Meeting (PPR 125). Although observed above the
(limited) historical control data of this study, the increased incidence of malignant lymphomas
occurred at a dose level exceeding the limit dose of 1000 mg/kg bw per day recommended for the oral
route of exposure in chronic toxicity and carcinogenicity studies (OECD, 2012a) and was not
reproduced in four other valid long term studies in mice. The large majority of the experts had
considered it highly unlikely that glyphosate would present carcinogenic potential due to the generally
recognised high background incidence of malignant lymphomas in this strain (confirmed by a post-
meeting literature search made by the RMS that nevertheless did not include valid historical control
data) and the high dose at which it occurred. The study was re-considered during the second experts’
teleconference (TC 117) as not acceptable due to viral infections that could influence survival as well
as tumour incidence – especially lymphomas.
6
Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification,
labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and
amending Regulation (EC) No 1907/2006. OJ L 353, 31.12.2008, 1–1355.
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After the PPR 125 expert meeting took place, the IARC released a summary of its evaluation in an
article published by the Lancet (Guyton et al, 2015), classifying glyphosate as ‘probably carcinogenic
to humans’ (group 2A). More detailed information is available in the IARC monograph 112 (IARC,
2015), which was published in July 2015. In order to address the European Commission mandate,
EFSA asked the RMS to evaluate the IARC monograph 112, prepare an addendum (Germany, 2015)
on the carcinogenicity potential addressing the IARC assessment to be examined in the peer review
and support the discussion during the teleconference 117 with Member States experts and observers
from international agencies including IARC.
There are several reasons explaining the diverging views between the different groups of experts. On
one hand, the IARC did not only assess glyphosate but also glyphosate-based formulations, while the
EU peer review is focused on the pure active substance; the peer review recognised that the issue of
toxicity of the formulations should be considered further as some published genotoxicity studies (not
according to GLP or to OECD guidelines) on formulations presented positive results
in vitro
and
in
vivo.
In particular, it was considered that the genotoxic potential of formulations should be addressed;
furthermore EFSA noted that other endpoints should be clarified, such as long-term toxicity and
carcinogenicity, reproductive/developmental toxicity and endocrine disrupting potential of
formulations (EFSA, 2015b). The assessment of the few epidemiological studies included in the IARC
monograph, which were not reported in the original RAR (three out of ten cohort studies, six out of 19
case-control studies) was presented in the addendum of August 2015 to the RAR (Germany, 2015).
With regard to the studies on experimental animals, three of the five mice studies used by the EU peer
review and three of the nine studies in rats were not assessed by IARC. Importantly, there is a different
interpretation of the statistical analysis used to assess the carcinogenic findings in the animal studies
and on the use of historical control data; the EU peer review considered relevant historical control data
from the performing laboratory. Additionally, referring to the unusually large data base available, it
was considered appropriate by the EU peer review to adopt consistently a weight of evidence
approach.
From the wealth of epidemiological studies, the majority of experts concluded that there is very
limited evidence for an association between glyphosate-based formulations and non-Hodgkin
lymphoma, overall inconclusive for a causal or clear associative relationship between glyphosate and
cancer in human studies. Minority views nevertheless were expressed that there was either inadequate
or limited evidence of an association. No evidence of carcinogenicity was confirmed by the large
majority of the experts (with the exception of one minority view) in either rats or mice due to a lack of
statistical significance in pair-wise comparison tests, lack of consistency in multiple animal studies
and slightly increased incidences only at dose levels at or above the limit dose/MTD, lack of pre-
neoplastic lesions and/or being within historical control range. The statistical significance found in
trend analysis (but not in pair-wise comparison)
per se
was balanced against the former
considerations. During the teleconference 117, the experts also agreed to the conclusion of the RMS,
that for the active substance glyphosate no classification for mutagenicity is warranted. However,
there were two minority views, that a Comet assay should be requested for confirmation.
In contrast to the IARC evaluation, the EU peer review experts, with only one exception, concluded
that glyphosate is unlikely to pose a carcinogenic hazard to humans and the evidence does not support
classification with regard to its carcinogenic potential according to the CLP Regulation.
7
Reproductive and fertility parameters were not affected by glyphosate administration although a
decrease in homogenisation on resistant spermatids (cauda
epididymis)
was observed in the parental
generation (F
0
) at the high dose level of 1000 mg/kg bw per day, not reproduced in the following
generations, and a delay in preputial separation was seen at the same dose level in males of the filial
generation F
1
. Concomitant parental toxicity was observed at this dose level consisting of reduced
7
It should be noted that the harmonised classification is formally proposed and decided in accordance with Regulation (EC)
No 1272/2008. Proposals for classification made in the context of the evaluation procedure under Regulation (EC) No
1107/2009 are not formal proposals for harmonised classification.
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body weight gain, gastrointestinal signs and organ weight changes. Developmental effects (delayed
ossification, increased incidence of skeletal anomalies) were observed in rats in the presence of
maternal toxicity. Pregnant rabbits were found to be particularly vulnerable to glyphosate
administration and developmental effects were linked to severe maternal toxicity, including maternal
deaths. The occurrence of developmental anomalies (cardiac malformations) in one rabbit study was
discussed by the experts. As the finding was associated with severe maternal toxicity and was not
reproduced in the three newly submitted studies, the majority of the experts agreed that classification
regarding developmental toxicity would not be required. The relevant overall maternal and
developmental NOAEL were 50 mg/kg bw per day considering all developmental toxicity studies in
rabbits.
Glyphosate is not classified or proposed to be classified as carcinogenic or toxic for the reproduction
category 2 in accordance with the provisions of Regulation (EC) No 1272/2008 (harmonised
classification supported by the present assessment), and therefore, the conditions of the interim
provisions of Annex II, Point 3.6.5 of Regulation (EC) No 1107/2009 concerning human health for the
consideration of endocrine disrupting properties are not met. Apical studies did not show adverse
effects on the reproduction, however signs of endocrine activity, even if appearing at parental toxic
doses, could not be completely ruled out regarding delay in preputial separation in F
1
males and
decrease in homogenisation resistant spermatids (cauda
epididymis)
observed in the most recent multi-
generation study. Glyphosate was selected by the US EPA Endocrine Disruptor Screening Program’s
(EDSP) to undergo a full battery of Tier I screening assays for evaluation of glyphosate’s potential to
interact with the oestrogen, androgen and thyroid endocrine pathways. The RMS mentions that the
first published data revealed no effects on the androgenic and oestrogenic pathways (from the
Hershberger and Uterotrophic assays), that glyphosate did not show evidence of endocrine disruption
in male and female pubertal assays and no impact on steroidogenesis was observed in the
in vitro
assays. However these studies were not submitted for the renewal procedure and a data gap has been
identified for the full battery of Tier I screening assays on the hazard assessment of endocrine
disruptors in accordance with the EDSP, or the Level 2 and 3 tests currently indicated in the OECD
Conceptual Framework (OECD, 2012b), and analysed in the EFSA Scientific Opinion (EFSA SC,
2013). Although the experts agreed that there is no evidence for endocrine-mediated effects for
glyphosate, a firm conclusion cannot be reached now and a data gap was proposed. No potential for
neurotoxicity or immunotoxicity was detected in glyphosate-administered rats.
Single and repeated administration of glyphosate in goats and cattle at high dose levels (1000 mg/kg
bw) demonstrated that systemic intoxication in these animals was mainly characterised by
gastrointestinal and neurological signs; the kidneys and GIT (mucosal irritation) were identified as
target organs in ruminants by histopathological examination. Although these animals may be more
sensitive than monogastric animals, urinary levels of glyphosate reported from farm animals,
converted to the respective systemic dose levels, were estimated to remain well below the NOAEL for
these animals in toxicological studies (with a margin of
ca.
1:4200). A postulated adverse effect of
glyphosate on quantitative composition of ruminal microflora or ruminal metabolism in ruminants
could not be substantiated by means of the ‘Rumen Simulation Technique’, in particular, there was no
evidence of
Clostridium botulinum
overgrowth. The gastro-intestinal signs that were observed after
administration of high doses of glyphosate in mammals (laboratory and farm animals) were considered
to be most likely due to the well-established irritating properties of glyphosate acid and could not be
ascribed to alterations of the intestinal microflora.
A number of toxicological studies are available on the metabolite
AMPA
relevant to the
environmental and plant/livestock residue assessments, but only found at trace levels in the rat
metabolism studies. Overall it was concluded that AMPA presents a similar toxicological profile to
glyphosate and the reference values of the latter apply to its metabolite AMPA. No toxicological data
were provided on
N-acetyl-glyphosate
(NAG) and
N-acetyl-AMPA
which were identified as relevant
compounds in plant/livestock residues where glyphosate tolerant genetically modified (GM) plant
varieties are eaten by humans or farm animals. The need for information on this was identified as a
data gap.
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The acceptable daily intake (ADI) of glyphosate is 0.5 mg/kg bw per day, based on the maternal and
developmental NOAEL of 50 mg/kg bw per day from the developmental toxicity study in rabbits and
applying a standard uncertainty factor (UF) of 100. The previous EU evaluation had set an ADI of 0.3
mg/kg bw per day based on the four long term toxicity studies in rats that were available at that time.
In line with the former regulatory practice, NOELs instead of NOAELs were used. An overall NOEL
of 30 mg/kg bw per day was established. One of these studies has been found to no longer meet the
current testing guideline criteria due to the low doses tested (the NOEL is the highest dose tested in
this study) and in the current evaluation, an overall long term NOAEL of 100 mg/kg bw per day is
based on six valid combined long term toxicity/carcinogenicity studies in rats.
The acute reference dose (ARfD) is 0.5 mg/kg bw, based on the same NOAEL of 50 mg/kg bw per
day as the ADI (from the developmental toxicity in rabbits) due to the occurrence of severe toxicity
including mortality observed in pregnant does and the increased incidences of post-implantation losses
observed in two of the seven developmental toxicity studies in rabbits, applying an UF of 100. An
ARfD had not been allocated in the previous EU evaluation.
The acceptable operator exposure level (AOEL) is 0.1 mg/kg bw per day on the same basis as the ADI
and ARfD, applying a correction factor to account for the limited oral absorption of 20%. The
previous EU evaluation had set an AOEL of 0.2 mg/kg bw per day based on a maternal NOEL
(assumed to be a NOAEL) of 75 mg/kg bw per day from a rabbit developmental study, with an UF of
100 and 30% oral absorption.
Dermal absorption of the representative formulation ‘MON 52276’ (SL formulation containing 360 g
glyphosate/L), was conservatively set at 1% for the concentrate and in-use spray dilutions to account
for uncertainties and limitations identified in the
in vitro
dermal absorption study through human skin.
Personal protective equipment (PPE) such as gloves during mixing and loading operations have to be
considered to ensure that operator exposure does not exceed the AOEL according to the German
model for hand-held applications, while estimated operator exposure was below the AOEL for tractor-
mounted applications even when PPE is not worn. Worker exposure without PPE, bystander and
residential exposure were estimated to be below the AOEL.
Human biomonitoring of urine samples from several publications did not give indications of health
concern as the highest urine concentration value, converted for a systemic dose, was estimated to
represent at most 8.4% of the AOEL, with the mean value of samples representing
ca.
0.1% of the
AOEL; generally lower values were obtained from urine samples assumed to result from dietary intake
of glyphosate, representing 0.1-0.66 % of the ADI. Similarly, when AMPA was biomonitored, its
maximum levels were estimated to remain below 0.1 % of the ADI however no direct correlation
between glyphosate and AMPA could be established, indicating that AMPA’s presence in urine may
originate from other sources than from the metabolism of glyphosate in plants.
3.
Residues
The assessment in the residue section is based on the guidance documents listed in the guideline
1607/VI/97 rev.2 and the guideline on extrapolation SANCO 7525/VI/95 rev. 9 (European
Commission, 1999, 2011), the recommendations on livestock burden calculations stated in the JMPR
reports (JMPR, 2004, 2007) and the OECD publication on MRL calculations (OECD, 2011).
Glyphosate was discussed at the Pesticides Peer Review Experts’ Meeting 127 on residues in March
2015.
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The metabolism of glyphosate in primary crops was investigated in numerous crop groups, including
genetically modified plants containing the CP4-EPSPS,
8
GOX
9
or GAT
10
modifications.
In non-tolerant plants,
metabolism was studied in the fruit, root, pulses/oilseeds, cereal and
miscellaneous crop groups, using either soil, foliar, hydroponic or trunk application of
14
C-glyphosate
and in some experiments, with
14
C-AMPA. Following soil application, the uptake of glyphosate was
very low and amounted to mostly less than 1% of the applied radioactivity (AR) in plant matrices.
Limited translocation was also observed after local foliar application, most of the applied radioactivity
(80%) remaining in the treated parts of the plants. Hydroponic studies were therefore the key studies
to identify the metabolic pattern of glyphosate in conventional plants. Globally without soil present as
substrate, less than 5% AR was recovered in the aerial parts, up to 20% AR in the roots. No significant
degradation was observed and unchanged glyphosate was observed as the major component of the
residues in most of the samples (ca. 50% to 80% TRR) with low amounts of AMPA (4% to 10% TRR)
and N-methyl-AMPA (0.3 to 5% TRR in root samples).
In genetically modified plants,
the metabolic pattern of glyphosate is driven by the modifications
introduced into the genome of the plant.
-
In the metabolism studies conducted on GM soya bean, cotton and sugar beet containing the
CP4-
EPSPS
modification, parent glyphosate was detected as the major component of the residues,
accounting for 24% to 95% TRR in forage, hay, tops and roots and for 12% to 25% TRR in seeds.
AMPA was present at much lower amounts (mostly 1% to 13% TRR) up to 49% TRR in soya
bean seeds. Overall, the metabolic pattern was similar to that observed in conventional plants as
the CP4-EPSPS modification does not affect the metabolism of glyphosate in genetically modified
plants.
The metabolism resulting from the introduction of the
GOX
modification was investigated in rape
seed and maize in combination with the CP4-EPSPS modification. Following two foliar
applications, glyphosate was observed in maize forage, silage and fodder (67% to 83% TRR), but
almost not detected in seeds at harvest (7% TRR), where the main component of the residues was
identified as AMPA, representing up to 8% TRR in rape seeds and 60% TRR in maize seeds.
The impact of the
GAT
modification was investigated in three metabolism studies conducted on
genetically modified rapeseed, soya bean and maize, following one pre-emergence application and
three post emergence treatments, up to 7 or 14 days before harvest. Parent glyphosate was detected
in the soya bean and maize forage and foliage (9% to 75% TRR) and in rape seeds (21%), but was
almost absent in soya bean and maize seeds at harvest (0.1% to 3% TRR). In all plant matrices, the
main component of the radioactive residues was identified as the
N-acetyl-glyphosate
metabolite
formed by the action of the GAT enzyme, and accounting for 51% to 57% of the TRR in seeds and
18% to 93% TRR in the other plant parts. In addition
N-acetyl-AMPA
was also identified as a
major metabolite in rape and soya bean seeds, representing 15 to 24% TRR.
-
-
Cultivation of glyphosate tolerant GM crops is not authorised in most of the EU member states, but
since an import of glyphosate tolerant commodities is possible, the two following residue definitions
were proposed for monitoring:
8
CP4-EPSPS: In conventional plants, glyphosate inhibits the 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) protein,
a key enzyme in the biosynthesis of aromatic amino acids (e.g. tyrosine, phenylalanine…), leading to plant death.
Tolerance to glyphosate is obtained by the introduction of a gene from
Rhizobium radiobacter
that codes for the expression
of a modified EPSPS protein, insensitive towards glyphosate inhibition.
9
GOX: Glyphosate oxidoreductase, protein obtained by the introduction of a gene from
Ochrobactrum anthrop
acting by
breaking down glyphosate to AMPA and glyoxylate which have no herbicidal activity.
10
GAT: Glyphosate N-acetyltransferase, protein obtained by the introduction of a gene from
Bacillus licheniformis,
giving
rise to N-acetyl glyphosate which denotes no herbicidal activity.
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- ‘sum
glyphosate and N-acetyl glyphosate expressed as glyphosate’
for plants with glyphosate
tolerant GM varieties available on the market (mostly maize, oilseed rape and soya bean) and
considering that glyphosate alone is not an appropriate maker for some GAT-modified plants,
- ‘glyphosate’, for the other plant commodities.
For risk assessment the residue definition was proposed as:
- ‘sum
glyphosate, N-acetyl glyphosate, AMPA and N-acetyl-AMPA expressed as glyphosate’
and
considering that the N-acetyl glyphosate and N-acetyl-AMPA metabolites are relevant for the GM
crops containing the GAT modification.
In the framework of the renewal, representative uses were proposed for conventional crops only and
residue trials on glyphosate tolerant GM crops were not provided. A very large number of residue
trials were submitted where samples were almost all analysed for glyphosate and AMPA. AMPA
residues were all below the LOQ values, except in the trials related to the pre-harvest uses on cereals
and oilseeds. Since in conventional plants, the metabolism studies have shown AMPA to be present in
very low amounts compared to glyphosate residues, it was agreed for risk assessment to consider the
glyphosate LOQ value only, and not the sum of the glyphosate and AMPA LOQs as usually requested.
Considering the low contribution of AMPA to the overall consumer intakes, conversion factors for
risk assessment were not proposed for plant commodities from conventional crops. MRLs were
derived for a large number of crops and extrapolated to all crop groups, having regard to the no-
residues situations generally observed. Data gaps were identified for the clarification of the GAP and
for additional residue trials for olives (oil production) and further trials on rape seed conducted
according to the proposed GAPs were required.
The residue data were supported by storage stability studies showing that glyphosate and AMPA
residues are stable for at least 2 years to more than 3 years in the different matrix types.
N-acetyl-
glyphosate was stable for at least 1 year in high acid, high water and dry/starch matrices and
N-acetyl-
AMPA is stable for at least 1 year in high water and dry/starch matrices and 1 month in high oil
matrices. Glyphosate and N-acetyl-glyphosate were stable under standard hydrolysis conditions.
Processing studies were submitted and processing factors were proposed for several crop
commodities. Significant residues of glyphosate or AMPA are not expected in rotational crops.
Several livestock metabolism studies on goat and hen using
14
C-glyphosate and
14
C-AMPA labelled on
the phosphonomethyl-moiety and conducted with glyphosate, glyphosate trimesium or a 9/1
glyphosate/AMPA mixture were submitted. Parent glyphosate was identified as the major component
of the radioactive residues, accounting for 21% to 99% TRR in all animal matrices and AMPA was
detected in significant proportions in liver (up to 36% TRR), muscle and fat (up to 19% TRR) and egg
yolk (14% TRR). In addition, metabolism studies on goat and hen using
14
C-N-acetyl-glyphosate were
provided. In these studies, N-acetyl-glyphosate was identified as the major component of the
radioactive residues, accounting for 17% to 77% TRR. Degradation to N-acetyl-AMPA was observed
in fat (10% to 15% TRR), to glyphosate in liver (15% TRR), poultry fat (37% TRR) and egg white
(11% TRR) and to AMPA in poultry muscle and fat (11% to 17% TRR). Based on these studies and
considering that it cannot be excluded that livestock are exposed to feed items from genetically GAT-
modified crops imported from third countries, the residue definition for monitoring was proposed as
‘sum
of glyphosate and N-acetyl-glyphosate expressed as glyphosate’
for monitoring and as ‘sum
of
glyphosate, N-acetyl glyphosate, AMPA and N-acetyl-AMPA expressed as glyphosate’
for risk
assessment. Feeding studies conducted on dairy cows and laying hens fed with either glyphosate,
glyphosate trimesium or a 9/1 glyphosate/AMPA mixture were submitted. A feeding study on pig
using the glyphosate/AMPA mixture was also provided. Based on these studies and the estimated
residue intakes by livestock, MRLs were proposed for animal matrices. However, it should be
highlighted that these proposals are based on the representative uses limited to conventional crops
only. Calculated intakes by livestock and therefore MRL proposals might be significantly changed if
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the nature and levels of residues present in feed commodities from glyphosate tolerant GM crops are
taken into account.
The consumer risk assessment was performed using the EFSA PRIMo model and the STMR and HR
values derived for plant and animal commodities. Based on the available data limited to only the uses
on conventional crops, a risk for the consumer was not identified. The maximum chronic intake was
calculated to be 3% of the ADI (IE, adult) and the highest acute intake 9% of the ARfD for barley
(NL, adult).
4.
Environmental fate and behaviour
Glyphosate was discussed in the Pesticides Peer Review Meeting 126 in February 2015.
The route of degradation in soil of glyphosate under aerobic conditions was investigated in two
reliable experiments presented in the draft assessment report (DAR, Germany, 1998). Two other
experiments were provided for information only on the rate of degradation of glyphosate.
Additionally, two studies on the route of degradation of glyphosate-trimesium were submitted during
the first EU review of glyphosate. The RMS re-evaluated the previously submitted studies and
considered that the arguments presented in the DAR (Germany, 1998) for the non-acceptability of the
study Kesterson & Atkins (1991, BVL no 1932061)/ Honegger (1992, BVL no 2325652) (Germany
2013) are no longer consistent with current evaluation practice. Therefore, these studies have now
been considered acceptable regarding the results of the incubation of glyphosate in the silt loam soil
Dupo. The Glyphosate Task Force (GTF) submitted a new soil metabolism study for the renewal
process. Additionally four route of degradation studies under aerobic conditions in soil were available
in the renewal dossier from the GTF. These studies were not considered during the first review of
glyphosate. Results of an additional rate of degradation study submitted in the renewal dossier are also
considered to provide route of degradation information. Therefore, the peer review considered that up
to 12 experiments for aerobic degradation in soil at 20ºC were acceptable to characterise the route and
rate of degradation of glyphosate. Three additional experiments were considered to provide only
information on persistence or rate of degradation. From these twelve experiments, it is observed that
glyphosate exhibits low to very high persistence in soil. The principal soil metabolite was
aminomethylphosphonic acid (AMPA). The maximum amount of AMPA detected ranged from 13.3 to
50.1% AR. This metabolite exhibits moderate to high persistence in the nine laboratory experiments in
which a reliable half-life was determined.
Glyphosate comprises of one alkaline amino functional group and three ionisable acidic sites;
therefore, it is present, as multiple chemical species, at most pH values, although the di-anion
predominates at the typical environmental pH range of 5-9. Furthermore, the molecule exists as a
zwitterion at pH values < 10 due to protonation of the amino nitrogen. A moderate positive correlation
between the pH of the soil and the mineralisation has been observed in the available studies (max. CO
2
23.6 % AR [pH 6.5] – 79.6 % AR [pH 7.5]). However, no robust correlation has been observed
between pH of the soil and glyphosate half-lives (SFO DT
50
). For AMPA the RMS proposed to
exclude one soil due to the loss of microbial viability after 120 d. With this exclusion, the range of pH
values in the soils tested with AMPA was 6.5–7.5 and a conclusion on the effect of the pH of soil on
the degradation rate could not be reached. Reliable experiments on the pH range 5-6 were not
available for AMPA, neither within the laboratory studies nor within the field dissipation studies. This
range of pH values needs to be covered by experimental data according to the data requirements.
Therefore, a data gap has been identified to investigate the degradation rate of the major metabolite
AMPA in soils having pHs in the acidic range.
Degradation of glyphosate in soil under anaerobic conditions was investigated in three soils.
Glyphosate exhibits high to very high persistence under these conditions (DT
50 anaerobic
= 135 - > 1000
d). The same major metabolite AMPA, as identified under aerobic conditions, was also formed under
anaerobic conditions.
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Photolysis of glyphosate at the soil surface was investigated in four experiments with simulated and
natural sun light at 20 ºC (three experiments submitted for the first authorisation and one experiment
submitted for the renewal procedure). In these studies, irradiation does not significantly enhance
degradation of glyphosate in soil. The main metabolite identified in the irradiated and dark samples
was AMPA.
Field dissipation studies were available for glyphosate (eight sites) and the major metabolite AMPA
(five sites). AMPA exhibited higher persistence in the field dissipation studies than in the laboratory
aerobic degradation experiments. AMPA was also captured as being formed at a comparable (but
numerically higher) proportion of the precursor glyphosate (53.8 % on a molar basis) to that which
was observed in the available laboratory soil incubations.
Predicted environmental concentrations (PEC) soil values were calculated for the parent glyphosate
and the metabolite AMPA for the representative uses in annual and permanent crops based on standard
calculation approaches, the worst case field degradation pattern and the maximum application rate
proposed for the representative uses. Plateau PEC soil values for glyphosate and the metabolite AMPA
were calculated to be reached after 10 years of continuous application of glyphosate.
Batch soil adsorption / desorption studies were performed with glyphosate (24 soils were tested, 20
reliable experiments were identified and used to derive mean end points) and the metabolite AMPA
(17 soils were tested, 16 reliable experiments were identified and used to derive mean end points).
According to these studies glyphosate and AMPA may be considered to exhibit low mobility or be
immobile in soil. Four column leaching studies in a total of 16 soils are available (three performed
applying glyphosate trimesium salt). In addition, two aged (8 days and 30 days) column leaching
studies in sandy soils were also available. These column leaching studies are considered to provide
supplementary information on the leaching behaviour of glyphosate and its metabolite AMPA. No
lysimeter studies have been submitted in the original and the supplementary EU dossiers.
Glyphosate is stable to hydrolysis in the range of environmentally relevant pH (pH 5–9) at 25 ºC and
40 ºC. Aqueous photolysis of glyphosate and glyphosate trimesium were investigated in buffered
aqueous solutions (pH 5, pH 7 and pH 9 for glyphosate and pH 7 for the trimesium variant) under
simulated sunlight. Aqueous photolysis could contribute to a limited extent to the degradation of
glyphosate in aqueous environments. Glyphosate is not readily biodegradable according the available
studies (OECD 301 F and OECD 302B; OECD 1992a and OECD 1992b). Degradation and dissipation
of glyphosate in the aquatic environment under aerobic conditions was investigated in eight
water/sediment systems. Glyphosate partitioned in the sediment to a substantial extent (max 61.4 %
AR after 14 d). The persistence of glyphosate in these systems was relatively variable going from
moderate to high persistence (DT
50 whole system (SFO)
= 13.82 d to > 301 d). Two major metabolites were
found in the water phase: AMPA (max. 15.7 % AR after 14 d) and HMPA (max. 10.0 % AR after 61
d). Only the metabolite AMPA exceeded 10 % AR in the sediment (max. 18.7 % AR after 58 d).
Mineralisation ranged from 5.9 % AR to 47.9 % AR at the end of the studies. Un-extractable residue
in the sediment increased to up to 49 % AR after 120 d, at study end. PEC
SW
values were calculated up
to step 3
11
for glyphosate and up to Step 2 for the major metabolites AMPA and HMPA with FOCUS
SW tools using the FOCUS (2001) approach.
The potential for ground water exposure was assessed calculating the 80th percentile of 20 years
annual average concentrations of glyphosate and AMPA at 1 m depth with FOCUS GW PELMO 4.4.3
model
12
for the representative uses in winter and spring cereals, potatoes and apples (FOCUS, 2009).
The parametric drinking water limit of 0.1 µg/L was not exceeded by the parent or the metabolite
AMPA for any of the uses and relevant scenarios. Simulations with a second model would be needed
according to the EFSA PPR panel opinion (EFSA PPR, 2013). However, taking into account the low
11
At Step 3, simulations correctly utilised the agreed Q10 of 2.58 (following EFSA, 2007) and Walker equation coefficient
of 0.7
12
Simulations correctly utilised the agreed Q10 of 2.58 (following EFSA, 2007) and Walker equation coefficient of 0.7
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levels calculated in the available simulations (all < 0.001 µg/L) it was considered very unlikely that
calculations with a second model would result in an exceedance of the parametric drinking water limit
of 0.1 µg/L.
The applicant submitted several studies on groundwater monitoring. Glyphosate and AMPA have been
detected in Europe above the parametric limit of 0.1 µg/L in a number of instances. Detailed
groundwater monitoring studies demonstrating that glyphosate exceeded the limit of 0.1 µg/l were
available from Italy, Germany, the Netherlands, Sweden, France and Spain. In some cases, the authors
presented some clarifications of possible causes for glyphosate findings in groundwater aquifers at
levels greater than 0.1µg/L. These were that they were not directly related to representative uses and
other authorised good agricultural practices. However, it often remains unclear which findings above
the parametric limit originate from an authorised use in agricultural areas and which from misuses. In
considering these findings, it should be also taken into account that there are other sources of
glyphosate than agricultural applications, e.g. the control of weeds in streams and drains, on railways,
roads, sports fields and industrial areas. Nevertheless, due to the specific ionic characteristics of
glyphosate and AMPA the chromatographic leaching mechanisms and routes simulated by FOCUS
GW may not be the most relevant ones to assess the potential for groundwater contamination of these
compounds. In particular, further information is needed to assess the contamination route through run
off (especially in situations where application to hard surfaces might occur) and subsequent surface
water contamination and bank infiltration to groundwater. This route was considered relevant for the
representative uses on ‘all seeded or transplanted crops’ and ‘all seeded crops’ as horticultural
practices can mean that containers or seed trays can be placed on hard surfaces. Therefore a data gap
has been identified during the peer review (see section 7).
The criteria for active substances laid down in Art 4.3 (b) of Regulation No 1107/2009 have been
appropriately addressed with respect to situations when water, potentially containing residues of
glyphosate and AMPA, is abstracted for drinking water and treated by chlorination procedures.
5.
Ecotoxicology
The risk assessment was based on the following documents: European Commission (2002a, 2002b,
2002c), SETAC (2001), and EFSA (2009).
The new proposed reference specification as proposed by the RMS (Germany, 2015) is not supported
by the specifications of all applicants. Therefore a critical area of concern was identified.
Some aspects of the risk assessment of glyphosate were discussed at the Pesticides Peer Review
Meeting 128 (3–5 March 2015). The RMS raised concerns regarding the indirect effects (biodiversity)
on non-target organisms via trophic interaction of extensively used herbicides such as glyphosate. At
the meeting there was also an exchange of views on this issue. The experts considered this as an
important risk management issue.
For the risk assessment to
birds and mammals,
it is acknowledged that no specific scenarios are
available in the Guidance Document on Risk Assessment for Birds and Mammals (EFSA, 2009) for
the spraying applications against emerged annual, perennial and biennial weeds for the representative
use ‘all crops pre-planting and post planting’. The RMS used, as surrogate, the worst case scenarios
related to the early stage of several crops for the representative uses ‘all crops’ (pre and post-planting).
Although it is not clearly indicated in the guidance document (EFSA, 2009), likely the most suitable
scenarios might have been those related to ‘not crop directed applications’, which were specifically
developed for herbicides applied in orchards. However, the RMS’s approach covered both the latter
scenarios and other more conservative ones. Therefore the RMS’s approach was considered
acceptable.
It is noted that for all the representative uses, the maximum cumulative application rate per year was
reported to be 4.32 kg a.s./ha. For the representative uses in orchards, the RMS considered a
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combination of possible use patterns, which included worst case situations. Furthermore, since the
applications are made intra-row, it was assumed that the actual application rates per hectare of cropped
areas were 50% of the rates per hectare of treated areas (i.e. 2.16 kg a.s. /ha of cropped areas).
The acute risk to
birds
via dietary exposure was assessed as low with the screening level for all the
representative uses. The first tier long-term risk to birds was indicated as high for some of the
scenarios for the representative uses ‘all crops,’ pre-planting (in particular for herbivorous birds) and
for ‘cereals, pre-harvest application’ (in particular, for insectivorous birds), while the risk was low for
the uses in ‘all crops’(post-planting, oilseeds and orchards).
The acute risk to mammals was assessed as low at the first tier level for all the representative uses,
except for the worst-case scenario ‘small herbivorous mammals (e.g. common vole,
Microtus arvalis)’
for the uses in ‘all crops’ (pre-planting). No further risk assessment refinement was available for this
scenario. The first tier long-term risk to mammals was indicated as high for all the representative uses.
The residue decline of glyphosate in grass was considered to refine the time weight average factor
(f
twa
) and the Multiple Application Factor (MAF) for herbivorous birds and mammals and for
omnivorous mammals. Based on this refinement the long-term risk to herbivorous birds was indicated
as low. The long-term risk to mammals was indicated as high for the representative uses ‘all crops’
pre-planting’ and ‘all crops’ post-planting, in particular, to herbivorous mammals; the long-term risk
to small herbivorous mammals was indicated high for the representative uses in orchards based on the
application pattern of 1×2880 g a.s/ha reduced by 50% (see above). A low long-term risk to small
herbivorous mammals was demonstrated for orchards only when the substance is applied 3 × max.
1440 g a.s./ha of treated area (i.e. 3 × max. 720 g a.s./ha of cropped area, which means half of the
annual cumulative maximum application rate of 4.32 kg a.s./ha). The refined risk assessment indicated
a low long-term risk for the uses on cereals and oilseeds.
Overall, a data gap was identified to further assess the risk to herbivorous mammals for the
representative uses in orchards (long-term risk) and ‘all crops’, pre-planting (acute and long-term) and
post planting (long-term). The risk refinement proposed by the RMS for insectivorous birds for the
representative use in cereals (pre-harvest application) was based on unjustified assumptions (i.e.
refinement of PD and consequently use of different RUD values for the generic indicator focal
species) and thus it could not be considered acceptable. Therefore, a data gap was also identified to
further address the risk to insectivorous birds for the representative use in cereals (pre-harvest
application).
The risk to birds and mammals via consumption of contaminated water or via secondary poisoning
was considered as low.
A number of studies were available to investigate the effects on aquatic organisms of glyphosate, the
representative formulated product and the pertinent metabolites (AMPA, HMPA). The risk
assessments indicated a low risk to aquatic organisms with the highest FOCUS step 2 PEC
sw
values for
all the representative uses.
A large dataset from the literature review was also available on amphibians. On the basis of these data,
amphibians are less acutely and chronically sensitive than fish.
A low risk was concluded based on first tier risk assessments for bees, non-target arthropods
earthworms, soil macro-organisms, soil micro-organisms and biological methods for sewage
treatment.
For the risk assessment for non-target arthropods and for terrestrial non target plants, the use of
modified drift values was proposed by the RMS for the pre-harvest applications (i.e. representative
uses in cereals and oilseeds), because the scenario ‘pre-harvest’ is currently not considered by the
FOCUS default drift values. This proposal was discussed at the experts’ meeting. The experts
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considered more appropriate to use the FOCUS default drift values rather than the corrected values,
but it was also agreed to highlight that the drift depositions might be underestimated with the default
values for these particular uses of glyphosate.
For the risk assessment to terrestrial non target plants, the use of MAF values was discussed at the
experts’ meeting. The RMS proposed to consider the default MAF values reported in SETAC (2001)
(i.e. 1.7 for 2 applications and 2.3 for 3 applications), which are recommended for the exposure
assessment to non-target arthropods in the off-crop vegetated habitats, where dissipation time
information is not available. The RMS explained that, considering the mode of action of glyphosate
and the onset of the effect to plants is immediate, plants will be affected at each single application
event and therefore, it would be not appropriate to consider any degradation of the substance. It was
also acknowledged that further guidance would be needed on how to address effects to non-target
plants of multiple exposure events. Overall, the RMS’s proposal was agreed. The risk to terrestrial
non-target plants was indicated as low when mitigation measures including drift reduction and/or in-
field no-spray buffer zones were taken into account for all the representative uses.
On the basis of the available data in the area of ecotoxicology, there was no indication of endocrine
disrupting adverse effects. However, pending on the outcome of the data gaps identified in section 2,
further ecotoxicology data may be needed.
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6.
6.1.
Overview of the risk assessment of compounds listed in residue definitions triggering assessment of effects data for the environmental
compartments
Soil
Persistence
Low to very high (DT
50
= 2.8 – 500.3 d)
Moderate to high (lab studies DT
50
= 38.98 – 300.71 d)
High to very high (field studies DT
SFO 50
= 288.4 – > 374.9 d)
Data gap identified to investigate degradation rate in acidic soils (pH 5-6).
Ecotoxicology
Low risk for earthworms
Low risk for earthworms
Compound
(name and/or code)
glyphosate
AMPA
6.2.
Ground water
Mobility in soil
>0.1 μg/L 1m depth for the
representative uses
(at least one FOCUS scenario or relevant
lysimeter)
(a)
Compound
(name and/or code)
Pesticidal
activity
Toxicological relevance
Ecotoxicological
activity
glyphosate
Immobile to low mobility
(K
Foc
= 884 – 60000 mL / g)
FOCUS GW: No
Lysimeter: not available
Monitoring data: equivocal results.
Exceedances are reported for which it
is not possible to rule out that
contamination was caused by uses
following GAP
FOCUS GW: No
Lysimeter: not available
Monitoring data: equivocal results.
Exceedances are reported for which it
is not possible to rule out that
contamination was caused by uses
following GAP
Yes
Yes
Low risk for
organisms of surface
water
AMPA
Immobile to low mobility
(K
Foc
= 1119 – 45900 mL / g)
No
No
Genotoxicity: consistently negative
in Ames tests, mammalian cell gene
mutation and UDS tests
in vitro
and
in micronucleus assays
in vivo
AMPA and glyphosate elicit similar
toxicological profile; reference
values of glyphosate apply to
AMPA
Low risk for
organisms of surface
water
(a): Note there is uncertainty in the assessment, as the standard FOCUSgw models, scenarios and approach do not account for the specific ionic characteristics of glyphosate and AMPA.
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6.3.
Surface water and sediment
Ecotoxicology
Low risk
Low risk
Low risk
Compound
(name and/or code)
glyphosate
AMPA
HMPA
6.4.
Air
Toxicology
Rat LC
50
inhalation > 5 mg/L air (4-h nose-only exposure); no classification required
Compound
(name and/or code)
glyphosate
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7.
List of studies to be generated, still ongoing or available but not peer reviewed
This is a list of data gaps identified during the peer review process, including those areas where a
study may have been made available during the peer review process but not considered for procedural
reasons (without prejudice to provisions of Article 56 of Regulation (EC) No 1107/2009 concerning
information on potentially harmful effects).
Analytical method for formaldehyde with a sufficiently low LOQ and demonstrate that the
technical material meets the proposed maximum content (relevant for applicant Brokden, for all
representative uses evaluated; submission date proposed by the applicant: unknown; see Section 1)
Additional data/information regarding the validation of the analytical methods used for the
quantification of the significant impurities and justification for the proposed limits of some
impurities (relevant for applicant Bros Spolka Jawna B.P. Miranowscy, for all representative uses
evaluated; submission date proposed by the applicant: unknown; see section 1)
New GLP 5 batch data (relevant for applicant Excel Crop Care (Europe) NV, for all representative
uses evaluated; submission date proposed by the applicant: unknown; see Section 1)
Additional validation data for the determination of one impurity (relevant for applicant Helm AG,
for all representative uses evaluated; submission date proposed by the applicant: unknown; see
Section 1)
Updated technical specification for the TC and TK based on batch data or QC data supporting the
proposed limits for impurities (relevant for applicant Monsanto Europe N.V./S.A, for all
representative uses evaluated; submission date proposed by the applicant: unknown; see Section 1)
Revised evaluation of the precision of one of the methods with respect to one impurity (see
confidential Reporting Table) (relevant for applicant Monsanto Europe N.V./S.A., for all
representative uses evaluated; submission date proposed by the applicant: unknown; see Section 1)
Updated technical specification and validation data for the determination of the impurities
(relevant for applicant Sabero Europe B.V., for all representative uses evaluated; submission date
proposed by the applicant: unknown; see Section 1)
Additional validation data for the determination of one impurity (see confidential RT) (relevant for
applicant Sinon Cooperation, for all representative uses evaluated; submission date proposed by
the applicant: unknown; see Section 1)
Additional validation data for the determination of one impurity (see confidential RT) (relevant for
applicant United Phosphorous Ltd, for all representative uses evaluated; submission date proposed
by the applicant: unknown; see Section 1)
Confirmatory method for N-acetyl-glyphosate in dry plant materials and those with high water and
high fat content (relevant for all representative uses evaluated; submission date proposed by the
applicant: unknown; see Section 1)
Confirmatory method for glyphosate in animal fat and kidney/liver (relevant for all representative
uses evaluated; submission date proposed by the applicant: unknown; see Section 1)
Confirmatory method for
N-acetyl-glyphosate
in all animal matrices (relevant for all
representative uses evaluated; submission date proposed by the applicant: unknown; see Section 1)
Confirmatory method for glyphosate and AMPA in soil (relevant for all representative uses
evaluated; submission date proposed by the applicant: unknown; see Section 1)
23
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Relevance of all individual impurities present in the technical specification (except the two already
identified relevant impurities, formaldehyde and N-Nitroso-glyphosate), in particular impurities
that elicited toxicological alerts according to QSAR assessments and the ones specified at higher
level than the reference specification, in comparison with the toxicity profile of the parent
compound (relevant for all representative uses evaluated; submission date proposed by the
applicant: unknown; see Section 2)
The full battery of Tier I screening assays according to the EDSP, or Level 2 and 3 tests currently
indicated in the OECD Conceptual Framework, and analysed in the EFSA Scientific Opinion on
the hazard assessment of endocrine disruptors are needed to address the potential for endocrine-
mediated mode of action regarding delay in preputial separation in F1 males and decrease in
homogenisation resistant spermatids (cauda
epididymis)
observed in the most recent
multigeneration study (relevant for all representative uses evaluated; submission date proposed by
the applicant: unknown; see Section 2 and 5)
Toxicological data allowing a consumer risk assessment to be performed for metabolites
N-
acetyl-glyphosate and
N-acetyl-AMPA
(relevant for uses on glyphosate tolerant GM varieties;
submission date proposed by the applicant: unknown; see Section 2 and 3)
GAP for olives (ground picked) and additional trials conducted according to this GAP are required
(relevant for representative use on olives (oil production); submission date proposed by the
applicant: unknown; see section 3)
Additional trials on rape-seed conducted according to the proposed GAP are required (relevant for
representative use in rape seed; submission date proposed by the applicant: unknown; see
Section 3)
A data gap has been identified to investigate the degradation rate of major metabolite AMPA in
soils with pHs in the acidic range (pH
H2O
= 5-6; relevant for all representative uses evaluated;
submission date proposed by the applicant: unknown; see Section 4)
Further information is needed to assess the contamination route through run off (especially in
situations where applications to hard surfaces might occur) and subsequent surface water
contamination and bank infiltration to groundwater (relevant for all seeded or transplanted crops’
and ‘all seeded crops’ representative uses; submission date proposed by the applicant: unknown;
see Section 4)
The risk to small herbivorous mammals for the representative uses in orchards (long-term risk)
and to herbivorous mammals for the representative uses ‘all crops’, pre-planting (acute and long-
term) and post planting (long-term) needs to be further addressed (relevant for orchards, ‘all
crops’, pre-planting and post planting; submission date proposed by the applicant: unknown; see
Section 5)
Data gap to further assess the long-term risk assessment for insectivorous birds (relevant for pre-
harvest application in cereals; submission date proposed by the applicant: unknown; see Section 5)
Particular conditions proposed to be taken into account to manage the risk(s) identified
Personal protective equipment (PPE), such as gloves during mixing and loading operations have to
be considered for hand-held applications to ensure that operator exposure does not exceed the
AOEL (see Section 2).
Mitigation measures including drift reduction and/or in-field no-spray buffer zone were needed to
achieve a low risk to terrestrial non-target plants for all the representative uses.
8.
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9.
9.1.
Concerns
Issues that could not be finalised
An issue is listed as an issue that could not be finalised where there is not enough information
available to perform an assessment, even at the lowest tier level, for the representative uses in line
with the Uniform Principles in accordance with Article 29(6) of Regulation (EC) No 1107/2009 and as
set out in Commission Regulation (EU) No 546/2011
13
and where the issue is of such importance that
it could, when finalised, become a concern (which would also be listed as a critical area of concern if
it is of relevance to all representative uses).
1.
Glyphosate is not classified or proposed to be classified as carcinogenic or toxic for the
reproduction category 2 in accordance with the provisions of Regulation (EC) No. 1272/2008
(harmonised classification supported by the present assessment) and therefore the conditions of
the interim provisions of Annex II, Point 3.6.5 of Regulation (EC) No 1107/2009 concerning
human health for the consideration of endocrine disrupting properties are not met. Apical studies
did not show adverse effects on the reproduction, however as an endocrine-mediated mode of
action could not be ruled out (see Section 2). Data gaps for the full battery of Tier I screening
assays according to the EDSP, or the Level 2 and 3 tests currently indicated in the OECD
Conceptual Framework, are identified and the assessment could not be finalised (see Sections 2
and 5).
Critical areas of concern
9.2.
An issue is listed as a critical area of concern where there is enough information available to perform
an assessment for the representative uses in line with the Uniform Principles in accordance with
Article 29(6) of Regulation (EC) No. 1107/2009 and as set out in Commission Regulation (EU) No
546/2011, and where this assessment does not permit to conclude that for at least one of the
representative uses it may be expected that a plant protection product containing the active substance
will not have any harmful effect on human or animal health or on groundwater or any unacceptable
influence on the environment.
An issue is also listed as a critical area of concern where the assessment at a higher tier level could not
be finalised due to a lack of information, and where the assessment performed at the lower tier level
does not permit to conclude that for at least one of the representative uses it may be expected that a
plant protection product containing the active substance will not have any harmful effect on human or
animal health or on groundwater or any unacceptable influence on the environment.
An issue is also listed as a critical area of concern the active substance is not expected to meet the
approval criteria provided for in Article 4 of Regulation (EC) No 1107/2009.
2.
Eight out of the 24 applicants presented specifications that were not supported by the
toxicological assessment (Industrias Afrasa S.A., Arysta Lifescience SAS, Bros Spolka Jawna
B.P. Miranowscy, Dow AgroScience S.r.l, three out of seven sources of Helm AG, Monsanto
Europe, Société Financière de Pontarlier and one of the two Syngenta Limited manufacturing
routes).
Overview of the concerns identified for each representative use considered
9.3.
(If a particular condition proposed to be taken into account to manage an identified risk, as listed in
section 8, has been evaluated as being effective, then ‘risk identified’ is not indicated in this table.)
All columns are grey, as the technical material specification proposed was not comparable to the
material used in the testing (Sections 2 and 5)
13
Commission Regulation (EU) No 546/2011 of 10 June 2011 implementing Regulation (EC) No 1107/2009 of the European
Parliament and of the Council as regards uniform principles for evaluation and authorisation of plant protection products.
OJ L 155, 11.6.2011, p. 127–175.
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All seeded
or
transplanted
crops -
pre-planting
Risk identified
Assessment not
finalised
Risk identified
Assessment not
finalised
Risk identified
Assessment not
finalised
Risk identified
Assessment not
finalised
Risk identified
Assessment not
finalised
Risk identified
Assessment not
finalised
Risk identified
Assessment not
finalised
Legal
parametric
value breached
Assessment not
finalised
Legal
parametric
value breached
Parametric
value of 10µg/L
breached
Assessment not
finalised
Representative use
All seeded
crops –
post-planting
- pre
emergence
Cereals
Pre-harvest
Oilseeds
pre-
harvest
Orchard
crops and
grapes
Operator risk
Worker risk
Bystander risk
Consumer risk
Risk to wild non
target terrestrial
vertebrates
Risk to wild non
target terrestrial
organisms other
than vertebrates
Risk to aquatic
organisms
Groundwater
exposure active
substance
X
X
X
X
Groundwater
exposure
metabolites
Comments/Remarks
The superscript numbers in this table relate to the numbered points indicated in Sections 9.1 and 9.2. Where there is no
superscript number, see Section 5 for further information.
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R
EFERENCES
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European Commission, 2010. Guidance document on residue analytical methods. SANCO/825/00 rev.
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Materials of Substances Regulated under Regulation (EC) No 1107/2009. SANCO/10597/2003 –
rev. 10.1, 13 July 2012.
FOCUS (Forum for the co-ordination of pesticide fate models and their use), 2001. FOCUS Surface
Water Scenarios in the EU Evaluation Process under 91/414/EEC. Report of the FOCUS Working
Group on Surface Water Scenarios, EC Document Reference SANCO/4802/2001-rev.2. 245 pp., as
updated by the Generic Guidance for FOCUS surface water scenarios, version 1.1 dated March
2012.
FOCUS (Forum for the co-ordination of pesticide fate models and their use), 2009. Assessing
Potential for Movement of Active Substances and their Metabolites to Ground Water in the EU.
Report of the FOCUS Workgroup, EC Document Reference SANCO/13144/2010-version.1. 604
pp, as outlined in Generic Guidance for Tier 1 FOCUS groundwater Assessment, version 2.0 dated
January 2011.
Germany, 1998. Draft assessment report (DAR) on the active substance glyphosate prepared by the
rapporteur Member State Germany in the framework of Directive No 91/414/EEC, December
1998.
Germany, 2013. Renewal assessment report (RAR) on the active substance glyphosate prepared by the
rapporteur Member State Germany in the framework of Regulation (EU) No 1141/2010, December
2013. Available at www.efsa.europa.eu
Germany, 2015. Final Addendum to the renewal assessment report on glyphosate, compiled by EFSA,
October 2015. Available at www.efsa.europa.eu
Guyton, KZ, Loomis D, Grosse Y, Ghissassi FE, Benbrahim-Tallaa L, Guha N, Scoccianti C, Mattock
H and Straif K, 2015. Carcinogenicity of tetrachlorvinphos, parathion, malathion, diazinon, and
glyphosate. Lancet Oncology, 2015. Published online March 20, 2015. http://dx.doi.org/10.1016/
S1470-2045(15)70134-8
IARC (International Agency for Research on Cancer), 2015. Monographs, Volume 112: Some
organophosphate insecticides and herbicides: tetrachlorvinphos, parathion, malathion, diazinon and
glyphosate. IARC Working Group. Lyon; 3–10 March 2015. IARC Monogr Eval Carcinog Risk
Chem Hum.
JMPR (Joint Meeting on Pesticide Residues), 2004. Report of the Joint Meeting of the FAO Panel of
Experts on Pesticide Residues in Food and the Environment and the WHO Core Assessment Group
on Pesticide Residues Rome, Italy, 20–29 September 2004, Report 2004, 383 pp.
JMPR (Joint Meeting on Pesticide Residues), 2007. Report of the Joint Meeting of the FAO Panel of
Experts on Pesticide Residues in Food and the Environment and the WHO Core Assessment Group
on Pesticide Residues Geneva, Switzerland, 18–27 September 2007, Report 2007, 164 pp.
OECD (Organisation for Economic Co-operation and Development), 1992a. OECD Guidelines for the
Testing of Chemicals, Section 3. Degradation and Accumulation Test No 301: Ready
Biodegradability. ISBN: 9789264070349, 62 pp.
OECD (Organisation for Economic Co-operation and Development), 1992b. OECD Guidelines for the
Testing of Chemicals, Section 3. Degradation and Accumulation Test No 302B: Inherent
Biodegradability: Zahn-Wellens/ EVPA Test. ISBN: 9789264070387, 8 pp.
OECD (Organisation for Economic Co-operation and Development), 2011. OECD MRL calculator:
spreadsheet for single data set and spreadsheet for multiple data set, 2 March 2011. In: Pesticide
Publications/Publications on Pesticide Residues. Available online: http://www.oecd.org
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OECD (Organisation for Economic Co-operation and Development), 2012a. Series on Testing and
Assessment: No 116: Guidance document 116 on the conduct and design of chronic toxicity and
carcinogenicity studies, supporting test guidelines 451, 452 and 453 2nd edition.
ENV/JM/MONO(2011)47, 156 pp.
OECD (Organisation for Economic Co-operation and Development), 2012b. Series on Testing and
Assessment: No 150: Guidance document on Standardised Test Guidelines for Evaluating
Chemicals for Endocrine Disruption. ENV/JM/MONO(2012)22, 524 pp.
SETAC (Society of Environmental Toxicology and Chemistry), 2001. Guidance Document on
Regulatory Testing and Risk Assessment procedures for Plant Protection Products with Non-Target
Arthropods. ESCORT 2.
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A
PPENDICES
A
PPENDIX
A – L
IST OF END POINTS FOR THE ACTIVE SUBSTANCE AND THE REPRESENTATIVE
FORMULATION
Identity, Physical and Chemical Properties, Details of Uses, Further Information
Active substance (ISO Common Name)
Function (e.g. fungicide)
Rapporteur Member State
Co-rapporteur Member State
Glyphosate
Herbicide
Germany
Slovakia
Identity (Annex IIA, point 1)
Chemical name (IUPAC)
Chemical name (CA)
CIPAC No
CAS No
EC No (EINECS or ELINCS)
FAO Specification (including year of publication)
N-(phosphonomethyl)glycine
N-(phosphonomethyl)glycine
284
1071-83-6
213-997-4
284/TC (2014) applicable to material of Monsanto,
Cheminova, Syngenta and Helm
Glyphosate: ≥ 950 g/kg
Formaldehyde: maximum 1.3 g/kg of the glyphosate acid
content found
N-Nitroso-glyphosate:
maximum 1 mg/kg
Insolubles in 1 M NaOH: maximum 0.2 g/kg
Minimum purity of the active substance as
manufactured
Identity of relevant impurities (of toxicological,
ecotoxicological and/or environmental concern) in
the active substance as manufactured
Molecular formula
Molar mass
Structural formula
950
g/kg
Formaldehyde
< 1 g/kg
< 1 mg/kg
N-Nitroso-glyphosate
C
3
H
8
NO
5
P
169.1
g/mol
OH
NH
O
O
P
OH
OH
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Physical and chemical properties (Annex IIA, point 2)
Melting point (state purity)
Boiling point (state purity)
Temperature of decomposition (state purity)
Appearance (state purity)
Vapour pressure (state temperature, state purity)
Henry’s law constant
Solubility in water (state temperature, state purity
and pH)
Solubility in organic solvents
(state temperature, state purity)
189 °C (99.9 %)
Not applicable because glyphosate decomposes during
melting.
Pure glyphosate decomposes at about 200 °C (99.6 %)
White solid (99.6 %)
1.31 x 10
-5
Pa at 25 °C (98.6%)
2.1 x 10
-7
Pa m
3
mol
-1
(25 °C)
10.5 g/L at 20 °C (pH 1.90 – 1.98) (99.5 %)
Solubility at 20 °C in g/L (96.9 %)
acetone
1,2-dichloroethane
ethyl acetate
heptane
methanol
octan-1-ol
xylenes
acetonitrile
< 0.6 mg/L
< 0.6 mg/L
< 0.6 mg/L
< 0.6 mg/L
10 mg/L
< 0.6 mg/L
< 0.6 mg/L
0.8 mg/L
Surface tension
(state concentration and temperature, state purity)
Partition co-efficient
(state temperature, pH and purity)
Dissociation constant (state purity)
UV/VIS absorption (max.) incl.
(state purity, pH)
Flammability (state purity)
Explosive properties (state purity)
72.2 mN/m (1 g/L H
2
O solution, 20 °C) (96.9 %)
log P
O/W
= - 3.2 at 25 °C (pH buffer 5–9) (99.9 %)
pK
a1
= 2.34
pK
a2
= 5.73
at 290 nm < 10 L mol
1
cm
1
all at 20 °C (99 %)
No maximum in the range 200-340 nm
Glyphosate is not highly flammable under the conditions
of this test (98.7 %)
From the structural formula of glyphosate technical it
can be concluded that the substance is not explosive. The
substance does not contain any chemically instable or
highly energetic groups that might lead to an explosion.
Glyphosate technical material is not classified as an
oxidising substance (96.9 %)
Oxidising properties (state purity)
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Summary of representative uses evaluated (Glyphosate)*
Crop and/
or situation
(a)
Member
State or
Country
Product
name
F
G
or
I
(b)
F
Pests or
Group
of pests
controlled
(c)
Emerged
annual,
perennial
and biennial
weeds
Emerged
annual,
perennial
and biennial
weeds
Formulation
Type
(d-f)
SL
Conc.
a.s.
(i)
360
g/L
method
kind
(f-h)
Spray
Application
growth
stage &
season
(j)
Pre planting
of crop
number
min-max
(k)
1-2
interval
between
applications
(min)
21 d
(see
remark)
Application rate per treatment
L/ha
product
l
min-max
1-6
water
L/ha
min-max
kg as/ha
min-max
PHI
(days)
(l)
Remarks:
(m)
All crops**
(all seeded or
transplanted
crops)
All crops**
(all seeded
crops)
EU
MON
52276
100-400 0.36-2.16
EU
MON
52276
F
SL
360
g/L
Spray
Post planting/
pre
emergence
of crop
1
1-3
100-
400
0.36-1.08
Spring & autumn after harvest
(incl. stubble and/or seedbed prep.)
For all crops:
Max. application rate 4.32 kg/ha
glyphosate in any 12 month period
across use categories, equivalent to the
sum of pre-plant, pre-harvest and post-
harvest stubble applications.
The interval between applications is
dependent on new weed emergence
after the first treatment, relative to the
time of planting the crop.
7
Max. application rate 4.32 kg/ha
glyphosate in any 12 month period
across use categories, equivalent to the
sum of pre-plant, pre-harvest and post-
harvest stubble applications
Pre-harvest uses in all crops include
uses for weed control (higher doses)
and harvest aid, sometimes referred to
as desiccation (lower doses). The
critical GAP is the high dose
recommended used for weed control.
Cereals
(pre-harvest)
wheat, rye,
triticale,
Cereals
(pre-harvest)
barley and
oats
EU
MON
52276
F
Emerged
annual,
perennial
and biennial
weeds
Emerged
annual,
perennial
and biennial
weeds
Emerged
annual,
perennial
and biennial
weeds
SL
360
g/L
Spray
Crop
maturity
< 30 % grain
moisture
Crop
maturity
< 30 % grain
moisture
Crop
maturity
< 30 % grain
moisture
1
2-6
100-400 0.72-2.16
EU
MON
52276
F
SL
360
g/L
Spray
1
2-6
100-
400
0.72-2.16
7
Oilseeds
EU
(pre-harvest)
rapeseed,
mustard seed,
linseed
MON
52276
F
SL
360
g/L
Spray
1
2-6
100-
400
0.72-2.16
14
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F
G
or
I
(b)
F
Pests or
Group
of pests
controlled
(c)
Emerged
annual,
perennial
and biennial
weeds
Formulation
Type
(d-f)
SL
Conc.
a.s.
(i)
360
g/L
method
kind
(f-h)
Spray
Application
growth
stage &
season
(j)
Post
emergence of
weeds
number
min-max
(k)
1-3
interval
between
applications
(min)
28 d
Application rate per treatment
L/ha
product
l
min-max
2-8
water
L/ha
min-max
kg as/ha
min-max
PHI
(days)
(l)
Remarks:
(m)
Crop and/
or situation
(a)
Member
State or
Country
Product
name
Orchard
crops, vines,
including
citrus & tree
nuts
EU
MON
52276
100-400 0.72-2.88
N/A
Stone & pome fruit, olives
Applications to avoid contact with tree
branches.
Maximum cumulative application rate
4.32 kg/ha glyphosate in any 12 month
period
Note: Because applications are made
to the intra-rows (inner strips between
the trees within a row), application
rates per ha are expressed per ‘unit of
treated surface area’ the actual
application rate per ha orchard or
vineyard will roughly only be 33 %
Stone & pome fruit, olives
Applications made round base of trunk
[0.0 L/ha water addresses ULV
application of the undiluted product]
Max. cumulative application rate 4.32
kg/ha glyphosate in any 12 month
period
Note: Because applications are made
round base of trunk and to the intra-
rows , (inner strips between two trees
within a row), application rates per ha
are expressed per ‘unit of treated
surface area’ the actual application rate
per ha orchard or vineyard will
roughly only be 33 % - 50 %
Orchard
crops, vines,
including
citrus & tree
nuts
EU
MON
52276
F
Emerged
annual,
perennial
and biennial
weeds
SL
360
g/L
(ULV)
Sprayer or
Knapsack
use (spot
treatment)
Post
emergence of
weeds
1-3
28d
2-8
0-400
0.72-2.88
For uses where the column ‘Remarks’ is marked in grey further consideration is necessary.
Uses should be crossed out when the notifier no longer supports this use(s).
** Crops including but not restricted to: root & tuber vegetables, bulb vegetables, stem vegetables, field
vegetables (fruiting vegetables, brassica vegetables, leaf vegetables and fresh herbs, legume
vegetables), pulses, oil seeds, potatoes, cereals, and sugar- & fodder beet; before planting fruit crops,
ornamentals, trees, nursery plants etc.
(a) For crops, the EU and Codex classifications (both) should be taken into account; where relevant, the use
situation should be described (e.g. fumigation of a structure)
(b) Outdoor or field use (F), greenhouse application (G) or indoor application (I)
(g) Method, e.g. high volume spraying, low volume spraying, spreading, dusting, drench
(h) Kind,
e.g.
overall, broadcast, aerial spraying, row, individual plant, between the plant- type of
equipment used must be indicated
(i) g/kg or g/L. Normally the rate should be given for the active substance (according to ISO) and not for
the variant in order to compare the rate for same active substances used in different variants (e.g.
fluoroxypyr).
In certain cases, where only one variant is synthesised, it is more appropriate to give
the rate for the variant (e.g. benthiavalicarb-isopropyl).
(j) Growth stage at last treatment (BBCH Monograph, Growth Stages of Plants, 1997, Blackwell, ISBN 3-
8263-3152-4), including where relevant, information on season at time of application
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(c)
(d)
(e)
(f)
e.g.
biting and suckling insects, soil born insects, foliar fungi, weeds
e.g.
wettable powder (WP), emulsifiable concentrate (EC), granule (GR)
GCPF Codes - GIFAP Technical Monograph No 2, 1989
All abbreviations used must be explained
(k) Indicate the minimum and maximum number of application possible under practical conditions of use
#
former information on kg a.s.s/hl replaced by RMS
(l) The values should be given in g or kg whatever gives the more manageable number (e.g. 200 kg/ha
instead of 200 000 g/ha or 12.5 g/ha instead of 0.0125 kg/ha
(m) PHI - minimum pre-harvest interval
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Methods of Analysis
Analytical methods for the active substance (Annex IIA, point 4.1)
Technical as (analytical technique)
Impurities in technical as (analytical technique)
Plant protection product (analytical technique)
AOAC/CIPAC; HPLC-UV
Formaldehyde & NNG (FAO), HPLC-colorimeter,
HPLC-UV, Titration
AOAC/CIPAC; HPLC-UV
Analytical methods for residues (Annex IIA, point 4.2)
Residue definitions for monitoring purposes
Food of plant origin
For sweet corn, oilseed rape, soya beans and maize:
sum of glyphosate and
N-acetyl-glyphosate,
expressed as
glyphosate
For other plant commodities: glyphosate
Food of animal origin
Soil
Water
surface
drinking/ground
Air
sum of glyphosate and
N-acetyl-glyphosate,
expressed as
glyphosate
glyphosate and AMPA
glyphosate and AMPA
glyphosate and AMPA
glyphosate
Monitoring/Enforcement methods
Food/feed of plant origin (analytical technique and
LOQ for methods for monitoring purposes)
HPLC-MS/MS of underivatised analytes with phenyl-
hexyl column; LOQ = 0.05 mg/kg for glyphosate and
N-
acetyl-glyphosate all commodity groups, ILV available
For glyphosate confirmatory methods by HPLC with
post-column derivatization or by GC-MS after
derivatization with trifluoroacetic acid and
heptafluorobutanol are available.
A confirmatory method for
N-acetyl-glyphosate
is
missing in crops of high water and high fat content.
Food/feed of animal origin (analytical technique
and LOQ for methods for monitoring purposes)
HPLC-MS/MS of underivatised analytes with phenyl-
hexyl column; ILV available
LOQ = 0.025 mg/kg in meat, milk and egg and 0.05
mg/kg in liver, kidney and fat for glyphosate and
N-
acetyl-glyphosate
A confirmatory GC-MS method based on derivatization
with a mixture of trifluoroacetic anhydride and
trifluoroethanol is only available for glyphosate in milk,
eggs and meat, but not for fat and kidney/liver.
A confirmatory method for glyphosate in fat and
liver/kidney as well as a confirmatory method for
N-
acetyl-glyphosate in all matrices are missing.
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Soil (analytical technique and LOQ)
GC-MS after derivatization in a mixture of
trifluoroacetic anhydride and trifluoroethanol,
LOQ = 0.05 mg/kg for glyphosate and AMPA
A confirmatory method is missing for glyphosate
AMPA.
Water (analytical technique and LOQ)
LC-MS/MS after derivatization with 9-
Fluorenylmethylchlorformate (FMOC),
LOQ = 0.03 µg/L for glyphosate and AMPA in drinking,
ground and surface water, confirmatory LC-MS/MS
transition with LOQ = 0.03 µg/L validated,
independent laboratory validation for drinking water
successfully conducted
GC-MS after derivatization in a mixture of
trifluoroacetic anhydride and trifluoroethanol,
LOQ = 5 µg/m
3
for glyphosate
Not required, not classified as toxic or very toxic
Air (analytical technique and LOQ)
Body fluids and tissues (analytical technique and
LOQ)
Classification and proposed labelling with regard to physical and chemical data (Annex IIA,
point 10)
RMS/peer review proposal
Active substance
none
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Impact on Human and Animal Health
Absorption, distribution, excretion and metabolism (toxicokinetics) (Annex IIA, point 5.1)
Rate and extent of oral absorption
Rapid but limited, about 20 %, based on urinary
excretion and comparison of kinetic behaviour after oral
and iv administrations
Wide, highest residues after 7 d in bone, liver and
kidney; C
max
in plasma: 0,7-1,8 µg/mL (after 3-4 h),
AUC: 18.6-23.1 µg h/mL, t
1/2
: 6-12 h
No evidence for accumulation (after 7 d total residues ≤
1 % of the administered dose)
Virtually complete within 7 d with major portion
excreted within 48 h; absorbed amount eliminated via
urine, unabsorbed via faeces; biliary excretion and
exhalation negligible
Poorly metabolised with the only biotransformation
product aminomethylphosphonic acid (AMPA)
accounting for up to 1 % of the total excreted amount
(probably resulting from bacterial metabolism in the gut)
Glyphosate
Glyphosate
Distribution
Potential for accumulation
Rate and extent of excretion
Metabolism in animals
Toxicologically relevant compounds
(animals and plants)
Toxicologically relevant compounds
(environment)
Acute toxicity (Annex IIA, point 5.2)
Rat LD
50
oral
Rat LD
50
dermal
Rat LC
50
inhalation
Skin irritation
> 2000 mg/kg bw (glyphosate acid & salts)
> 2000 mg/kg bw (glyphosate acid & salts)
> 5 mg/L air (4-h nose only exposure)
(glyphosate acid & salts)
Evidence of very slight irritation; classification
and labelling not required (glyphosate acid &
salts)
Irritant, classification needed for glyphosate
acid but not for its salts
Negative (M&K test, LLNA, Buehler)
(glyphosate acid)
Negative (M&K test) (IPA salt)
Cat.
1,
H318
Eye irritation
Skin sensitisation
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Short term toxicity (Annex IIA, point 5.3)
Target / critical effect
Rats & mice: GIT (irritation with diarrhoea and bw
effects, caecum distension), urinary bladder (cystitis),
liver (clinical chemistry findings), salivary glands
(histology);
Dogs: gastrointestinal signs, bw/bw gain↓ and evidence
of weak liver toxicity with severe clinical signs and
pathological lesions in different organs in a single 90-d
dog study with capsule administration of 1000 mg/kg bw
per day
Relevant oral NOAEL
Rat, 90-d: 414 mg/kg bw per day
Mouse, 90-d: 500 mg/kg bw per day
Dog, 90-d & 1-yr: 300 mg/kg bw per day
Relevant dermal NOAEL
Rat, 21/28-d: 1000 mg/kg bw per day
(systemic), 500 mg/kg bw per day (local,
irritation)
Rabbit, 21/28-d: 5000 mg/kg bw per day
(systemic), 1000 mg/kg bw per day (local,
irritation)
Relevant inhalation NOAEL
No valid data – not required
Genotoxicity (Annex IIA, point 5.4)
Not genotoxic
Long term toxicity and carcinogenicity (Annex IIA, point 5.5)
Target/critical effect
Rat: Bw gain↓, salivary glands (wt↑, histological
changes), liver (AP activity↑, wt↑), stomach (mucosal
irritation) caecum (distension and wt↑), eye (cataracts),
Mouse: Bw gain↓, food consumption/efficiency↓, liver
(histological changes), caecum (distension and wt↑),
prolapse and ulceration of anus, urinary bladder
(histology)
Relevant NOAEL
Rat, 2-yr: 100 mg/kg bw per day (overall NOAEL from a
number of long-term studies)
Mouse, 18-month/2-yr: 150 mg/kg bw per day (overall
NOAEL)
Carcinogenicity
Not carcinogenic in rats and mice;
Very limited evidence for an association
between glyphosate-based formulations and
NHL in epidemiological studies. Overall
inconclusive for a causal or clear associative
relationship between glyphosate and cancer in
human studies; classification and labelling not
required
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Reproductive toxicity (Annex IIA, point 5.6)
Reproduction toxicity
Reproduction target / critical effect
Adult: bw gain↓, gastrointestinal signs, organ wt
changes
Reproduction and fertility: Homogenisation
resistant spermatids↓ (in
Cauda epididymidis)
in
F0 and delay in preputial separation in F1 males
at very high dose of ca. 1000 mg/kg bw per day
(15000 ppm) but no evidence for impairment of
fertility and reproductive performance
Offspring: bw gain↓, delayed preputial
separation (in one study at 1000 mg/kg bw per
day, 15000 ppm)
Relevant parental NOAEL
Relevant reproductive NOAEL
Relevant offspring NOAEL
overall 300 mg/kg bw per day
351 mg/kg bw per day
overall 300 mg/kg bw per day
Developmental toxicity
Developmental target / critical effect
Maternal:
Rat: bw gain↓, gastrointestinal signs
Rabbit: mortality, gastrointestinal signs, bw
gain↓, abortions
Developmental:
Rat: ossification↓, skeletal anomalies;
at excessive dose levels: post-implantation loss
Rabbit: post-implantation loss, foetal wt &
ossification↓; at excessive dose level:
interventricular septal defects
Relevant maternal NOAEL
Relevant developmental NOAEL
Rat: 300 mg/kg bw per day
Rabbit: 50 mg/kg bw per day
Rat: 300 mg/kg bw per day
Rabbit: 50 mg/kg bw per day
Neurotoxicity (Annex IIA, point 5.7)
Acute neurotoxicity
Rat, no evidence up to highest dose of 2000
mg/kg bw causing some systemic effects
(clinical signs and one death)
Overall NOAEL 1000 mg/kg bw
Repeated neurotoxicity
Rat, 90-day, no evidence up to highest dose of
20000 ppm (1546 mg/kg bw per day) causing
lower bw (gain) and impaired food utilization
Overall NOAEL 617 mg/kg bw per day
Delayed neurotoxicity
Chicken, no evidence up to highest dose of 2000
mg/kg bw
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Other toxicological studies (Annex IIA, point 5.8)
Mechanism studies
Severity of salivary gland findings is strain-specific in
rats; effects are likely due to low pH in oral cavity but an
adrenergic mechanism may be also involved;
No evidence of immunotoxicity (humoral immune
response, thymus and spleen weights) in mice
Pharmacological effects: No haematological,
electrocardiographic or behavioural/functional changes
after oral administration; contractile response similar to
that seen with known parasympatho-mimetic agents in
isolated guinea pig ileum; no neuromuscular blocking
activity on innervated rat gastrocnemius muscle
Toxicity studies on farm animals:
Goat LD
50
oral = 3530 mg/kg bw (glyphosate acid)
Goat LD
50
oral = 5700 mg/kg bw (IPA salt)
7-day, cow: NOAEL 540 mg/kg bw per day, based on
diarrhoea, decreased feed intake (IPA salt)
Studies performed on metabolites or impurities
Aminomethylphosphonic acid (AMPA, metabolite in
glyphosate tolerant GM plants and in soil and water:
Rat & mice LD
50
oral > 5000 mg/kg bw,
Rat LD
50
dermal > 2000 mg/kg bw;
Skin sensitisation: negative (M&K test);
90-day, rat: NOAEL: 400 mg/kg bw per day based on
bw gain↓, urothelial hyperplasia (bladder) and gastro-
intestinal clinical signs;
90-day, dog: NOAEL 263 mg/kg bw per day, the highest
dose tested;
Genotoxicity: consistently negative in Ames tests,
mammalian cell gene mutation and UDS tests
in vitro
and in micronucleus assays
in vivo;
Rat developmental toxicity: No evidence of
teratogenicity, maternal NOAEL 150 mg/kg bw per day,
based on clinical signs, bw gain/food consumption↓,
developmental NOAEL 400 mg/kg bw per day, based on
mean foetal wt↓;
AMPA presents a similar toxicological profile as
glyphosate and the reference values of the latter apply to
its metabolite AMPA.
Data gaps were identified for toxicological data on the
metabolites N-acetylglyphosate and N-acetyl-AMPA as
they were included in the residue definition for plants
with glyphosate tolerant GM plant varieties.
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Medical data (Annex IIA, point 5.9)
No critical health effects reported from occupational
health surveillance; no convincing evidence of
carcinogenicity, neurotoxicity or effects on fertility and
development in epidemiological studies; poisoning
incidents after accidental or voluntary (suicidal) oral
intake of large amounts of glyphosate-based herbicides;
transient eye irritation as most frequent sign in operators
following accidental exposure.
Summary (Annex IIA, point 5.10)**
ADI
AOEL
Value
0.5 mg/kg bw per
day
0.1 mg/kg bw per
day
0.5 mg/kg bw
Study
Developmental
toxicity, rabbit
Developmental
toxicity, rabbit
Developmental
toxicity, rabbit
Uncertainty
factor
100
Overall 500*
(100 +
20%*)
100
ARfD
* Correction for low oral absorption (20 %).
** The proposed reference values are different than those
mentioned in the review report 6511/VI/99-final
(European Commission, 2002)
Dermal absorption (Annex IIIA, point 7.3)
Formulation MON 52276 (360 g glyphosate/L SL)
1 % for concentrate and dilutions based on human skin
in
vitro
Exposure scenarios (Annex IIIA, point 7.2)
Operator
Field crop tractor-mounted (application rate: 2.16 kg
glyphosate/ha):
% of AOEL
German model
Without PPE (T-shirt and shorts)
28 %
UK POEM
Without PPE (long sleeved shirt, long trousers) 261 %
With PPE (gloves during mixing/loading and
application):
49 %
Hand-held spray applications (application rate: 2.88 kg
glyphosate/ha) under high crops
German model
(high crop, which is a worst case)
Without PPE (T-shirt and shorts)
With PPE (gloves during mixing/loading):
115 %
32 %
UK POEM
Without PPE (long sleeved shirt, long trousers): 568 %
PPE (gloves during mixing/loading and application and
gloves, impermeable coverall during application)149 %
Workers
29 % of AOEL without PPE:
worker wearing long sleeved
shirt, long trousers (‘permeable’) but no gloves
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Bystanders & Residents
Bystanders:
Adults: 4.1 % of AOEL, children: 3.4 % of AOEL
Residents:
Adults: 5.5 % of AOEL, children: 20.8 % of AOEL
(both for assumed applications on pasture, lawn or
meadow, ‘worst case’)
Classification and proposed labelling with regard to toxicological data (Annex IIA, point 10)
Substance
Harmonised classification – Annex VI of
Regulation (EC) No 1272/2008
14
glyphosate (acid)
Danger
GHS05 (corrosion)
Eye Damage 1
H318
- Causes serious eye damage
the same as above
RMS/peer review proposal
15
14
Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification,
labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and
amending Regulation (EC) No 1907/2006. OJ L 353, 31.12.2008, 1–1355.
15
It should be noted that proposals for classification made in the context of the evaluation procedure under Regulation (EC)
No 1107/2009 are not formal proposals. Classification is formally proposed and decided in accordance with Regulation
(EC) No 1272/2008.
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Metabolism in plants (Annex IIA, point 6.1 and 6.7, Annex IIIA, point 8.1 and 8.6)
Plant groups covered
Non-tolerant crops
Fruits
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Oilseeds
-
-
-
-
-
Rotational crops
-
-
-
-
-
Rape/canola (CP4-EPSPS & GOX, GAT)
Soya beans (CP4-EPSPS, GAT)
Cotton (CP4-EPSPS)
Sugarbeet (CP4-EPSPS)
Maize (CP4-EPSPS & GOX, GAT)
Beets, carrots, radish
Lettuce, cabbage
Peas
Soya beans
Barley, wheat
Mandarins (soil, foliar, hydroponic)
Almond, waltnut and pecan (soil, foliar)
Apples (soil, foliar, trunk)
Grapes (soil, foliar, trunk, hydroponic)
Avocado (foliar, direct fruit treatment)
Potato (soil, foliar)
Sugar beets (soil)
Cotton (soil, hydroponic)
Soya beans (soil, hydroponic)
Barley (soil, hydroponic)
Maize (soil, hydroponic)
Oats (soil, hydroponic)
Rice (soil, hydroponic)
Sorghum (soil, hydroponic)
Wheat (soil, hydroponic, foliar - dessication)
Coffee (soil, foliar, stem, hydroponic)
Sugar cane (soil, foliar)
Root and tuber crops
Pulses and oilseeds
Cereal grains
Miscellaneous crops
Transgenic crops (all foliar sprayed)
Root and tubers
Cereal grains
Metabolism in rotational crops similar to
metabolism in primary crops?
Processed commodities
Residue pattern in processed commodities similar
to residue pattern in raw commodities?
Plant residue definition for monitoring
yes, in rotational crops higher relative amounts of
AMPA are expected due to its formation in soil
Stable
yes
Sweet corn, oilseed rape, soya beans and maize (non-
tolerant and tolerant, all modifications):
sum of glyphosate and N-acetyl-glyphosate, expressed as
glyphosate
Other plant commodities:
glyphosate
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Plant residue definition for risk assessment
Conversion factor (monitoring to risk assessment)
Sum of glyphosate, AMPA, N-acetyl-glyphosate and N-
acetyl-AMPA, all expressed as glyphosate.
For non-tolerant crops, the contribution of AMPA to the
consumer exposure is minor, making a CF unnecessary.
Residues in glyphosate tolerant GM crops and
application type (pre-emergence/desiccation) should be
considered to derive CF for plant commodities.
Metabolism in livestock (Annex IIA, point 6.2 and 6.7, Annex IIIA, point 8.1 and 8.6)
Animals covered
Time needed to reach a plateau concentration in
milk and eggs
Animal residue definition for monitoring
Animal residue definition for risk assessment
Conversion factor (monitoring to risk assessment)
Goats, chicken
Milk: <7 days
Eggs: 14 days (based on 28 day feeding study, no plateau
reached within 8 days in metabolism studies)
Sum of glyphosate and N-acetyl-glyphosate, expressed
as glyphosate
Sum of glyphosate, AMPA, N-acetyl-glyphosate and N-
acetyl-AMPA, all expressed as glyphosate
Not proposed, since assessment based on conventional
crops only while ratio of metabolites in animal matrices
strongly depends on the ratio of metabolites in animal
diet and therefore on the amount of GMO-feedstuff in
diets.
For non-tolerant feed crops, a conversion factor for
animal commodities was considered unnecessary.
Metabolism in rat and ruminant similar (yes/no)
Fat soluble residue: (yes/no)
yes
no
Residues in succeeding crops (Annex IIA, point 6.6, Annex IIIA, point 8.5)
Based on the supported uses, glyphosate and AMPA
residues not expected in rotational crops
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Stability of residues (Annex IIA, point 6 Introduction, Annex IIIA, point 8 Introduction)
High acid content matrices
Glyphosate
AMPA
N-acetyl-glyphosate
N-acetyl-AMPA
High water content matrices
Glyphosate
AMPA
N-acetyl-glyphosate
N-acetyl-AMPA
High oil content matrices
Glyphosate
AMPA
N-acetyl-glyphosate
N-acetyl-AMPA
High starch content matrices
Glyphosate
AMPA
N-acetyl-glyphosate
N-acetyl-AMPA
High protein content matrices
Glyphosate
AMPA
N-acetyl-glyphosate
N-acetyl-AMPA
Other plant matrices
Glyphosate
AMPA
N-acetyl-glyphosate
N-acetyl-AMPA
Animal commodities
Glyphosate
AMPA
N-acetyl-glyphosate
N-acetyl-AMPA
>14 to >31 months
>14 to >31 months
not investigated
not investigated
>9 to 31 months
6 to 24 months
6 to >12 months
>1 to >12 months
>18 to >24 months
>24 months
>12 months
>1 month
18 to >48 months
10 to >31 months
>12 months
>12 months
>18 months
not investigated
not investigated
not investigated
18 to >45 months
6 to >24 months
>12 months
>1 months
14 to >26 months
14 to >26 months
not investigated
not investigated
Residues from livestock feeding studies (Annex IIA, point 6.4, Annex IIIA, point 8.3)
Ruminant:
Poultry:
Pig:
Conditions of requirement of feeding studies
Expected intakes by livestock
0.1 mg/kg diet (dry
weight basis) (yes/no - If yes, specify the level)
Yes
Dairy cattle:
1.58 mg/kg bw
Beef cattle:
4.5 mg/kg bw
Potential for accumulation (yes/no):
Metabolism studies indicate potential level of
residues ≥ 0.01 mg/kg in edible tissues (yes/no)
no
yes
Feeding studies:
EFSA Journal 2015;13(11):4302
45
no
yes
no
yes
Yes
0.29 mg/kg bw
Yes
0.21 mg/kg bw
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Ruminant:
Poultry:
Pig:
Cattle study 1 (glyphosate:AMPA 9:1):
1.4/0.156; 4.0/0.48 and 12.8/1.4 mg eq/kg bw
Cattle study 2 (glyphosate-trimesium):
0.012; 0.13; 1.44; 7.38 and 19.4 mg eq/kg bw
Poulty:
0.24 and 2.2 mg/kg bw
Pig:
1.08 mg/kg bw
Estimated residue levels in animal matrices (mg/kg) at
the expected intake levels:
Muscle
Liver
Kidney
Fat
Milk
Eggs
<0.05
0.07
1.6
0.06
<0.02
<0.01
<0.05
<0.05
0.08
<0.05
<0.05
<0.05
0.12
<0.05
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Summary of residues data according to the representative uses on raw agricultural commodities (Annex IIA, point 6.3, Annex IIIA, point 8.2)
Northern/
Southern
Region
(a)
Trials results relevant to the representative uses
(b)
Comments/remarks
(c)
MRL
(mg/kg)
HR
(d)
STMR
(e)
Crop
Unless otherwise stated, all samples were analysed for glyphosate and AMPA separately, achieving the same LOQ values. Since AMPA was never detected above the LOQs,
residue levels measured in the trials listed below are reported for glyphosate only. In addition, since AMPA was always observed in much lower levels than glyphosate in the
metabolism studies on conventional crops, when residue for glyphosate and AMPA were both <LOQ, the LOQ reported for glyphosate was considered for risk assessment
(and not the sum of the LOQs as usually required)
Hazelnut
Apples &
pears
Cherries
Peaches
Grapes
SEU
NEU
SEU
NEU
SEU
NEU
4x <0.05
<0.02, 3x <0.05
17x <0.05
2x <0.05
2x <0.05
6x <0.05, 0.07, 0.30
Residue of 0.07 and 0.30 mg/kg measured in low
hanging fruits (following application at a lower
rate of 2x 720 g/ha) were considered to derived a
MRL of 0.5 mg/kg for grapes; MRL
OECD
: 0.43/0.5
Additional trials requested to derived MRL for
olives (oil production)
MRL
OECD
: 2.0/2
Based on pre-sowing application trials conducted
on potato and carrots where residue levels were
all <LOQ, a MRL of 0.05* mg/kg is proposed for
the root and tuber vegetable group (including
potato).
The MRL proposal of 0.05* mg/kg is extrapolated
to the whole group ‘bulb vegetables’
Based on pre-sowing application trials conducted
0.05*
0.05
0.05
0.5
0.3
0.05
Based on the trials conducted on hazelnuts,
apples, pears, cherries and peaches following soil
application beneath trees, where residue levels
were all <LOQ, a MRL of 0.05* mg/kg is
proposed for the citrus, tree nuts, pome and stone
fruits groups.
0.05*
0.05
0.05
Table
Olives
SEU
tree-picked:
ground-picked:
12x <0.05, 6x <0.05
0.11, 0.14, 0.53, 0.93
2
0.93
0.335
Potato
NEU
SEU
2x <0.05
2x <0.05
2x <0.05
2x <0.05
6x <0.05
3x <0.05
2x <0.05
Carrots
NEU
SEU
Onions
(bulb)
Tomato
NEU
SEU
NEU
0.05*
0.05
0.05
0.05*
0.05
0.05
47
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Northern/
Southern
Region
(a)
SEU
NEU
SEU
NEU
SEU
Head
cabbage
Lettuce
NEU
SEU
NEU
SEU
Leek
NEU
SEU
Sugar beet
(Roots)
Sugar beet
(Tops)
NEU
SEU
NEU
SEU
Crop
Cucumber
Courgette
(Zucchini)
Cauliflower
Trials results relevant to the representative uses
(b)
<0.05
<0.05
<0.05
2x <0.05
2x <0.05
2x <0.05
2x <0.05
2x <0.05
2x <0.05
2x <0.05
2x <0.05
6x <0.05
2x <0.05
6x <0.05
2x <0.05
Comments/remarks
(c)
on tomato, cucumber and courgette where residue
levels were all <LOQ, a MRL of 0.05* mg/kg is
proposed for the whole group. ‘fruiting
vegetables’
The MRL proposal of 0.05* mg/kg is extrapolated
to the whole group ‘brassica vegetables’ (pre-
emergence or pre-planting application)
MRL
(mg/kg)
HR
(d)
STMR
(e)
0.05*
0.05
0.05
MRL proposal of 0.05* mg/kg extrapolated to the
whole group ‘leaf vegetables and fresh herbs’
MRL proposal of 0.05 mg/kg extrapolated to the
whole group ‘stem vegetables’
MRL proposal of 0.05 mg/kg extrapolated to the
whole group ‘Sugar plants’
0.05*
0.05
0.05
0.05*
0.05
0.05
0.05*
0.05
0.05
-
0.05
0.05
All residue trails here below, were conducted on conventional crops and therefore samples were analysed for glyphosate and AMPA only.
Mo:
Residue level according to the residue definition for monitoring (conventional crops): glyphosate.
RA:
Residue level according to the residue definition for risk assessment (conventional crops): sum glyphosate + AMPA expressed as glyphosate
STMR and HR values are expressed according to the residue definition for risk assessment (sum glyphosate + AMPA expressed as glyphosate)
Rape seed
NEU
Mo:
1.4, 6.4, 9.0
RA:
1.7, 6.5, 9.0
(f)
Data not sufficient to derive an MRL proposal
no
proposal
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Northern/
Southern
Region
(a)
NEU
Crop
Barley, oats
(grain)
Trials results relevant to the representative uses
(b)
Mo:
1.2, 1.5, 2.0, 2.1, 2.1, 2.2, 2.4, 2.5, 2.6, 2.6, 2.8, 3.95;
4.3, 4.4, 4.5, 4.6, 4.8, 5.1, 5.2, 5.2, 5.2, 5.3, 5.4, 5.5, 5.5,
5.7, 5.9, 5.9, 6.2, 6.5, 6.7, 7.4, 7.7, 7.8, 8.0, 8.1, 8.4, 9.8,
10, 10.3, 12.4, 12.5, 14, 15.5, 16.5, 17, 17.5, 18.4, 21, 21.4
RA:
1.3, 1.5
(f)
, 2.1, 2.2, 2.2, 2.3, 2.5, 2.5, 2.7, 2.9, 3.2, 4.2,
4.4, 4.6, 4.9, 5.0, 5.1
(f)
, 5.2, 5.3, 5.3, 5.3
(f)
, 5.5, 5.5
(f)
, 5.6,
5.8, 5.8, 5.9, 6.2, 6.2
(f)
, 6.6, 6.9, 7.5, 7.9, 8.0, 8.2, 8.3,
8.4
(f)
, 10, 10.3, 10.4, 12.4
(f)
, 12.8, 14.4, 16, 16.6, 17.2,
17.8, 18.4
(f)
, 21.4
(f)
, 21.6
Comments/remarks
(c)
Almost all values are the mean of replicates
MRL
OECD
: 28.3/30 (NEU)
Having regard to the large number of residue
trials in NEU and since levels in SEU tria ls are in
the same order of magnitude, additional trials in
SEU are not requested.
MRL
(mg/kg)
30
HR
(d)
21.6
STMR
(e)
5.85
SEU
NEU
Mo:
6.0, 7.8, 13.5, 19
RA:
6.0, 7.9, 13.7, 19.3
Mo:
4.6, 6.9, 9.6, 10.5, 11, 11.5, 12.8, 12.8, 14.5, 16, 17,
18, 22, 24, 26, 26.3, 26.5, 27, 27.3, 28.4, 32.2, 33.3,
36.9, 37, 41.5, 44, 49.7, 54, 56, 60.5, 69.6, 80.5, 86,
90.2, 109, 115, 117, 136, 140
RA:
4.7, 6.9
(f)
, 10, 10.6, 11.3, 12.1, 13.1, 13.2, 14.6, 16.3,
17.7, 18
(f)
, 22
(f)
, 24.5, 26.7, 27.1, 27.6, 28.6, 28.7,
29.3, 29.6, 32.7, 33.9, 37.8, 38, 42.1, 44.4, 51.3, 56
(f)
,
60.8, 61.9, 70.7, 83.6, 89.8, 92, 109
(f)
, 115
(f)
, 119,
140, 142
Almost all values are the mean of replicates
-
142
29.45
Barley, oats
(straw)
SEU
Mo:
34, 49.5, 66, 102
RA:
34.9, 51, 68.1, 105
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Northern/
Southern
Region
(a)
NEU
Crop
Wheat, rye
(grain)
Trials results relevant to the representative uses
(b)
Mo:
0.05, 0.11, 0.16, 0.19, 0.22, 0.23, 0.23, 0.26, 0.33,
0.5, 0.5, 0.6, 0.64, 0.67, 0.7, 0.7, 0.7(3), 0.71, 0.74,
0.75, 0.75, 0.77, 0.85, 1.3, 1.4, 1.5, 1.55, 1.6, 1.7, 1.7,
1.75, 2.2, 2.4, 2.9, 3.1, 3.45, 3.5, 3.7, 3.85, 4.7, 4.8,
4.85, 5.4, 9.5, 12.4, 17.5
RA:
0.125, 0.18, 0.24, 0.26, 0.27, 0.27, 0.28, 0.29, 0.36,
1.1, 0.58, 0.64
(f)
, 0.7, 0.74, 0.74
(f)
, 0.75, 0.77, 0.78,
0.78, 0.78, 0.78, 0.83, 0.83, 0.84, 0.93, 1.3
(f)
, 1.5, 1.6,
1.6, 1.6
(f)
, 1.7
(f)
, 1.8, 1.9, 2.3, 2.4
(f)
, 2.9
(f)
, 3.1
(f)
, 3.5,
3.6, 3.8, 3.9, 4.9, 5.0, 5.0, 5.4
(f)
, 9.5
(f)
, 13.3, 18.1
Comments/remarks
(c)
Almost all values are the mean of replicates
MRL
OECD
: 17.5/20 (NEU)
MRL
(mg/kg)
20
HR
(d)
18.1
STMR
(e)
0.885
SEU
NEU
Mo:
0.07, 0.38, 0.4, 0.4, 0.47, 0.6, 0.95, 1.2, 2.8
RA:
0.15, 0.45, 0.48, 0.48, 0.55, 0.68, 1.0, 1.3, 3.0
Mo:
1.4, 5.3, 8.4, 9.5, 10.3, 10.6, 11.4, 14.7, 14.9, 17.3,
18.5, 19.1, 19.7, 21.5, 24.8, 26.9, 27.4, 27.5, 29.6,
31.4, 34.8, 42, 43.2, 43.8, 44.5, 46, 52.8, 63.3, 68,
70.5, 84.5, 85, 95.3, 95.5, 95.7, 96.5, 99, 175
RA:
1.5, 5.4, 9.3, 10.5, 10.9, 11, 12.6, 15.7, 15.7, 17.6,
19.2, 19.4, 19.9, 22.1, 25.5, 28, 28.2, 28.9, 29.6
(f)
,
31.8, 35.9, 42.6, 43.2, 44.2, 45.4, 46(f), 52.8(f), 64.3,
68
(f)
, 71.4, 87.5, 88.5, 96.5
(f)
, 97.3, 97.6, 98, 103, 179
Almost all values are the mean of replicates
-
179
30.7
Wheat, rye
(straw)
SEU
(a)
(b)
(c)
(d)
(e)
(f)
Mo:
3.4, 15.5, 16, 20, 22, 28, 28.5, 55.5, 98
RA:
3.5, 16.9, 18.6, 20.9, 23.2, 29.6, 29.7, 56.5, 99
NEU: Outdoor trials conducted in northern Europe, SEU: Outdoor trials conducted in southern Europe, Indoor: indoor EU trials or Country code: if non-EU trials.
Individual residue levels considered for MRL calculation are reported in ascending order (2x <0.01, 0.01, 6x 0.02, 0.04, 0.08, 2x 0.10, 0.15, 0.17),
Any information/comment supporting the decision and OECD MRL calculation (unrounded/rounded values)
HR: Highest residue level according to the residue definition for risk assessment.
STMR: Median residue level according to residue definition for risk assessment
AMPA not analysed for
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Consumer risk assessment (Annex IIA, point 6.9, Annex IIIA, point 8.8)
ADI
TMDI (% ADI) according to EFSA PRIMo model
TMDI (% ADI) according (to be specified) diets
IEDI according to EFSA PRIMo model
NEDI (% ADI) according to German NVS II model
Factors included in IEDI and NEDI
ARfD
IESTI (% ARfD) according to EFSA PRIMo model
NESTI (% ARfD) according to German NVS II
model
Factors included in IESTI and NESTI
0.5 mg/kg bw per day
not calculated
not calculated
Highest IEDI: 3% ADI (IE, Adult)
1.5% DE general population aged 14-80 yrs.
STMR values, PFs if applicable
0.5 mg/kg bw
Children: 5% for Oats (German children aged 2-4 y)
Adults: 9% for barley (Netherland adults)
Children: 5% for Oats (German children aged 2-4 y)
Adults: 6% for barley (General population aged 14-80 y)
PF Rye:
bran (1.5), flour (0.44), wholemeal flour (1.0)
PF Wheat: bran (1.8), flour (0.57), wholemeal flour: (1.1)
Processing factors (Annex IIA, point 6.5, Annex IIIA, point 8.4)
Crop/processed
product
Citrus
juice
peel
feed meal
press liquor
Potato
chips
flakes
wet peel
dry peel
granules
Olives
crude oil (vergine)
refined oil
Linseed
oil
press cake
Rape seed
crude oil
refined oil
press cake
Soya beans
fat free meal
hulls
crude oil
soapstock
Number of
studies
6
6
6
6
3
3
3
3
3
19
6
4
4
4
4
4
2
2
2
2
Processing factors
Glyphosate
0.83
3
2.6
2
-
-
-
-
-
0.09
0.22
0.25
1.6
0.14
0.13
1.4
0.98
4.8
0.01
0.045
AMPA
-
-
-
-
1.3
1.5
0.31
1.5
2.3
-
-
-
-
-
-
-
0.95
2.45
0.055
0.29
Comments
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Processing factors
Glyphosate
1.1
0.1
0.1
0.1
0.9
0.75
0.75
0.9
1.5
0.44
1
0.63
1.35
1.8
0.57
1.1
0.37
0.61
0.15
1.8
AMPA
0.64
0.5
0.5
-
-
-
-
0.59
0.76
1.3
0.31
0.61
0.79
1.2
0.81
-
-
-
-
-
Comments
Crop/processed
product
Maize
fat free meal
crude oil
refined oil
soapstock
small grits
medium grits
large grits
flour
Rye
bran
flour
wholemeal flour
wholemeal bread
middlings
Wheat
bran
flour
wholemeal flour
wholemeal bread
middlings
semolina
semolina bran
Number of
studies
4 (2 AMPA)
4 (2 AMPA)
4 (2 AMPA)
4 (0 AMPA)
2 (0 AMPA)
2 (0 AMPA)
2 (0 AMPA)
2 (2 AMPA)
4
4
4
4
4
13 (1 AMPA)
13 (1 AMPA)
2
2
2
2
2
EFSA Journal 2015;13(11):4302
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Proposed MRLs (Annex IIA, point 6.7, Annex IIIA, point 8.6)
Citrus, tree nuts, pome fruits, stone fruits
Strawberries
Root and tuber vegetables, bulb vegetables,
Fruiting vegetables except sweet corn,
Brassica vegetables,
Leaf vegetables and fresh herbs
Stem vegetables,
Herbal infusions,
Sugar plants
Pulses
Oilseeds
Buckwheat, maize, millet, rice, sorghum, other
cereals,
0.05* mg/kg
0.05* mg/kg
Trials were not provided, but having regard to the no
residue situation (all values <0.05 mg/kg) observed when
glyphosate is used before sowing/emergence of annual
crops and since metabolism studies suggest a negligible
uptake from roots, a MRL of 0.05* mg/kg is proposed to
cover the pre-sowing/emergence uses of the active
substances on these crops.
0.5 mg/kg
2 mg/kg
30 mg/kg
20 mg/kg
Grapes
Table Olives
Barley, oats
Wheat, rye
Swine
Muscle
Fat
Liver
Kidney
Muscle
Fat
Liver
Kidney
Milk
Muscle
Fat
Liver
Kidney
Eggs
0.05* mg/kg
0.05* mg/kg
0.05* mg/kg
0.2 mg/kg
0.05* mg/kg
0.1 mg/kg
0.1 mg/kg
2.0 mg/kg
0.05* mg/kg
0.05* mg/kg
0.05* mg/kg
0.05* mg/kg
0.1 mg/kg
0.025* mg/kg
Bovine
Poultry
When the MRL is proposed at the LOQ, this should be annotated by an asterisk (*) after the figure.
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Route of degradation (aerobic) in soil (Annex IIA, point 7.1.1.1.1)
Mineralisation after 100 days
Non-extractable residues after 100 days
Metabolites requiring further consideration
-
name and/or code, % of applied (range and
maximum)
16.9 - 79.6 % after 60 – 366 d (n = 12)
2.5 - 43.2 % after 60 – 366 d (n = 12)
AMPA: 13.3 - 50.1 % max. at 7- 120 d (n = 12)
Field:
AMPA: 19.65 - 53.8 % max. after 56 - 271 d (n = 10)
Route of degradation in soil - Supplemental studies (Annex IIA, point 7.1.1.1.2)
Anaerobic degradation
Mineralisation after 100 days
Non-extractable residues after 100 days
Metabolites that may require further consideration
for risk assessment - name and/or code, % of
applied (range and maximum)
DT
50
Soil photolysis
Metabolites that may require further consideration
for risk assessment - name and/or code, % of
applied (range and maximum)
1
st
study:
DT
50
in d (experimental): 90 d (irradiated), 96 d (dark)
AMPA: max. 13.0 % max. (irradiated), 9.6% max. (dark)
2
nd
study:
DT
50
in d (experimental): 101 d (irradiated), 1236 d
(dark)
AMPA: max.8.2% (irradiated), 6.1 % (dark)
3
rd
study:
DT
50
in d: 5.5 d (at 50°N)
AMPA: max.24 %
0.87 - 45.42 % after 66 - 120 d (n = 3)
20.88 - 24.6 % 66 - 120 d (n = 3)
AMPA: max. 30.2 % after 84 days (n = 3)
DT
50
= 142 d (n = 1), no significant degradation (n = 1),
no DT
50
calculated (n = 1)
EFSA Journal 2015;13(11):4302
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Rate of degradation in soil (Annex IIA, point 7.1.1.2, Annex IIIA, point 9.1.1)
Laboratory studies
Glyphosate
Aerobic conditions
T (
o
C) /
soil
moisture
20/ pF2.5
20/ 40%
MWHC
25/ 75%
of 1/3 bar
[b]
Persistence endpoints at 20 and 25°C
Soil type
pH
(H
2
O)
DT
50
(d)
Kinetic
DT
90
(d)
parameters
k
1
: 0.2474
k
2
: 0.0304
g: 0.4459
α: 0.45389
β: 10.47275
α: 0.6565
β: 0.6406
k
1
: 0.23497
k
2
: 0.00826
g: 0.541289
k
1
: 0.2638
k
2
: 0.0192
g: 0.6715
k
1
: 1.2566
k
2
: 0.1161
g: 0.4038
α: 0.8550
β: 3.1539
k
1
: 0.1129
k
2
: 0.0040
g: 0.3453
k
1
: 0.1277
k
2
: 2.3e-014
g: 0.9578
k
1
: 0.4736
k
2
: 0.0372
g: 0.3278
α: 0.5770
β: 8.0642
k
1
: 0.3162
k
2
: 0.0494
g: 0.8355
α: 1.01
β: 9.31
k: 0.0159
Fit
χ2 error
(%)
3.0
2.31
Method of
calculation
Gartenacker, loam
7.1
7.86
56.29
DFOP
Arrow, sandy loam
Soil B, sandy loam
6.5
[a]
6.7
37.75
1.2
1661
20.8
FOMC
FOMC
6.9
Les Evouettes, Silt Loam
6.1
20/ 40%
MWHC
20/ 1/3
bar
8.55
83.92
5.93
DFOP
Maasdjik, sandy loam
7.5
[a]
4.61
62.00
0.84
DFOP
Drusenheim, loam
7.4
20/ pF2.5
2.06
15.38
2.4
DFOP
Pappelacker, loamy sand
7.0
20/ pF2.5
3.94
43.45
4.1
FOMC
18-Acres, clay loam
5.7
20/ pF2.5
67.72
471.4
2.9
DFOP
Speyer 2.3, Loamy Sand
6.9
20/40%
MWHC
[a]
5.78
21.99
2.41
DFOP
Speyer 2.1, sand
6.5
20/ 45%
MWHC
20/ 45%
MWHC
20/ 45%
MWHC
25/ 75%
FC
20/ 40%
MWHC
20/ 40%
MWHC
8.3
51.3
2.45
DFOP
Speyer 2.2, loamy sand
6.2
[a]
[a]
18.7
428
4.04
FOMC
Speyer 2.3, loamy sand
6.9
2.70
13.03
7.45
DFOP
Dupo, silt loam
Speyer 2.2, loamy sand
7.3
[b]
6.0
1.01
43.53
9.31
144.61
3.8
6.95
FOMC
SFO
Speyer 2.1, sand
6.9
[b]
11.11
$
144.25
$
α: 0.7683
β: 7.5833
3.91
FOMC
$
EFSA Journal 2015;13(11):4302
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α: 0.45389
β: 10.47275
Arrow
FOMC
Maximum* (n = 15)
[a]
[b]
$
37.75
1661
*
converted from given pH in CaCl
2
or KCl
buffer solution unknown
labelled in the phosphonomethyl-glycine anion of glyphosate-trimesium
maximum, which would result to the highest PECsoil
Aerobic conditions
Glyphosate
Persistence endpoints at 10°C
pH
(H
2
O)
T ( C) / soil
moisture
o
Soil type
DT
50
(d) DT
90
(d)
Kinetic
parameters
k
1
: 0.300
k
2
: 0.0361
g: 0.3756
Fit
χ2
error
(%)
2.31
Method of
calculation
Speyer 2.3, loamy
sand
[a]
6.9
[a]
10/ 45% MWHC 8.07
50.79
DFOP
converted from given pH in CaCl
2
or KCl
Laboratory studies
Glyphosate
Aerobic conditions
Endpoint in regard to P-criterion
Soil type
Gartenacker,
loam
Arrow, sandy
loam
Soil B, sandy
loam
Les Evouettes,
Silt Loam
Maasdjik, sandy
loam
Drusenheim,
loam
Pappelacker,
loamy sand
18-Acres, clay
loam
Speyer 2.3,
Loamy Sand
Speyer 2.1,
sand
Speyer 2.2,
loamy sand
Speyer 2.3,
loamy sand
Dupo, silt loam
Speyer 2.2,
loamy sand
recalculated SFO
pH
T (
o
C) / soil
DT
50
(days)
(H
2
O) moisture
actual
7.1
6.5
[a]
6.7
6.1
[b]
7.5
[a]
7.4
7.0
5.7
6.9
6.5
[a]
6.2
[a]
6.9
[a]
7.3
[b]
6.0
20/ pF2.5
20/ 40%
MWHC
25/ 75% of
1/3 bar
20/ 40%
MWHC
20/ 1/3 bar
20/ pF2.5
20/ pF2.5
20/ pF2.5
20/40%
MWHC
20/ 45%
MWHC
20/ 45%
MWHC
20/ 45%
MWHC
25/ 75%
FC
20/ 40%
MWHC
16.95
500.3
6.27
25.28
18.7
4.63
13.09
141.9
6.6
15.45
129
3.93
2.80
43.53
Normalised SFO
DT
50
(days)
20 °C, pF2
15.2
427.8
6.7
22.6
14.1
3.6
12.0
133.8
6.6
15.45
129
3.93
3.70
40.6
Fit
χ2 error
(%)
3.0
2.31
6.9
5.93
0.84
2.4
4.1
2.9
2.41
2.45
4.04
7.45
3.8
6.95
Method of
calculation
DFOP,
DT
90
/3.32
FOMC
DT
90
/3.32
FOMC
DT
90
/3.32
DFOP,
DT
90
/3.32
DFOP,
DT
90
/3.32
DFOP,
DT
90
/3.32
FOMC
DT
90
/3.32
DFOP,
DT
90
/3.32
DFOP,
DT
90
/3.32
DFOP,
DT
90
/3.32
FOMC
DT
90
/3.32
DFOP,
DT
90
/3.32
FOMC
DT
90
/3.32
SFO
EFSA Journal 2015;13(11):4302
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FOMC
DT
90
/3.32
$
Speyer 2.1,
sand
6.9
[b]
20/ 40%
MWHC
43.06
$
43.06
427.8
3.91
Maximum (n = 15)
Geometric mean (n = 15)
19.74
according to EFSA DG
SANCO working document
on evidence needed to
identify POP, PBT and vPvB
properties for pesticides from
25.09.2012- rev.3
[a]
[b]
$
converted from given pH in CaCl
2
or KCl in order to allow pH dependency tests of the degradation
buffer solution unknown
labelled in the phosphonomethyl-glycine anion of glyphosate-trimesium
Glyphosate
Modelling endpoints
Soil type
Gartenacker, loam
Arrow, sandy loam
Soil B, sandy loam
Les Evouettes, Silt
Loam
Maasdjik, sandy
loam
Drusenheim, loam
Pappelacker, loamy
sand
Aerobic conditions
pH
(H
2
O)
7.1
6.5
[a]
6.7
6.1
[b]
7.5
[a]
7.4
7.0
T (
o
C) / % soil
moisture
20/ pF2.5
20/ 40% MWHC
25/ 75% of 1/3 bar
20/ 40% MWHC
20/ 1/3 bar
20/ pF2.5
20/ pF2.5
20/ pF2.5
20/40% MWHC
20/ 45% MWHC
20/ 45% MWHC
20/ 45% MWHC
25/ 75% FC
20/ 40% MWHC
20/ 40% MWHC
DT
50
(d)
20
C
pF2
16.0
159.6
6.6
93.3
15.2
4.2
12.0
160.5
7.2
19.5
72.2
3.76
3.70
40.6
43.06
$
Fit
χ2 error (%)
4.6
3.52
6.92
6.17
3.79
3.5
4.1
2.9
3.84
5.72
4.97
7.67
3.80
6.95
3.91
$
Method of
calculation
DT
90
FOMC/ 3.32
DFOP slow phase
DT
90
FOMC/ 3.32
DT
90
FOMC/ 3.32
DT
90
FOMC/ 3.32
DT
90
FOMC/ 3.32
DT
90
FOMC/ 3.32
DFOP slow phase
DT
90
FOMC/ 3.32
DT
90
FOMC/ 3.32
DFOP slow phase
DT
90
FOMC/ 3.32
DT
90
FOMC/ 3.32
SFO
DT
90
FOMC/ 3.32
Endpoint for
modelling of PEC
GW
and PEC
SW
/ PEC
Sed
18-Acres, clay loam 5.7
Speyer 2.3, Lomay
Sand
Speyer 2.1, sand
Speyer 2.2, loamy
sand
Speyer 2.3, loamy
sand
Dupo, silt loam
Speyer 2.2, loamy
sand
Speyer 2.1, sand
6.9
6.5
[a]
6.2
[a]
6.9
[a]
7.3
[b]
6.0
6.9
[b]
Geometric mean (n = 15)
pH dependency
[a]
[b]
$
20.51
No
-
converted from given pH in CaCl
2
or KCl
buffer solution unknown
labelled in the phosphonomethyl-glycine anion of glyphosate-trimesium
EFSA Journal 2015;13(11):4302
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Metabolite AMPA
Aerobic conditions
Persistence endpoints at 20 and 25°C
Soil type
pH
(H
2
O)
7.1
6.7
T (
o
C) /
% soil
moisture
20/ pF2.5
25/ 75% of
1/3 bar
20/ 40%
MWHC
20/ pF2.5
20/ pF2.5
20/ 40%
MWHC
20/ 45%
MWHC
25/ 75% FC
20/ 40%
MWHC
DT
50
(d)
120.07
99.1
300.71
38.98
126.57
77.50
41.87
48.32
230.7
300.71
DT
90
(d)
398.9
329
998.9
129.5
420.5
257.43
139.10
160.5
766
998.9
Fit
Method of
χ2 error (%) calculation
9.2
6.98
16.06
3.3
6.2
10.18
16.23
7.57
4.29
DFOP (par) –
SFO (met)
FOMC (par) –
SFO (met)
DFOP (par) –
SFO (met)
DFOP (par) –
SFO (met)
FOMC (par) –
SFO (met)
DFOP (par) –
SFO (met)
DFOP (par) –
SFO (met)
FOMC (par) –
SFO (met)
FOMC (par) –
SFO (met)
SFO
Gartenacker, loam
Soil B, sandy loam
Les Evouettes, Silt Loam 6.1
[b]
Drusenheim, loam
7.4
Pappelacker, loamy sand 7.0
Speyer 2.3, loamy sand
Speyer 2.3, loamy sand
Dupo, silt loam
Speyer 2.1, sand
Maximum (n = 9)
[a]
[b]
6.9
6.9
[a]
7.3
[b]
6.9
[b]
converted from given pH in CaCl
2
or KCl
buffer solution unknown
Aerobic conditions
Metabolite AMPA
Modelling endpoints
Soil type
pH
(H
2
O)
7.1
6.7
6.1
[b]
7.4
T (
o
C) /
% soil
moisture
20/ pF2.5
25/ 75% of
1/3 bar
20/ 40%
MWHC
20/ pF2.5
f. f.
(k
par
k
met
)
0.1817
0.2646
0.3618
0.2578
DT
50
(d)
Fit
Method of
20
C
χ2 error (%) calculation
pF2/10kPa
119.9
106.2
300.9
36.8
8.9
6.98
14.00
2.1
FOMC (par) – SFO
(met)
FOMC (par) – SFO
(met)
FOMC (par) – SFO
(met)
FOMC (par) – SFO
(met)
Gartenacker, loam
Soil B, sandy loam
Les Evouettes, Silt
Loam
Drusenheim, loam
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Metabolite AMPA
Modelling endpoints
Soil type
pH
(H
2
O)
7.0
5.7
6.9
6.5
[a]
6.2
[a]
6.9
[a]
7.3
[b]
6.9
[b]
T (
o
C) /
% soil
moisture
20/ pF2.5
20/ pF2.5
20/ 40%
MWHC
20/ 45%
MWHC
20/ 45%
MWHC
20/ 45%
MWHC
25/ 75% FC
20/ 40%
MWHC
f. f.
(k
par
k
met
)
0.1835
0.2169
1)
0.3435
0.520
1)
0.6076
1)
0.4283
0.3637
0.5851
-
-
0.3595
DT
50
(d)
Fit
Method of
20
C
χ2 error (%) calculation
pF2/10kPa
116.3
-
1)
70.92
-
1)
-
1)
42.14
30.5
230.7
88.84
No
6.2
-
1)
11.41
-
1)
-
1)
16.48
7.57
4.29
FOMC (par) – SFO
(met)
FOMC (par) – SFO
(met)
FOMC (par) – SFO
(met)
DFOP (par) – SFO
(met)
FOMC (par) – SFO
(met)
FOMC (par) – SFO
(met)
FOMC (par) – SFO
(met)
FOMC (par) – SFO
(met)
Aerobic conditions
Pappelacker, loamy
sand
18-Acres, clay loam
Speyer 2.3, loamy sand
Speyer 2.1, sand
Speyer 2.2, loamy sand
Speyer 2.3, loamy sand
Dupo, silt loam
Speyer 2.1, sand
Geometric mean (n = 9)
pH dependency
Arithmetic mean (n = 12)
[a]
[b]
1)
converted from given pH in CaCl
2
or KCl
buffer solution unknown
Acceptable visual fit for formation phase of AMPA, however no statistically acceptable fit for AMPA
could be obtained in this pathway
Field studies
Persistence endpoints
Parent
glyphosate
Soil type
Location
Applica-
Depth
tion rate
pH
(cm)
(kg a.s/ha)
7.1 0-30
Aerobic conditions
DT
50
(d) DT
90
(d) Kinetic
actual
actual
parameters
k1 0.1437
k2 0.0033
g 0.854
k1 0.1786
k2 0.0041
g 0.771
k1 0.019
k2 2.3E-14
g 0.927
k1 0.0384
k2 0.0037
g 0.575
Fit
χ2
error
(%)
4.96
Method of
calculation
Sandy clay
Diegten
3.53
Switzerland
Menslage
Germany
Buchen
Germany
3.67
6.1
116.1
DFOP
Sandy loam
4.7 0-30
5.7
200.8
9.4
DFOP
Loamy sand
5.20*
6.4 0-30
40.9
187.3
6.6
DFOP
Sandy loam
Kleinzecher
5.7*
Germany
7.0 0-30
38.3
386.6
11.7
DFOP
EFSA Journal 2015;13(11):4302
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Field studies
Persistence endpoints
Parent
glyphosate
Soil type
Location
Applica-
Depth
tion rate
pH
(cm)
(kg a.s/ha)
4.8*
5.0*
4.6*
6.7 0-30
8.5 0-30
8.0 0-30
Aerobic conditions
DT
50
(d) DT
90
(d) Kinetic
actual
actual
parameters
k1 0.0280
k2 8.9E-4
g 0.922
k 0.0344
k 0.0206
Fit
χ2
error
(%)
8.4
3.8
10.6
Method of
calculation
Loam
Silt loam
Clay loam
Unzhurst,
Germany
Rohrbach
Germany
Herrngiers-
dorf
Germany
Wang-
Inzkofen
Germany
27.7
20.1
33.7
122.3
66.9
111.9
DFOP
SFO
Top down
SFO
Silt loam
4.8*
7.2 0-30
17.8
165.5
alpha 0.975
8.7
beta 17.207
FOMC
Worst case kinetics for PEC
Soil
and as trigger for higher
38.3
tier studies (n = 8)
Maximum with regard to P-criterion (n = 8)
116.4
386.6
386.6
Geomean with regard to P-criterion (n = 8)
45.2
149.96
* Glyphosat-trimesium as test substance
** according to EFSA DG SANCO working document on evidence needed to identify POP, PBT and vPvB
properties for pesticides from 25.09.2012- rev.3
Metabolite
AMPA
Soil type
Sandy loam
Loam
Silt loam
Clay loam
Aerobic conditions
Location
Kleinzecher
, Germany
Unzhurst,
Germany
Rohrbach,
Germany
Herrngiers-
dorf,
Germany
Wang-
Inzkofen,
Germany
pH
7.0
6.7
8.5
8.0
Depth
(cm)
0-30
0-30
0-30
0-30
DT
50
(d)
actual
514.9
633.1
374.9
288.4
DT
90
(d)
actual
>1000
>1000
>1000
958.1
formation
fraction
(ff)
0.508
0.332
n.d.
n.d.
Fit
χ2 error
(%).
15.9
13.3
8.6
10.9
k1 0.0384
DFOP
k2 0.0037
Kleinzecher,
g 0.575
Germany
maximum overall DT
90
(DFOP)/3.32**
trial Kleinzecher
based on overall DT90/3.32**
Method of
calculation
DFOP-SFO
DFOP-SFO
SFO
Top down
SFO
Top down
FOMC-SFO
Silt loam
Maximum (n = 5)
7.2
0-30
283.6
633.1
942.3
>1000
0.547
15.6
SFO
Unzhorst, Germany
0.462
Arithmetic mean (n = 3)
Soil accumulation and plateau concentration
no experimental data
calculation of plateau concentration see PEC
Soil
EFSA Journal 2015;13(11):4302
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Soil adsorption/desorption (Annex IIA, point 7.1.2)
Parent glyphosate
Soil Type
Drummer, silty clay loam
Dupo, silt loam
Spinks, loamy sand
Greenan sand, sand
Auchincruive, sand loam
Headley Hall, sandy clay loam
Californian sandy soil, loamy sand
Les Evouettes II, silt loam
Darnconner sediment, loam
(Sediment)
Lilly Field, sand
Visalia, sandy loam
Wisborough Green, silty clay loam
Champaign, silty clay loam
18 Acres, sandy loam
Speyer 2.1, sand
Speyer 2.2, loamy sand
Speyer 2.3, loamy sand
Soil 2.1, sand
Soil 2.3, loamy sand
Soil F3, sandy loam
Arithmetic mean (n = 20)
pH dependency
OC %
1.45
0.87
1.10
0.80
1.60
1.40
0.60
1.40
3.00
0.29
0.58
2.26
2.15
1.80
0.62
2.32
1.22
0.70
1.34
1.20
Soil pH
(H
2
O)
6.5
7.4
5.2
5.7
7.1
7.8
8.3
6.1
7.1
5.7
8.4
5.7
6.2
7.4
6.5
6.2
6.9
5.9
6.3
7.3
66.4
76.5
54.4
9486
5709
4533
263
811
50
5
48
510
32838
50660
3598
884
3404
17010
K
d
(mL/g)
K
oc
(mL/g)
K
f
(mL/g)
324.0
33.0
660.0
-
-
-
-
-
-
64.0
9.4
470.0
700.0
90.0
29.5
71.7
37.7
-
-
-
K
foc
/K
doc
1/n
(mL/g)
22300
3800
60000
32838
50660
3598
884
3404
17010
22000
1600
21000
33000
5000
4762
3091
3092
9486
5709
4533
15388
No
0.92
0.80
1.16
1.00
1.00
1.00
1.00
1.00
1.00
0.75
0.72
0.93
0.94
0.76
0.84
0.84
0.84
1.00
1.00
1.00
0.93
-
Metabolite AMPA
Soil Type
SLI Soil #1, c
lay loam
SLI Soil #2, s
and
OC %
2.09
18.68
1)
1.33
0.93
1.57
0.29
0.29
Soil pH
(H
2
O)
7.7
4.7
1)
7.4
7.6
6.3
4.6
5.7
K
d
(mL/g)
K
oc
K
f
77.1
K
foc
(mL/g)
3640
1/n
0.79
0.9
1)
0.75
0.79
0.77
0.79
0.86
61
(mL/g) (mL/g)
1570.0
1)
8310
1)
15.7
53.9
110.0
73.0
133.0
1160
5650
6920
24800
45900
SLI Soil #4, sand
SLI Soil #5, c
lay loam
SLI Soil #9, l
oamy sand
SLI Soil #11, s
and
Lilly Field, s
and
EFSA Journal 2015;13(11):4302
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Visalia, s
andy loam
Wisborough Green, s
ilty clay loam
Champaign, s
ilty clay loam
0.58
2.26
2.15
1.80
1.59
1.24
2.25
0.90
2.30
2.60
8.4
5.7
6.2
7.4
6.1
6.1
8.3
5.8
6.2
7.6
10.0
509.0
237.0
74.2
137.4
87.9
33.9
16.7
189.7
29.1
1720
22500
11100
4130
8642
7089
1507
1861
8248
1119
9749
No
0.78
0.91
0.86
0.84
0.98
0.92
0.91
0.6650
0.5506
0.67109
0.81
-
18 Acres, sandy loam
Schwalbach, silt loam
Hofheim, silt loam
Bergen-Enkheim, silty clay
Soil 2.1, sand
Soil 2.2, l
oamy sand
Soil 3A, s
andy silty loam
Arithmetic mean (n = 16)
pH dependency
1)
Not included for calculation of statistics (mean values, correlations) due to high OC - content
Mobility in soil (Annex IIA, point 7.1.3, Annex IIIA, point 9.1.2)
Column leaching
1
st
study (glyphosate):
7 soils, Eluation : 508 mm water
Leachate: 0.03 - 6.56% of applied radioactivity in
leachate
2
nd
study (glyphosate):
3 soils, Eluation: 200 mm water
Leachate: 0.12 - 1.45% of applied radioactivity in
leachate
3
rd
study (glyphosate):
3 soils
Leachate: <1 µg/L - 2.6 µg/L
glyphosate derivatives
4
th
study (glyphosate trimesium):
3 soils, Eluation: 200 mm water
Leachate: <2% of applied glyphosate-trimesium
Aged residues leaching
1
st
study (glyphosate):
1 sand soil
Aged for (d): 8 days
Eluation (mm): 380mm over 48 h
14
C distribution after 8 days: Glyphosate: 48.6% of
applied radioactivity, AMPA: 21.45% of applied
radioactivity, non-extractable: 1.65% of applied
radioactivity, CO
2
: 2.35% of applied radioactivity
2
nd
study (glyphosate-trimesium):
1 sand soil
Aged for (d): 30 d
Eluation (mm): 200 mm water over 48 h
14
C distribution after 30 days: Glyphosate-
14
C: 52 %
extractable (AMPA 26 %), 12 % unextractable, 33 %
CO
2
; TMS-
14
C: 10 % extractable, 21 % unextractable, 57
% CO
2
0.1% / 0.5% (Glyphosate /TMS) of applied radioactivity
in leachate
EFSA Journal 2015;13(11):4302
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Lysimeter/ field leaching studies
No lysimeter or field leaching studies submitted
PEC (soil) (Annex IIIA, point 9.1.3)
Parent
Method of calculation
ESCAPE 2.0: input parameters
k1 0.0384 (DT
50 fast
(d): 18.05 days)
k2 0.0037 (DT
50 slow
(d): 187.34 days )
g 0.575
Kinetics: DFOP (best fit, trial Kleinzecher/ Germany)
Field: worst case kinetics (best fit) from field studies
(not normalized)
Application data
Crop: all crops
Depth of soil layer: 5 cm for PEC
initial
20 cm for PEC
plateau
concentration for annual crops
5 cm for PEC
plateau
concentration for permanent crops
Soil bulk density: 1.5 g/cm
3
% plant interception: 0
Number of applications: 1
Application rate: 4320 g as/ha (maximum application
rate per ha/year for all crops as worst case approach))
PEC
(s)
(mg/kg)
Single
application
Actual
5.7600
5.6262
5.4971
5.2524
4.9167
3.3372
2.5201
1.7621
Single
application
Time weighted
average
Multiple
application
Actual
-
Multiple
application
Time weighted
average
Initial
Short term 24 h
2d
4d
Long term 7 d
28 d
50 d
100 d
Plateau concentration
5.6931
5.6274
5.5005
5.3211
4.3549
3.7072
2.8902
-
-
-
-
-
-
-
-
-
-
-
-
-
-
annual
crops
(tillage
depth
20
cm):
0.2140 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration) =
5.974 mg/kg
permanent crops (tillage depth 5 cm):
0.8562 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration.) =
6.6162 mg/kg
EFSA Journal 2015;13(11):4302
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Application data
Crop: all crops
Depth of soil layer: 5 cm for PEC
initial
20 cm for PEC
plateau
concentration for annual crops
5 cm for PEC
plateau
concentration for permanent crops
Soil bulk density: 1.5 g/cm
3
% plant interception: 0
Number of applications: 1
Application rate: 2 x 2160 g as/ha , interval 21 days
PEC
(s)
(mg/kg)
Single
application
Actual
4.7514
4.6524
4.5568
4.3755
4.1263
2.9408
2.3084
1.6779
Single
application
Time weighted
average
Multiple
application
Actual
-
Multiple
application
Time weighted
average
Initial
Short term 24 h
2d
4d
Long term 7 d
28 d
50 d
100 d
Plateau concentration
4.7019
4.6533
4.5593
4.4263
3.7186
3.2353
2.7075
-
-
-
-
-
-
-
-
-
-
-
-
-
-
annual
crops
(tillage
depth
20
cm):
0.2058 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration) =
4.957 mg/kg
permanent crops (tillage depth 5 cm):
0.8232mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration.) =
5.5746 mg/kg
Application data
Crop: all crops
Depth of soil layer: 5 cm for PEC initial
20 cm for PEC
plateau
concentration for annual crops
5 cm for PEC
plateau
concentration for permanent crops
Soil bulk density: 1.5 g/cm
3
% plant interception: 0
Number of applications: 1
Application rate: 1 x 1080 g as/ha
PEC
(s)
(mg/kg)
Single
application
Actual
1.440
1.4065
1.3742
Single
application
Time weighted
average
Multiple
application
Actual
-
Multiple
application
Time weighted
average
Initial
Short term 24 h
2d
1.4233
1.4068
-
-
-
-
64
EFSA Journal 2015;13(11):4302
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PEC
(s)
(mg/kg)
Single
application
Actual
4d
1.3131
1.2291
0.8340
0.6297
0.4402
Single
application
Time weighted
average
1.3751
1.3302
1.0886
0.9266
0.7223
Multiple
application
Actual
-
-
-
-
-
Multiple
application
Time weighted
average
-
-
-
-
-
Long term 7 d
28 d
50 d
100 d
Plateau concentration
annual
crops
(tillage
depth
20
cm):
0.0535 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration) =
1.4935 mg/kg
permanent crops (tillage depth 5 cm):
0.2138 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration.) =
1.6538 mg/kg
Crop: cereals
Depth of soil layer: 5 cm for PEC
initial
20 cm for PEC
plateau
concentration for annual crops
Soil bulk density: 1.5 g/cm
3
% plant interception: 90
Number of applications: 1
Application rate: 1 x 2160 g as/ha , pre-harvest
Application data
PEC
(s)
(mg/kg)
Single
application
Actual
0.2880
0.2813
0.2748
0.2626
0.2458
0.1668
0.1259
0.0880
Single
application
Time weighted
average
Multiple
application
Actual
-
Multiple
application
Time weighted
average
Initial
Short term 24 h
2d
4d
Long term 7 d
28 d
50 d
100 d
Plateau concentration
0.2847
0.2814
0.2750
0.2660
0.2177
0.1853
0.1445
-
-
-
-
-
-
-
-
-
-
-
-
-
-
annual
crops
(tillage
depth
20
cm):
0.0107 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration) =
0.2987 mg/kg
EFSA Journal 2015;13(11):4302
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Application data
Crop: oil seed rape
Depth of soil layer: 5 cm for PEC
initial
20 cm for PEC
plateau
concentration for annual crops
Soil bulk density: 1.5 g/cm
3
% plant interception: 80
Number of applications: 1
Application rate: 1 x 2160 g as/ha , pre-harvest
PEC
(s)
(mg/kg)
Single
application
Actual
0.576
0.5626
0.5497
0.5252
0.4916
0.3336
0.2519
0.1761
Single
application
Time weighted
average
Multiple
application
Actual
-
Multiple
application
Time weighted
average
Initial
Short term 24 h
2d
4d
Long term 7 d
28 d
50 d
100 d
Plateau concentration
0.5693
0.5627
0.5500
0.5321
0.4354
0.3706
0.2889
-
-
-
-
-
-
-
-
-
-
-
-
-
-
annual
crops
(tillage
depth
20
cm):
0.0214 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration) =
0.5974 mg/kg
Application data
Crop: orchard crop, vines, citrus & tree nuts
Depth of soil layer: 5 cm for PEC
initial
5 cm for PEC
plateau
concentration for permanent crops
Soil bulk density: 1.5 g/cm
3
% plant interception: 0
Number of applications: 3
Application rate: 3 x 2880 g as/ha , interval 28 days
Soil relevant application rate*: 3 x 960 g as/ha
*Because applications are made to the intra-rows (inner
strips between the trees within a row) application rates
per ha are expressed per ‘unit of treated surface area’ the
actual application rate per ha orchard or vineyard will
roughly only be 33 %
PEC
(s)
(mg/kg)
Single
application
Actual
2.5490
2.5031
Single
application
Time weighted
average
Multiple
application
Actual
-
Multiple
application
Time weighted
average
Initial
Short term 24 h
2.5260
-
-
66
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PEC
(s)
(mg/kg)
Single
application
Actual
2d
4d
2.4587
2.3744
2.2582
1.6966
1.3837
1.0422
Single
application
Time weighted
average
2.5035
2.4599
2.3980
2.0670
1.8440
1.6473
Multiple
application
Actual
-
-
-
-
-
-
Multiple
application
Time weighted
average
-
-
-
-
-
-
Long term 7 d
28 d
50 d
100 d
Plateau concentration
permanent crops (tillage depth 5 cm):
0.5159 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration) =
3.0648 mg/kg
Crop: orchard crop, vines, citrus & tree nuts
Depth of soil layer: 5 cm for PEC
initial
5 cm for PEC
plateau
concentration for permanent crops
Soil bulk density: 1.5 g/cm
3
% plant interception: 0
Number of applications: 3
Application rate: 3 x 2880 g as/ha , interval 28 days
Soil relevant application rate*: 3 x 1440 g as/ha
*Because applications are made round base of trunk and
to the intra-rows (inner strips between the trees within a
row) application rates per ha are expressed per ‘unit of
treated surface area’ the actual application rate per ha
orchard or vineyard will roughly only be 33 % - 50 %)
Application data
PEC
(s)
(mg/kg)
Single
application
Actual
3.8235
3.7546
3.6881
3.5617
3.3873
2.5449
2.0755
1.5633
Single
application
Time weighted
average
Multiple
application
Actual
-
Multiple
application
Time weighted
average
Initial
Short term 24 h
2d
4d
Long term 7 d
28 d
50 d
100 d
3.7890
3.7552
3.6898
3.5970
3.1005
2.7661
2.4709
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Plateau concentration
permanent crops (tillage depth 5 cm):
0.7738 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration) =
4.5973 mg/kg
EFSA Journal 2015;13(11):4302
67
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Peer review of the pesticide risk assessment of the active substance glyphosate
Metabolite AMPA
Method of calculation
Molecular weight relative to the parent: 0.657
DT
50
(d): 633 days (k 0.0013)
Kinetics: SFO (best fit, trial Unzhorst/ Germany)
Field: Maximum value from field studies (not
normalized)
Application data
Application rate assumed: 1527 g as/ha (assumed AMPA
is formed at a maximum of 53.8 % of the applied dose
Single
application
Actual
2.0360
2.0338
2.0315
2.0271
2.0205
1.9745
1.9275
1.8248
2.0349
2.0338
2.0315
2.0282
2.0051
1.9813
1.9285
Single
application
Time weighted
average
Multiple
application
Actual
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Multiple
application
Time weighted
average
PEC
(s)
(mg/kg)
Initial
Short term 24 h
2d
4d
Long term 7 d
28 d
50 d
100 d
Plateau concentration
annual crops (tillage depth 20 cm):
1.0359 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration) =
3.0719 mg/kg
permanent crops (tillage depth 5 cm):
4.1437 mg/kg after 10 years
PEC
accu
(PEC
initial
+ plateau concentration) =
6.1797 mg/kg
Route and rate of degradation in water (Annex IIA, point 7.2.1)
Hydrolytic degradation of the active substance and
metabolites > 10 %
Glyphosate:
pH 5: stable (25°C)
pH 7: stable (25°C)
pH 9: stable (25°C)
Glyphosate trimesium:
pH 5: stable (25°C and 40°C)
pH 7: stable (25°C and 40°C)
pH 9: stable (25°C and 40°C)
AMPA:
no data
Photolytic degradation of active substance and
metabolites above 10 %
Glyphosate:
DT
50
(experimental): 33 d (at pH 5), 69 d (at pH 7), 77 d
(at pH 9)
Metabolite AMPA: 16% max (at pH5), 11.6% max. (at
pH 7), 6.5% max. (at pH 9)
Glyphosate trimesium:
DT
50
(37°N): 81 d (at pH 7), TMS cation: stable
Quantum yield of direct phototransformation in
water at
> 290 nm
EFSA Journal 2015;13(11):4302
Not determined
68
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Peer review of the pesticide risk assessment of the active substance glyphosate
Readily biodegradable
(yes/no)
No
OECD 301F : < 60 % after 28 days)
OECD 302B : 0 - 2 % after 28 days
Degradation in water / sediment
Parent
Glyphosate
Distribution: max. 61.4 % in sediment after 14 days
Persistence
at Level P-I
Study
System
Model
Glyphosate (total system)
Bowler
&
Johnson (1999)
Cache
Putah
Loamy
Sediment
Sandy
Sediment
Creek
Pond
TNO
Muttzall (1993)
Kromme Rijn
Minimum
Maximum
Geometric mean (n = 7/6
8)
)
Glyphosate (water phase)
Bowler
&
Johnson (1999)
Cache
Putah
Loamy
Sediment
Sandy
Sediment
Creek
Pond
TNO
Muttzall (1993)
Kromme Rijn
Minimum
Maximum
Geometric mean (n = 6)
EFSA Journal 2015;13(11):4302
HS
FOMC
FOMC
DFOP
SFO
HS
-
3)
-
3)
4.98
8.25
1.06
2.03
13.15
1.00
-
3)
-
3)
-
-
-
26.84
72.40
24.11
22.63
43.67
26.89
-
3)
-
3)
-
-
-
8.08
5)
21.81
5)
7.26
5)
6.82
5)
13.15
8.10
5)
-
3)
-
3)
6.82
21.81
9.88
SFO
FOMC
FOMC
DFOP
SFO
HS
-
3)
-
3)
6.94
21.81
1)
7.26
1)
6.82
1)
13.15
8.10
1)
-
3)
-
3)
6.82
21.81
9.63
DFOP
28.86
-
-
-
232.92
-
-
-
FOMC
DFOP
FOMC
HS
SFO
HS
FOMC
8.47
210.66
70.48
16.03
16.78
67.45
93.06
45.89
976.54
346.81
55.74
281.39
> 1000
13.82
5)
294.14
5)
-
6)
104.46
5)
16.78
84.76
5)
>301.20
5
)
endpoints
DT
904)
(days)
SFO
DT
504)
(days)
Modelling
at Level P-I
Model
endpoints
SFO DT
504)
(days)
DT
504)
(days)
FOMC
DFOP
-
3)
HS
SFO
HS
-
3)
DFOP
13.82
1)
329.85
2)
-
3)
154.19
2)
16.78
92.42
2)
-
3)
88.67
2)
13.82
329.85
67.74
Möllerfeld
&
Römbke (1993)
Heintze
(1996)
70.16
5)
13.82
301.20
74.52
Möllerfeld
&
Römbke (1993)
Heintze
(1996)
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Peer review of the pesticide risk assessment of the active substance glyphosate
Glyphosate (sediment phase):
Bowler
&
Johnson (1999)
Cache
Putah
Loamy
Sediment
Sandy
Sediment
Creek
Pond
TNO
Muttzall (1993)
Kromme Rijn
Minimum
Maximum
Geometric mean (n = 2)
2)
Calculated from slower k-rate
3)
no reliable fit achieved
4)
DT50 = degradation DT50 for total system, Dissipation DT50 for water and sediment phase
5)
Back-calculated SFO to derive endpoints for P criteria (SFO DT50 = DT90/3.32)
6)
Back-calculation of SFO DT50 not possible
7)
Not calculated, since a sufficient number of DT50 values were not available
8)
Number of values for deriving persistence endpoint (SFO DT50) and the modelling endpoint
SFO
-
3)
-
3)
FOMC
-
3)
-
3)
-
3)
SFO
34.05
-
3)
-
3)
383.86
-
3)
-
3)
-
3)
75.61
-
-
-
113.10
-
3)
-
3)
-
3)
-
3)
-
3)
251.16
-
-
-
34.05
-
3)
-
3)
-
6)
-
3)
-
3)
-
3)
75.61
34.05
75.61
-
7)
SFO
-
3)
-
3)
-
3)
-
3)
-
3)
-
3)
SFO
34.05
-
3)
-
3)
-
3)
-
3)
-
3)
-
3)
75.61
34.05
75.61
-
7)
Möllerfeld
&
Römbke (1993)
Heintze
(1996)
1)
Back-calculated from DT90 of bi-phasic model (DT90/3.32)
Metabolite AMPA
Distribution: max. 15.7 % AR in water after 14 d, max. 18.7 % AR in sediment after
58 d
Persistence
at Level P-I
endpoints
DT
904)
(days)
SFO
DT
504)
(days)
Modelling endpoints
at Level P-I
Model
SFO
DT
504)
(days)
Study
System
Model
DT
504)
(days)
AMPA (total system)
Feser-Zügner
(2002)
Knoch
(2003)
Knoch
Spirlet
(1999)
McEwen
(2004b)
Minimum
Maximum
Geometric mean (n = 5/4
7)
)
AMPA (water phase)
EFSA Journal 2015;13(11):4302
70
&
Rückhaltebecken
Schäphysen
Bickenbach
Unter-Widdersheim
Bickenbach
Unter-Widdersheim
A
B
FOMC
-
3)
HS
HS
HS
FOMC
-
3)
-
6)
13.80
-
3)
10.54
77.36
44.53
20.13
-
3)
-
6)
-
-
-
1513.00
-
3)
191.25
307.19
205.21
885.03
-
3)
-
6)
-
-
-
455.72
5)
-
3)
57.61
5)
92.53
5)
61.81
5)
266.58
5)
-
3)
-
6)
57.61
455.72
131.97
DFOP
-
3)
HS
HS
HS
-
3)
-
3)
-
6)
102.87
2)
-
3)
77.83
2)
98.98
2)
69.31
2)
-
3)
-
3)
-
6)
69.31
102.87
86.09
MOF, Alm.del - 2015-16 - Bilag 108: EFSAs konklusion vedr. glyphosat m.v., fra miljø- og fødevareministeren
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Peer review of the pesticide risk assessment of the active substance glyphosate
Feser-Zügner
(2002)
Knoch
(2003)
Knoch
Spirlet
(1999)
McEwen
(2004b)
Minimum
Maximum
Geometric mean (n = 8)
AMPA (sediment phase)
Feser-Zügner
(2002)
Knoch
(2003)
Knoch
Spirlet
(1999)
McEwen
(2004b)
&
Rückhaltebecken
Schäphysen
Bickenbach
Unter-Widdersheim
Bickenbach
Unter-Widdersheim
A
B
-
3)
-
3)
-
8)
-
8)
-
3)
-
3)
-
3)
-
6)
-
3)
-
3)
-
8)
-
8)
-
3)
-
3)
-
3)
-
6)
-
3)
-
3)
-
8)
-
8)
-
3)
-
3)
-
3)
-
6)
-
3)
-
3)
-
8)
-
8)
-
3)
-
3)
-
3)
-
6)
-
3)
-
3)
-
8)
-
8)
-
3)
-
3)
-
3)
-
6)
-
3)
-
3)
-
8)
-
8)
-
3)
-
3)
-
3)
-
6)
&
Rückhaltebecken
Schäphysen
Bickenbach
Unter-Widdersheim
Bickenbach
Unter-Widdersheim
A
B
FOMC
FOMC
DFOP
FOMC
DFOP
HS
FOMC
DFOP
2.20
1.00
2.54
2.13
6.59
2.02
0.69
1.28
-
-
-
22.50
7.80
47.57
26.31
51.47
17.15
8.87
6.87
-
-
-
6.78
5)
2.35
5)
14.33
5)
7.92
5)
15.50
5)
5.17
5)
2.67
5)
2.07
5)
2.07
15.50
5.47
FOMC
FOMC
DFOP
FOMC
DFOP
HS
FOMC
DFOP
6.78
1)
2.35
1)
14.33
1)
7.92
1)
15.50
1)
5.17
1)
2.67
1)
2.07
1)
2.07
15.50
5.47
1)
Back-calculated from DT90 of bi-phasic model (DT90/3.32)
2)
Calculated from slower k-rate
3)
no reliable fit achieved
4)
DT50 = DegT50 for total system but DT50 for water and sediment phase
5)
Back-calculated SFO to derive endpoints for P criteria (SFO DT50 = DT90/3.32)
6)
excluded from kinetic evaluation due to analytical problems
7)
Number of values for deriving persistence endpoint (SFO DT50) and the modelling endpoint
8)
excluded from kinetic evaluation due to different amounts of AMPA in the sediment reported in the study
Metabolite
HMPA
Distribution: 10.0 % & 7.5 % max. in water after 61 & 100 d (consecutive data points)
Mineralisation and non extractable residues
Water / sediment
system
Cache
Putah
Bickenbach
Unter Widdersheim
Creek
Pond
pH
water
phase
8.2
8,4
8.6
8.6
-
-
8.1
7,5
7.8
7.7
6.64
7.85
pH
sed.
Mineralisation
x % after n d
(end of the study)
47.9 (100 d)
5.9 (100 d)
23.5 (100 d)
17.8 (100 d)
14.77 (120 d)
30.08 (120 d)
Non-extractable
Non-extractable residues
residues in sed. max in sed. max x % after n d
x % after n d
(end of the study)
13.5 (100 d)
20.3 (58 d)
22.0 (100 d)
13.6 (100 d)
17.15 (120 d)
49 (120 d)
13.5 (100 d)
16.7 (100 d)
22.0 (100 d)
13.6 (100 d)
17.15 (120 d)
.49 (120 d)
71
EFSA Journal 2015;13(11):4302
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Peer review of the pesticide risk assessment of the active substance glyphosate
TNO
Kromme Rijn
7,6
7,2
--
--
5.8 (91 d)
25.7% (91 d)
35.1 (91 d)
30.5 (91 d)
35.1 (91 d)
30.5 (91 d)
PEC surface water and PEC sediment (Annex IIIA, point 9.2.3)
Parent
Parameters used in FOCUS
sw
step 1 and 2
Version control no. of FOCUS calculator: Step1-2
(version 2.1)
Molecular weight (g/mol): 169.07
Water solubility (mg/L): 10500 (pH2, 20 °C)
K
oc
(L/kg): 15844
DT
50
soil (d): 20.51days (Laboratory, geometric mean,
SFO at 20°C and pF 2)
DT
50
water/sediment system (d): 67.74 d (SFO,
geometric mean at 20°C)
DT
50
water (d): 67.74 d (DT
50
value of total system)
DT
50
sediment (d): 67.74 d (DT
50
value of total system)
Parameters used in FOCUS
sw
step 3
Version control no.’s of FOCUS software: SWASH
(version 3.1)
Vapour pressure: 1.31⋅ 10
-5
Pa (calculated at 25°C)
K
oc
(L/kg): 15844 (arithmetic mean)
1)
1/n: 0.91 (arithmetic mean)
1)
DT
50
soil (d): 20.51 (Laboratory, geometric mean, SFO
at 20°C and pF 2)
DT
50
water (d): 1000 d (default)
DT
50
sediment : 67.74 d (DT
50
value of total system,
geometric mean at 20°C)
DT
50
crop: 10 days (default)
1)
As an outcome of the discussions in the Pesticides Peer
Review Meeting 126 the arithmetic mean Kfoc and 1/n values
for glyphosate have been amended. The experts agreed that for
the EU approval no additional exposure calculations were
necessary, due to the limited effect on the mean endpoints. The
correct values to be used in future PEC simulations are
Kfoc:15388 and 1/n: 0.93
Application rate
Step 1:
1.
Crop: Not crop specific,
crops interception: no interception
number of applications: 1
Application rates: 4.32 kg a.s./ha
Interval (d): -
Crop: Field crops (= Spring & winter cereals, field
beans, maize, spring & winter oil-seed rape, sugar
beets, vegetables (bulb, fruiting, leafy), grass&
alfalfa & legumes)
Crop interception: no interception
Number of applications: 2
Application rates: 2.16 kg a.s./ha
Interval (d): 21
Crop: Appl. Hand (crop < 50 cm) for perennials
Crop interception: no interception
72
Step 2:
1.
2.
EFSA Journal 2015;13(11):4302
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Number of applications: 1
Application rates: 4.32 kg a.s./ha
Interval (d): -
Step 3:
1.
Crop: Various Field Crops (= winter cereals, winter
rape, spring cereals, potatos, spring oilseed, maize
legumes)
Crop interception: Calculated internally by
MACRO or PRZM (Step 3 & 4)
Number of applications: 1 & 2
Application rate: 2.16 kg a.s./ha
Interval (d): 21
Application windows: August - November
(1 application) and July - December (2 applications)
for autumn applications; February - May (1
application) and Jan - May (2 applications) for
spring applications - The actual dates are set by the
PAT within MACRO and PRZM (Step 3 & 4)
Crop: pome/ stone fruit with manually set drift rates for
application to soil and trunks
Crop interception: Calculated internally by MACRO or
PRZM (Step 3 & 4)
Number of applications:1 & 3
application rate:1 x 2.88 kg a.s./ha & 1 x 2.88 kg a.s./ha
+ 2 x 0.72 kg a.s./ha
Application window: February - April
(1 application) and February - May (3 applications)
Main routes of entry
Spray drift
1 x 4.32 kg a.s./ha, not crop-specific
FOCUS STEP 1
Scenario
Day after overall
maximum
0h
global max PEC
SW
(µg/L)
Actual
104.81
2 x 2.16 kg/ha to Field crops
FOCUS STEP 2
Scenario
Northern EU, Oct-Feb
Northern EU, Mar- May
Northern EU, Jun-Sep
Southern EU, Oct-Feb
Southern EU, Mar- May
Southern EU, Jun-Sep
Day after overall
maximum
0h
0h
0h
0h
0h
0h
global max PEC
SW
(µg/L)
Actual
23.38
18.49
18.49
19.14
19.14
18.49
global max PEC
Sed
(µg/kg)
Actual
3570
1560
1560
2900
2900
2230
global max PEC
Sed
(µg/kg)
Actual
10300
EFSA Journal 2015;13(11):4302
73
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Peer review of the pesticide risk assessment of the active substance glyphosate
FOCUS STEP 2
Scenario
Day after overall
maximum
1 x 4.32 kg a.s./ha to the trunks of pome/stone fruit (Appl. Hand
(crop < 50 cm))
global max PEC
SW
(µg/L)
Actual
global max PEC
Sed
(µg/kg)
Actual
4770
2070
2070
3870
3870
2970
2 x 2.16 kg/ha to winter cereals
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
14.170
10.293
12.765
11.182
11.777
0.582
10.054
0.591
10.849
12.184
0.592
7.687
10.841
7.694
117.576
10.531
85.108
73.995
12.344
9.389
3.582
9.878
5.128
67.199
13.831
47.807
1696.174
214.027
Northern EU, Oct-Feb
Northern EU, Mar- May
Northern EU, Jun-Sep
Southern EU, Oct-Feb
Southern EU, Mar- May
Southern EU, Jun-Sep
Water
body
ditch
stream
ditch
stream
ditch
pond
stream
pond
stream
ditch
pond
stream
stream
stream
Water
body
ditch
stream
ditch
pond
stream
pond
stream
0h
0h
0h
0h
0h
0h
39.73
39.73
39.73
39.73
39.73
39.73
1 x 2.16 kg/ha to winter cereals
global max
PEC
SW
(µg/L)
13.608
11.899
13.622
12.116
13.394
0.461
11.627
0.461
12.546
13.566
0.461
8.850
12.277
8.355
global max
PEC
Sed
(µg/kg)
71.425
7.722
57.576
51.082
6.991
5.694
2.557
6.024
4.798
45.680
7.989
25.962
815.228
468.878
FOCUS STEP 3
Scenario
D1
D1
D2
D2
D3
D4
D4
D5
D5
D6
R1
R1
R3
R4
Day after
overall
maximum
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
FOCUS STEP 3
Scenario
D1
D1
D3
D4
D4
D5
D5
Day after
overall
maximum
0h
0h
0h
0h
0h
0h
0h
1 x 2.16 kg/ha to spring cereals
global max
PEC
SW
(µg/L)
13.546
11.161
13.404
0.461
10.447
0.460
8.591
global max
PEC
Sed
(µg/kg)
28.478
0.975
7.557
5.319
0.434
5.224
0.107
2 x 2.16 kg/ha to spring cereals
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
11.857
9.650
11.751
0.531
9.033
0.541
8.977
31.442
1.039
12.097
8.505
0.535
8.360
0.316
74
EFSA Journal 2015;13(11):4302
MOF, Alm.del - 2015-16 - Bilag 108: EFSAs konklusion vedr. glyphosat m.v., fra miljø- og fødevareministeren
1569604_0075.png
Peer review of the pesticide risk assessment of the active substance glyphosate
Water
body
stream
Water
FOCUS STEP 3
Scenario
D2
D2
D3
D4
D4
D5
D5
R1
R1
R3
body
ditch
stream
ditch
pond
stream
pond
stream
pond
stream
stream
Water
FOCUS STEP 3
Scenario
D1
D1
D3
D4
D4
D5
D5
R1
R1
body
ditch
stream
ditch
pond
stream
pond
stream
pond
stream
Water
body
ditch
pond
stream
ditch
Day after
overall
maximum
0h
0h
0h
0h
0h
0h
0h
0h
0h
Day after
overall
maximum
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
Day after
overall
maximum
0h
1 x 2.16 kg/ha to spring cereals
global max
PEC
SW
(µg/L)
8.809
global max
PEC
Sed
(µg/kg)
63.360
2 x 2.16 kg/ha to spring cereals
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
7.686
105.090
FOCUS STEP 3
Scenario
R4
1 x 2.16 kg/ha to winter oil seed
rape
global max
PEC
SW
(µg/L)
13.622
12.116
13.538
0.461
11.627
0.461
12.546
0.462
8.887
12.490
global max
PEC
Sed
(µg/kg)
57.427
50.942
28.639
5.694
2.557
5.541
3.617
5.193
7.750
160.896
2 x 2.16 kg/ha to winter oil seed
rape
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
12.345
10.660
11.940
0.522
10.054
0.581
10.849
0.568
7.684
10.801
78.794
58.093
40.701
8.657
3.134
8.693
4.919
8.198
11.546
227.865
1 x 2.16 kg/ha to spring oilseed
rape
global max
PEC
SW
(µg/L)
13.546
11.161
13.427
0.461
10.447
0.460
8.591
0.463
8.616
global max
PEC
Sed
(µg/kg)
28.478
0.975
9.793
5.323
0.434
5.225
0.107
9.748
76.161
2 x 2.16 kg/ha to spring oilseed
rape
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
11.857
9.650
11.738
0.531
9.033
0.541
8.977
0.777
7.591
31.442
1.039
12.996
8.509
0.535
8.362
0.316
28.795
366.862
FOCUS STEP 3
Scenario
D3
D4
D4
D6, early app.
Day after
overall
maximum
0h
0h
0h
0h
1 x 2.16 kg/ha to potatoes
global max
PEC
SW
(µg/L)
11.115
0.446
9.298
11.205
global max
PEC
Sed
(µg/kg)
7.604
4.828
0.485
32.899
2 x 2.16 kg/ha to potatoes
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
9.649
0.526
8.001
9.518
10.454
7.871
0.615
4.286
75
EFSA Journal 2015;13(11):4302
MOF, Alm.del - 2015-16 - Bilag 108: EFSAs konklusion vedr. glyphosat m.v., fra miljø- og fødevareministeren
1569604_0076.png
Peer review of the pesticide risk assessment of the active substance glyphosate
Water
body
ditch
pond
stream
stream
stream
Water
body
ditch
pond
stream
pond
stream
ditch
pond
stream
stream
stream
stream
Water
body
ditch
pond
stream
pond
stream
ditch
pond
stream
stream
stream
stream
Day after
overall
maximum
0h
0h
0h
0h
0h
1 x 2.16 kg/ha to potatoes
global max
PEC
SW
(µg/L)
11.205
0.447
7.685
10.115
10.824
global max
PEC
Sed
(µg/kg)
32.899
6.964
35.792
46.144
26.095
2 x 2.16 kg/ha to potatoes
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
9.743
0.569
6.634
8.742
9.360
31.731
14.265
110.556
1730.618
54.887
FOCUS STEP 3
Scenario
D6, late app.
R1
R1
R2
R3
FOCUS STEP 3
Scenario
D3
D4
D4
D5
D5
D6
R1
R1
R2
R3
R4
Day after
overall
maximum
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
1 x 2.16 kg/ha to maize
global max
PEC
SW
(µg/L)
11.102
0.446
9.064
0.446
9.802
11.110
0.447
7.685
10.223
10.825
7.682
global max
PEC
Sed
(µg/kg)
7.605
5.156
0.376
5.022
0.423
8.379
6.931
35.102
24.159
244.954
60.609
2 x 2.16 kg/ha to maize
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
9.644
0.517
7.800
0.551
8.443
9.646
0.569
6.634
8.810
9.392
6.621
10.945
8.237
0.469
7.891
0.507
10.476
14.217
109.876
678.650
244.742
393.570
FOCUS STEP 3
Scenario
D3
D4
D4
D5
D5
D6
R1
R1
R2
R3
R4
Day after
overall
maximum
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
1 x 2.16 kg/ha to legumes
global max
PEC
SW
(µg/L)
11.103
0.446
9.064
0.446
7.453
11.110
0.446
7.710
10.198
10.828
7.678
global max
PEC
Sed
(µg/kg)
7.575
5.149
0.376
5.062
0.0929
8379
8.786
73.485
678.046
244.935
208.671
2 x 2.16 kg/ha to legumes
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
9.640
0.479
8.154
0.523
7.751
9.646
0.648
6.502
8.765
9.330
6.611
9.281
8.234
0.585
8.088
0.273
10.476
14.159
100.506
196.543
505.314
344.072
EFSA Journal 2015;13(11):4302
76
MOF, Alm.del - 2015-16 - Bilag 108: EFSAs konklusion vedr. glyphosat m.v., fra miljø- og fødevareministeren
1569604_0077.png
Peer review of the pesticide risk assessment of the active substance glyphosate
Water
FOCUS STEP 3
Scenario
D3
D4
D4
D5
D5
R1
R1
R2
R3
R4
body
ditch
pond
stream
pond
stream
pond
stream
stream
stream
stream
Day after
overall
maximum
0h
0h
0h
0h
0h
0h
0h
0h
0h
0h
2.88 kg/ha
to pome/stone fruit
global max
PEC
SW
(µg/L)
6.209
0.213
4.594
0.213
3.971
0.213
6.505
5.358
5.794
4.063
global max
PEC
Sed
(µg/kg)
4.161
2.500
0.137
2.459
0.0495
2.531
1.605
3.725
2.117
17.616
2.88 + 0.72 + 0.72 kg/ha
to pome/stone fruit
global max
global max
PEC
SW
(µg/L) PEC
Sed
(µg/kg)
4.537
0.238
3.748
0.245
3.811
0.252
2.978
3.937
4.203
2981
6.484
4.802
0.446
4.764
0.242
4.820
3.179
5.612
4.378
25.323
Metabolite AMPA
Parameters used in FOCUS
sw
step 1 and 2
Molecular weight (g/mol): 111
Water solubility (mg/L): 10500 (pH 2, 20°C) - water
solubility of parent
Max. occurrence in soil & water/sediment system:
Soil: max. 50.1 %
Water/sediment: max. 27.1 %
K
oc
(L/kg): 9749
DT
50
soil (d): 88.84 days ((Laboratory, geometric mean,
SFO at 20°C and pF 2)
DT
50
water/sediment system (d): 86.09 days (SFO,
geometric mean, n = 5)
DT
50
water (d): 86.09 days (DT
50
value of total system)
DT
50
sediment (d): 86.09 days (DT
50
value of total
system)
Parameters used in FOCUS
sw
step 3
not performed
EFSA Journal 2015;13(11):4302
77
MOF, Alm.del - 2015-16 - Bilag 108: EFSAs konklusion vedr. glyphosat m.v., fra miljø- og fødevareministeren
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Peer review of the pesticide risk assessment of the active substance glyphosate
Application rate
Step 1:
1.
Crop: Not crop specific,
crops interception: no interception
number of applications: 1
Application rates: 4.32 kg a.s./ha
Interval (d): -
Crop: Field crops (= Spring & winter cereals, field
beans, maize, spring & winter oil-seed rape, sugar
beets, vegetables (bulb, fruiting, leafy), grass&
alfalfa & legumes)
Crop interception: no interception
Number of applications: 2
Application rates: 2.16 kg a.s./ha
Interval (d): 21
Crop: Appl. Hand (crop > 50 cm) for perennials
Crop interception: no interception
Number of applications: 1
Application rates: 4.32 kg a.s./ha
Interval (d): -
Step 2:
1.
2.
Main routes of entry
Spray drift
1 x 4.32 kg a.s./ha, not crop-specific
FOCUS STEP 1
Scenario
Day after overall
maximum
0h
global max PEC
SW
(µg/L)
Actual
40.90
2 x 2.16 kg/ha to Field crops
global max PEC
Sed
(µg/kg)
Actual
3300
FOCUS STEP 2
Scenario
Northern EU, Oct-Feb
Northern EU, Mar- May
Northern EU, Jun-Sep
Southern EU, Oct-Feb
Southern EU, Mar- May
Southern EU, Jun-Sep
Day after overall
maximum
0h
0h
0h
0h
0h
0h
global max PEC
SW
(µg/L)
Actual
15.76
6.67
6.67
12.73
12.73
9.70
global max PEC
Sed
(µg/kg)
Actual
1520
628.4
628.4
1220
1220
924.0
FOCUS STEP 2
Scenario
Day after overall
maximum
1 x 4.32 kg/ha to to the trunks of pome/stone fruit (Appl. Hand
(crop < 50 cm))
global max PEC
SW
(µg/L)
Actual
global max PEC
Sed
(µg/kg)
Actual
1640
685.1
685.1
1320
78
Northern EU, Oct-Feb
Northern EU, Mar- May
Northern EU, Jun-Sep
Southern EU, Oct-Feb
0h
0h
0h
0h
17.16
7.32
7.32
13.88
EFSA Journal 2015;13(11):4302
MOF, Alm.del - 2015-16 - Bilag 108: EFSAs konklusion vedr. glyphosat m.v., fra miljø- og fødevareministeren
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Peer review of the pesticide risk assessment of the active substance glyphosate
1 x 4.32 kg/ha to to the trunks of pome/stone fruit (Appl. Hand
(crop < 50 cm))
global max PEC
SW
(µg/L)
Actual
Southern EU, Mar- May
Southern EU, Jun-Sep
0h
0h
13.88
10.60
global max PEC
Sed
(µg/kg)
Actual
1320
1000
FOCUS STEP 2
Scenario
Day after overall
maximum
Metabolite HMPA
Parameters used in FOCUS
sw
step 1 and 2
Molecular weight (g/mol): 112
Water solubility (mg/L): not relevant, only maximum
values were determined
Max. occurrence in soil & water/sediment system:
Soil: 0%
Water phase: max. 10.0 %
K
oc
(L/kg): not relevant, only maximum values were
determined
DT
50
soil (d): not relevant
DT
50
water/sediment system (d): not relevant, only
maximum values were determined
DT
50
water (d): not relevant, only maximum values were
determined
DT
50
sediment (d): not relevant, only maximum values
were determined
Parameters used in FOCUS
sw
step 3
Application rate
not performed
Step 1:
1.
Crop: Not crop specific,
crops interception: no interception
number of applications: 1
Application rates: 4.32 kg a.s./ha
Interval (d): -
Crop: Field crops (= Spring & winter cereals, field
beans, maize, spring & winter oil-seed rape, sugar
beets, vegetables (bulb, fruiting, leafy), grass&
alfalfa & legumes)
Crop interception: no interception
Number of applications: 2
Application rates: 2.16 kg a.s./ha
Interval (d): 21
Crop: Appl. Hand (crop > 50 cm) for perennials
Crop interception: no interception
Number of applications: 1
Application rates: 4.32 kg a.s./ha
Interval (d): -
Step 2:
1.
2.
Main routes of entry
Formation in water
EFSA Journal 2015;13(11):4302
79
MOF, Alm.del - 2015-16 - Bilag 108: EFSAs konklusion vedr. glyphosat m.v., fra miljø- og fødevareministeren
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Peer review of the pesticide risk assessment of the active substance glyphosate
1 x 4.32 kg a.s./ha, not crop-specific
FOCUS STEP 1
Scenario
Day after overall
maximum
0h
global max PEC
SW
(µg/L)
Actual
6.71
2 x 2.16 kg/ha to Field crops
FOCUS STEP 2
Scenario
Northern EU, Oct-Feb
Northern EU, Mar- May
Northern EU, Jun-Sep
Southern EU, Oct-Feb
Southern EU, Mar- May
Southern EU, Jun-Sep
Day after overall
maximum
0h
0h
0h
0h
0h
0h
global max PEC
SW
(µg/L)
Actual
1.22
1.22
1.22
1.22
1.22
1.22
global max PEC
Sed
(µg/kg)
Actual
196
86.8
86.8
160
160
123
global max PEC
Sed
(µg/kg)
Actual
696
FOCUS STEP 2
Scenario
Day after overall
maximum
1 x 4.32 kg/ha to the trunks of pome/stone fruit (Appl. Hand (crop
< 50 cm))
global max PEC
SW
(µg/L)
Actual
global max PEC
Sed
(µg/kg)
Actual
294
128
128
238
238
183
Northern EU, Oct-Feb
Northern EU, Mar- May
Northern EU, Jun-Sep
Southern EU, Oct-Feb
Southern EU, Mar- May
Southern EU, Jun-Sep
0h
0h
0h
0h
0h
0h
2.63
2.63
2.63
2.63
2.63
2.63
EFSA Journal 2015;13(11):4302
80
MOF, Alm.del - 2015-16 - Bilag 108: EFSAs konklusion vedr. glyphosat m.v., fra miljø- og fødevareministeren
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Peer review of the pesticide risk assessment of the active substance glyphosate
PEC groundwater (Annex IIIA, point 9.2.1)
Method of calculation and type
of study (e.g. modelling, field
leaching, lysimeter)
Modelling using FOCUS model with appropriate FOCUS
GW
scenarios
according to FOCUS guidance:
Model: FOCUS PELMO 4.4.3
Scenarios: Châteaudun, Hamburg , Jokioinen, Kremsmünster, Okehampton,
Piacenza, Porto, Sevilla, Thiva
Crops: Winter cereals, spring cereals, potatoes, pome fruit (apples)
Input parameters for glyphosate:
DT
50
: Geometric mean of the DT
50
values of all soils
:
20.51d (normalisation
to 20
C
and pF2 with Q10 = 2.58)
K
oc
: Arithmetic mean of the Koc values of all soils: 15844 ml/g
1)
Freundlich exponent (1/n): Arithmetic mean of the 1/n values of all soils:
0.914
1)
Plant uptake factor: 0 (worst case assumption)
1)
As an outcome of the discussions in the Pesticides Peer Review Meeting 126 the
arithmetic mean Kfoc and 1/n values for glyphosate have been amended. The experts
agreed that for the EU approval no additional exposure calculations were necessary,
due to the limited effect on the mean endpoints. The correct values to be used in
future PEC simulations are Kfoc:15388 and 1/n: 0.93
Input parameters for the metabolite AMPA:
DT
50
: Geometric mean of the DT
50
values of all soils: 88.84 d (normalisation
to 20
C
and pF2 with Q10 = 2.58)
K
oc
: Arithmetic mean of the Koc values of all soils: 9749 ml/g
Freundlich exponent (1/n): Arithmetic mean of the 1/n values of all soils:
0.853
2)
Formation fraction: 0.36
Plant uptake factor: 0 (worst case assumption)
2)
As an outcome of the discussions in the Pesticides Peer Review Meeting 126 the
arithmetic mean 1/n value for AMPA has been amended. The experts agreed that for
the EU approval no additional exposure calculations were necessary, due to the
limited effect on the mean endpoints. The correct arithmetic mean 1/n value to be
used in future PEC simulations is 0.81
Application rate
Application rate (maximum yearly for all crops): 4320 g/ha
Crop
FOCUS
GW-
crop
Appli-
cation rate
(g /ha)
No. of
appl.
Min.
interval
(d)
Application
period
Various crops
(autumn
appl.)
Various crops
(spring +
autumn appl.)
Various crops
(spring appl.)
Orchards,
citrus, vines,
tree nuts
Winter
cereals
2160
2
21
Pre-planting
/pre-emergence
Spring
cereals
2160
2
21
Pre-planting
/pre-emergence
Pre-planting
/pre-emergence
Post-emergence
of weeds
Potatoes
2160
2880/
720/
720
2
21
Pome fruit
(apples)
3
28
EFSA Journal 2015;13(11):4302
81
MOF, Alm.del - 2015-16 - Bilag 108: EFSAs konklusion vedr. glyphosat m.v., fra miljø- og fødevareministeren
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Peer review of the pesticide risk assessment of the active substance glyphosate
PEC
GW
- FOCUS modelling results (80
th
percentile annual average concentration at 1 m)
Scenario
FOCUS
PELMO
4.4.3/ winter
cereals
Châteaudun
Hamburg
Jokioinen
Kremsmünster
Okehampton
Piacenza
Porto
Sevilla
Thiva
Châteaudun
Hamburg
Jokioinen
Kremsmünster
Okehampton
Porto
Châteaudun
Hamburg
Jokioinen
Kremsmünster
Okehampton
Piacenza
Porto
Sevilla
Thiva
Châteaudun
Hamburg
Jokioinen
Kremsmünster
Okehampton
Piacenza
Porto
Sevilla
Thiva
Parent (µg/L)
Glyphosate
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
Metabolite (µg/L)
AMPA
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
FOCUS
PELMO
4.4.3/ spring
cereals
FOCUS
PELMO
4.4.3/
potatoes
FOCUS
PELMO
4.4.3/ apples
Fate and behaviour in air (Annex IIA, point 7.2.2, Annex III, point 9.3)
Direct photolysis in air
Quantum yield of direct phototransformation
Photochemical oxidative degradation in air
Not studied - no data requested
Not determined
DT
50
of 1.6 hours derived by the Atkinson model
(version 1.92). OH (12h) concentration assumed =
1.5x10
6
cm
-3
Volatilization from plants and soil surfaces (BBA
guideline): not detectable after 24 hours (n = 2)
Volatilisation
EFSA Journal 2015;13(11):4302
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Peer review of the pesticide risk assessment of the active substance glyphosate
PEC
air
Method of calculation
Glyphosate: vapour pressure: 1.31 x 10
-5
Pa at 25°C;
Henry's Law Constant: 2.1 × 10
-7
Pa m³ mol
-1
(25 °C)
Glyphosate trimesium: < 1
10
-11
Pa (20 °C), Henry's
Law Constant: < 2
10
-9
Pa m
3
mol
-1
No volatilisation expected from soil and plants
The calculated atmospheric life time of glyphosate is < 2
days, thus long range transport via air can be excluded
PEC
(a)
Maximum concentration
negligible
Residues requiring further assessment
Environmental occurring residues requiring
assessment by other disciplines (toxicology and
ecotoxicology) and or requiring consideration for
groundwater exposure.
Soil: Glyphosate, AMPA
Surface Water: Glyphosate, AMPA, HMPA
Sediment: Glyphosate, AMPA
Groundwater: Glyphosate, AMPA
Air: Glyphosate
Monitoring data, if available (Annex IIA, point 7.4)
Soil
Surface water
no data
One study (Member states of European Union plus
Norway and Switzerland, 2012):
Review of surface water monitoring results throughout
Europe; Glyphosate has been analyzed in 75000 surface
water samples from about 4000 sites (from 1993-2011)
and was detected in 33% of samples, with 23% above
0.1µg/L. The maximum concentrations of glyphosate
acid found in surface water reached from 1.3 to 370
µg/L. The highest glyphosate values in surface water
were detected in Sweden (370 µg/L), Ireland (186 µg/L)
and Belgium (139 µg/L). The main metabolite AMPA
has been analysed in about 56700 samples from nearly
3000 sites (1997-2011) and was detected in 54% of
samples, with 46% above 0.1 µg/L and maximum
concentrations reaching from 0.22 to > 200 µg/L
1
st
study (Italy, 2012):
Investigation of glyphosate concentrations > 0.1 µg/L in
5 groundwater wells in Italy in 2007 and again in four of
these wells in 2010/ 2011, glyphosate concentrations of 4
wells allocated to surface water inflow or point source
contamination; for 1 well investigations still ongoing
2
nd
study (Germany, 2006):
Officially requested investigation of glyphosate findings
in concentrations > 0.1 µg/L in 5 wells and and AMPA
findings in concentrations > 0.1 µg/L in 21 wells in
Germany from 2005 - 2003; Five wells showed inflow
of surface water or bank filtrate; one well was affected
EFSA Journal 2015;13(11):4302
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Peer review of the pesticide risk assessment of the active substance glyphosate
by a waste deposit; one well was located inside a sewage
plant and showed influence of waste water; in one well
the sample was contaminated since it serves as
processing water well for a tank filling place. 16 findings
were due to an analysis which was obviously deficient
3
rd
study (The Netherlands, 2010):
two reports on groundwater monitoring in The
Netherlands: in 6 out of 189 wells (report of 2008) and in
4 out of 169 wells (report of 2007) glyphosate
concentrations were > 0.1 µg/L; some wells were not
fully protected and contact with surface water may have
occurred; Uncertainty was identified regarding the data
processing; for 6 wells, no explanation could be found
during this investigation
4
th
study (Sweden, 2005):
investigation on glyphosate findings in concentrations of
0.045 µg/L (1
st
well) and 0.18 plus 0.035 µg/L (2
nd
well)
of a groundwater catchment between August 2004 and
February 2005; potential reason is a direct hydrological
connectivity between surface water and shallow
groundwater via an artificial drainage systems
5
th
study (France, 2012):
Glyphosate and AMPA were detected in concentrations
> 0.1 µg/L at several groundwater sampling sites
throughout France; 27wells were investigated further;
two sites were not further investigated due to their low
vulnerability; from the 25 sites, in 19 cases, the
detections in concentrations > 0.1 µg/L were sporadic
(one sample of several analysis), demonstrating that the
contamination was not widespread in the aquifer; in 2
wells used as drinking water supply the contaminations
only occurred in one year; at four sites not used as
drinking water supply, the contaminations occurred over
several years, potential causes were not further
investigated
6
th
study (Member states of European Union plus
Norway and Switzerland, 2012):
Review of groundwater monitoring results throughout
Europe; Glyphosate has been analyzed in 66662 samples
from about 675 sites (1993-2010) and detected in 1 % of
samples, with 0.64 % above 0.1 µg/L; AMPA has been
analyzed in 51652 samples from 1345 sites (1993 -
2011) and detected in 2.6 % of samples, with 0.77 %
above 0.1 µg/L. The glyphosate detections have been
reported from Denmark (4.7 µg/L) and France (24 µg/L).
Findings > 0.1 µg/l have also been measured in Austria,
Ireland, The Netherlands and the UK:
-
Austria: the findings of glyphosate were only in
isolated cases , findings from AMPA were more
frequent; AMPA in 2 spring water samples might also
be related to aminophosphonates from detergents
France: early contaminations before 2001 most likely
due to sample contamination or analytical problems;
findings from 2001-2003 and more recent may
warrant further investigation. From a recent study to
analyze the potential contamination of groundwater
with glyphosate (and AMPA) at 27 sites from 2007-
84
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Peer review of the pesticide risk assessment of the active substance glyphosate
2010, it is clear that none of the glyphosate detections
could be attributed to long-term contamination of
typical groundwater; majority of detections occurred
once only and the small number of multiple
detections occurred in shallow groundwater (spring
water) or wells unsuitable for groundwater
monitoring, suggesting superficial short-term
contamination
Ireland: no clarification for the glyphosate
groundwater findings > 0.1 µg/L presented
Switzerland: detection of glyphosate attributable to
short-term contamination of shallow groundwater or
spring water
The Netherlands: glyphosate and AMPA were
detected once each in 10 different wells; 5 of the
results were uncertain (high margins of error of
measured concentration), all sampling points with
positive detections were in cultivation areas with
sandy or highly sandy soils, samples were taken
mainly from shallow groundwater
UK: a number of positive samples and high
maximum concentrations were found in Wales ,
which may warrant further investigation
-
-
-
-
7
th
study (Spain, 2012):
129 groundwater samples were collected from wells
located in 11 different sampling sites in Catalonia, Spain,
in an area with intensive agriculture between May and
September in 2007, 2008, 2009 and 2011; the
concentrations of glyphosate range from MLQQ to 2.6
µg/L, average: 202 ng/L; the pathways of glyphosate into
groundwater are not investigated by the authors, several
possible pathways like preferential flow or bank
infiltration, etc. were suggested.
Regular Federal groundwater monitoring program in
Germany (1997-2009 & 2011):
89 to 430 samples taken from 1997-2007, >1500 samples
taken from 2008-2009 & 2011): glyphosate was not
detected in groundwater in concentrations > 0.1 µg/l for
many years (1997-2001, 2003, 2006-2007). In 1996 2
samples (1.4 %), in 2002 1 sample (0.4 %), in 2004 1
sample (0.5 %) and in 2005 5 samples (2.1 %) contained
glyphosate in concentrations > 0.1 µg/L; In 2008
glyphosate concentrations > 0.1 µg/L were detected in 7
samples (0.5 %), in 2009 in 6 samples (0.4 %) and in
2011 in 7 samples (0.4 %)
Drinking water
One study (2008, selected European countries):
-
-
Belgium, Germany and Ireland: no exceedances >
0.1 μg/l of glyphosate
France, The Netherlands and UK: some sporadic
exceedances > 0.1 μg/l of glyphosate reported; some
were attributed to problems with the analysis, once
raw water was analyzed instead of rather than
finished drinking water, some exceedances remain
unclear but there seem to be no indication of a
persistent presence in drinking water.
France and Sweden: some exceedances > 0.1 μg/l of
AMPA
85
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Peer review of the pesticide risk assessment of the active substance glyphosate
-
Denmark: no exceedances > 0.1 μg/l in public
supplies but some in small private supplies affected
by shallow groundwater with was rapid infiltration of
surface water
Sweden: some glyphosate and AMPA exceedances >
0.1 μg/l were found in drinking water; no further
sample details were available
-
Air
no data
Points pertinent to the classification and proposed labelling with regard to fate and behaviour
data
Candidate for Chronic (long-term) aquatic hazard. (as it is ‘not readily biodegradable’)
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Effects on terrestrial vertebrates (Annex IIA, point 8.1, Annex IIIA, points 10.1 and 10.3)
Species
Test substance
Time scale
End point
(mg/kg
bw/day)
Birds
Bobwhite quail
Glyphosate acid.
Acute
4334
(extrapolated
with factor
2.167)
> 2250
>5200
>5620
96.3
125.3
-
End point
(mg/kg feed)
Bobwhite quail
Bobwhite quail
Bobwhite quail
Bobwhite quail
Mallard duck
Mammals
Rat
Rat
Rabbit
Additional higher tier studies
- /-
AMPA
Glyphosate acid
AMPA
Glyphosate acid
Glyphosate acid
Acute
Short-term
Short-term
Long-term
Long-term
-
-
-
1000
1000
Glyphosate acid
Glyphosate acid
Glyphosate acid
Acute
Long-term
Long-term
> 2000
197
50
-
-
-
Toxicity/exposure ratios for terrestrial vertebrates (Annex IIIA, points 10.1 and 10.3)
Crop and application rate
Indicator species/Category²
Screening –
uptake via diet
(Birds)
All crops (all seeded or transplanted crops)/
Pre-planting of crop,
Max. 2 × 2160 g a.s./ha , Min. 21 d interval
Worst case scenario: Small omnivorous bird
All crops (all seeded crops)/
Post planting/pre emergence of crop,
Max. 1 × 1080 g a.s./ha
Worst case scenario: Small omnivorous bird
Cereals pre harvest /crop maturity,
Max. 1 × 2160 g a.s./ha
Small omnivorous bird
Oilseed (pre harvest) /Crop maturity
Max. 1 × 2160 g a.s./ha
Small omnivorous bird
411.60
11
Time
scale
DDD
(mg/kg)
TER
1, 4
Annex VI
Trigger³
171.5
Acute
343.0
25
10
13
343.0
13
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Indicator species/Category²
Orchard crops (vines, including citrus & and tree nuts)
Post emergence of weeds
Worst case use pattern and worst case scenario
1 × max. 2880 g a.s./ha
3 × max. 1440 g a.s./ha (Interval 28d)
Small omnivorous bird
Tier1
– uptake via diet
(Birds)
All crops (all seeded or transplanted crops)/ Pre-planting of
crop, Max. 2 × 2160 g a.s./ha
6
, Min. 21 d interval
Worst case scenarios:
Medium herbiv.graniv. bird ‘pigeon’ Wood pidgeon
(Columba
palumbus)
Shortcut value: 22.7, MAF: 1.23, fwa:
0.53/
Large herbiv. bird ‘goose’ Pink-foot goose (Anser
brachyrhynchus)
Shortcut value: 16.2, MAF: 1.23, fwa: 0.53
All crops (all seeded crops)/
Post planting/pre emergence of crop,
Max. 1 × 1080 g a.s./ha
Worst case scenarios:
Med. herbiv./ graniv. bird ‘pigeon’ Wood pidgeon
(Columba
palumbus)
Shortcut value: 22.7, fwa 0.53
Cereals pre harvest /crop maturity,
Max. 1 × 2160 g a.s./ha
Worst case scenario:
Small insectivorous bird ‘passerine’ (Cisticola
juncidis)
Shortcut value: 22.4, fwa 0.53
Oilseed (pre harvest) /Crop maturity
Max. 1 × 2160 g a.s./ha
Worst case scenario:
Small granivorous bird ‘finch’(Carduelis
cannabina)
Shortcut value: 11.4, fwa 0.53
Orchard crops (vines including citrus & and tree nuts)
Post emergence of weeds
Worst case use pattern and worst case scenario
1 × max. 2880 g a.s./ha
3 × max. 1440 g a.s./ha, interval 28d (MAF 1.16)
Worst case scenario
Small graniv. bird ‘finch’ Serin
(Serinus serinus)
Shortcut value: 12.6, fwa 0.53
Higher tier refinement
– uptake via diet (Birds)
The decline of glyphosate residue in grass was characterised using data from 22 residue trials. The average
DT
50
for the 22 trials was 2.8 days. The 21-day time weighted average (twa) for glyphosate in grass foliage has
been used to calculate a refined f
twa
. The 21-day twa is calculated to be 0.19 and the refined MAF is 1.
137.2
5
/89.2
5
32
/49
Time
scale
DDD
(mg/kg)
TER
1, 4
Annex VI
Trigger³
31.96
22.81
3
4.2
13
7.41
Long-
term
5
25.64
3.8
13.05
7.38
9.6
5
/5.6
5
10
/17
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Indicator species/Category²
All crops (all seeded or transplanted crops)/ Pre-planting of
crop, Max. 2 × 2160 g a.s./ha , Min. 21 d interval
Worst case scenarios:
Medium herbiv.graniv. bird ‘pigeon’ Wood pidgeon
(Columba
palumbus),
shortcut value 22.7, MAF: 1, fwa:
0.19/
Large herbiv. bird ‘goose’ Pink-foot goose (Anser
brachyrhynchus),
shortcut value 16.2, MAF: 1, fwa: 0.19
Cereals pre harvest /crop maturity,
Max. 1 × 2160 g a.s./ha
Small insectivorous bird ‘passerine’ (Cisticola
juncidis)
DATA GAP
Tier 1– uptake via drinking water (Birds)
Not required
Tier 1 – secondary poisoning (Birds)
Not required
Tier 1
– uptake via diet
(Mammals)
All crops (all seeded or transplanted crops)/ Pre-planting of
crop,
Max. 2 × 2160 g a.s./ha , Min. 21 d interval (MAF 1.14)
Worst case scenarios:
Small herbivorous mammal ‘vole’ (Microtus
arvalis),
Shortcut value 136.4
Large herbivorous mammal lagomorph (rabbit,
Oryctolagus
cuniculus),
Shortcut value 42.1
All crops (all seeded crops)/
Post planting/pre emergence of crop,
Max. 1 × 1080 g a.s./ha
Worst case scenarios:
Small herbivorous mammal ‘vole’ (Microtus
arvalis)
Shortcut value 136.4
Cereals (pre harvest) wheat, rye, triticale, barley and oats/
Crop maturity
Max. 1 × 2160 g a.s./ha
Small herbivorous mammal ‘vole’ (Microtus
arvalis)
Shortcut value 40.9
Oilseed (pre harvest) rapeseed, mustard seed, linseed/ Crop
maturity
Max. 1 × 2160 g a.s./ha
Small herbivorous mammal ‘vole’ (Microtus
arvalis)
Shortcut value 34.1
335.9
/103.67
>6
/>19.2
Long-
term
5
Acute
10
Time
scale
DDD
(mg/kg)
TER
1, 4
Annex VI
Trigger³
6.65
Long-
term
9.32
14.48
10.34
5
Acute
147.3
>13.6
10
88.34
>23
73.66
> 27
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Peer review of the pesticide risk assessment of the active substance glyphosate
Indicator species/Category²
Orchard crops (vines including citrus & tree nuts)
Post emergence of weeds
28 d.interval bet.applic.
Worst case use pattern and worst case scenario
1 × max. 2880 g a.s./ha
3 × max. 1440 g a.s./ha ((MAF 1.1)
Small herbivorous mammal ‘vole’ (Microtus
arvalis)
Shortcut value 136.4
All crops (all seeded or transplanted crops)/ Pre-planting of
crop,
Max. 2 × 2160 g a.s./ha , Min. 21 d interval (MAF 1.23)
Worst case scenarios
Small herbivorous mammal ‘vole’ (Microtus
arvalis),
Shortcut value 72.3, ftwa 0.53
Small omnivorous mammals, wood mouse (Apodemus
sylvaticus),
Shortcut value 7.8, ftwa 0.53
Large herbivorous mammal lagomorph (rabbit,
Oryctolagus
cuniculus),
Shortcut value 22.3
ftwa 0.53
All crops (all seeded crops)/
Post planting/pre emergence of crop,
Max. 1 × 1080 g a.s./ha
Worst case scenarios:
Small herbivorous mammal ‘vole’ (Microtus
arvalis),
Shortcut value 72.3, ftwa 0.53
Long-
term
5
41.48
/5.49
/15.7
1.21
/9.1
/3.2
101.8
/10.98
/31.4
0.49
/4.55
/1.6
196.42
5
/108.03
5
> 10
>18.5
Time
scale
DDD
(mg/kg)
TER
1, 4
Annex VI
Trigger³
Small omnivorous mammals Wood mouse (Apodemus
sylvaticus),
Shortcut value 7.8, ftwa 0.53
Large herbivorous mammal lagomorph (rabbit,
Oryctolagus
cuniculus),
Shortcut value 22.3
ftwa 0.53
Cereals (pre harvest) wheat, rye, triticale, barley and oats/
Crop maturity
Max. 1 × 2160g a.s./ha
Small herbivorous mammal ‘vole’ (Microtus
arvalis)
Shortcut value 21.7 ftwa 0.53
Oilseed (pre harvest) rapeseed, mustard seed, linseed/ Crop
maturity
Max. 1 × 2160 g a.s./ha
Small herbivorous mammal ‘vole’ (Microtus
arvalis)
Shortcut value 18.1 ftwa 0.53
24.69
2.0
20.72
2.4
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Peer review of the pesticide risk assessment of the active substance glyphosate
Indicator species/Category²
Orchard crops (vines including citrus & tree nuts)
Post emergence of weeds
28 d.interval bet.applic.
Worst case use pattern and worst case scenario
1 × max. 2880 g a.s./ha
3 × max. 1440 g a.s./ha (MAF 1.16)
Small herbivorous mammal ‘vole’ (Microtus
arvalis),
Shortcut value 72.3 ftwa 0.53
Higher tier refinement – uptake via diet (Mammals)
The decline of glyphosate residue in grass was characterised using data from 22 residue trials. The average
DT
50
for the 22 trials was 2.8 days. The 21-day time weighted average (twa) for glyphosate in grass foliage has
been used to calculate a refined f
twa
. The 21-day twa is calculated to be 0.19. Also the MAF values were
refined
All crops (all seeded or transplanted crops)/ Pre-planting of
crop,
Max. 2 × 2160 g a.s./ha , Min. 21 d interval
Small herbivorous mammal ‘vole’ (Microtus
arvalis),
shortcut value 72.3, MAF 1, ftwa 0.19
Small omnivorous mammals, wood (Apodemus
sylvaticus),
shortcut value 7.8, MAF 1, ftwa 0.19
Large herbivorous mammal lagomorph (rabbit,
Oryctolagus
cuniculus),
Shortcut value 22.3
ftwa 0.53
All crops (all seeded crops)/
Post planting/pre emergence of crop,
Max. 1 × 1080 g a.s./ha
Worst case scenarios:
Small herbivorous mammal ‘vole’ (Microtus
arvalis),
shortcut value 72.3, MAF 1, ftwa 0.19
Large herbivorous mammal lagomorph (rabbit,
Oryctolagus
cuniculus),
Shortcut value 22.3 ftwa 0.19
Cereals (pre harvest) wheat, rye, triticale, barley and oats/
Crop maturity
Max. 1 × 2160g a.s./ha
Small herbivorous mammal ‘vole’ (Microtus
arvalis),
Shortcut value 21.7 ftwa 0.19
Oilseed (pre harvest) rapeseed, mustard seed, linseed/ Crop
maturity
Max. 1 × 2160 g a.s./ha
Small herbivorous mammal ‘vole’ (Microtus
arvalis),
Shortcut value 18.1 ftwa 0.19
55.17
/32
0.9
/1.6
Time
scale
DDD
(mg/kg)
TER
1, 4
Annex VI
Trigger³
29.67
/3.2
/9.15
1.69
/15.6
/5.5
Long-
term
14.84
/4.6
3.37
/11
5
8.9
5.6
7.43
6.7
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Indicator species/Category²
Orchard crops (vines including citrus & tree nuts)
Post emergence of weeds
28 d.interval bet.applic.
Worst case use pattern and worst case scenario
1 × max. 2880 g a.s./ha
3 × max. 1440 g a.s./ha (MAF 1)
Small herbivorous mammal ‘vole’ (Microtus
arvalis)
Shortcut value 72.3 ftwa 0.19
Tier 1– uptake via drinking water (Mammals)
Not required
Tier 1 – secondary poisoning (Mammals)
Not required
1
2
3
Time
scale
DDD
(mg/kg)
TER
1, 4
Annex VI
Trigger³
19.78
5
/9.89
5
2.53
/5.06
Acute
10
Long-
term
5
4
5
in higher tier refinement provide brief details of any refinements used (e.g. residues, PT, PD or AV)
for cereals indicate if it is early or late crop stage
If the Annex VI Trigger value has been adjusted during the risk assessment of the active substance (e.g. many single
species data), it should appear in this column
TER in bold do not meet the acceptability criteria.
Because applications are made round base of trunk and to the intra-rows, (inner strips between two trees within a row),
application rates per ha are expressed per ‘unit of treated surface area’ the actual application rate per ha orchard or
vineyard will only be 50%. Exposure estimations took into account the 50 % of the total application rate.
Toxicity data for aquatic species (most sensitive species of each group) (Annex IIA, point 8.2,
Annex IIIA, point 10.2)
Group
Test substance
Time-scale
(Test type)
Laboratory tests
Fish
Oncorhynchus mykiss
Lepomis macrochirus
Danio rerio
Cyprinus carpio
Oncorhynchus mykiss
Cyprinus carpio
Oncorhynchus mykiss
Pimephales promelas
Brachydanio rerio
Oncorhynchus mykiss
Pimephales promelas
Glyphosate acid
Glyphosate acid
Glyphosate acid
Glyphosate acid
MON 52276
MON 52276
AMPA
Glyphosate acid
Glyphosate acid
Glyphosate acid
AMPA
96 hr (static)
96 hr (static)
96 hr (semi-static)
96 hr (semi-static)
96 hr (static)
96 hr (static)
96 hr (static)
255days
168 hr
85 days
33 days
Mortality, EC
50
Mortality, EC
50
Mortality, EC
50
Mortality, EC
50
Mortality, EC
50
Mortality, EC
50
Mortality, EC
50
Growth NOEC
Growth NOEC
Growth NOEC
Growth NOEC
38 (nom.)
47 (nom.)
123 (nom.)
> 100 (nom.)
> 989 (mm.)
> 306 a.e.
> 277 a.e.
520 (mm.)
25.7 (mm.)
1 (nom.)
9.6 (mm.)
12 (mm.)
2
End point
Toxicity
1
(mg/L)
> 895 (mm.)
2
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Group
Test substance
Time-scale
(Test type)
Aquatic invertebrate
Daphnia magna
Daphnia magna
Daphnia magna
Daphnia magna
Daphnia magna
Daphnia magna
Glyphosate acid
AMPA
HMPA
MON 52276
Glyphosate acid
AMPA
48 h (static)
48 h (static)
48 h (static)
48 h (static)
21 d
(semi-static)
21 d
(semi-static)
Mortality, EC
50
Mortality, EC
50
Mortality, EC
50
Mortality, EC
50
Reproduction,
NOEC
Reproduction,
NOEC
40 (nom.)
690 (nom.)
> 100 (nom.)
676 (nom.)
209 a.e.
12.5 (nom.)
15 (nom.)
End point
Toxicity
1
(mg/L)
Sediment dwelling organisms
Chironomus riparius
Algae
Anabaena flos-aquae
Glyphosate acid
72 h (static)
Biomass: E
b
C
50
Growth rate: E
r
C
50
NOErC
Skeletonema costatum
Glyphosate acid
72 h (static)
Biomass: E
b
C
50
Growth rate: E
r
C
50
NOErC
Pseudokirchneriella
subcapitata
Glyphosate acid
72 h (static)
Biomass: E
b
C
50
Growth rate: E
r
C
50
NOErC
Desmodesmus
subspicatus
AMPA
72 h (static)
Biomass: E
b
C
50
Growth rate: E
r
C
50
NOErC
NOEC
Pseudokirchneriella
subcapitata
AMPA
72 h (static)
Biomass: E
b
C
50
Growth rate: E
r
C
50
NOErC
Pseudokirchneriella
subcapitata
HMPA
72 h (static)
Biomass: E
b
C
50
Growth rate: E
r
C
50
NOAEC
Pseudokirchneriella
subcapitata
MON 52276
72 h (static)
Biomass: E
b
C
50
Growth rate: E
r
C
50
NOEC
Higher plant
Lemna gibba
Glyphosate acid
14 d (semi-static)
Fronds, EC
50
NOEC
empiric
EFSA Journal 2015;13(11):4302
12 (nom.)
1.5 (nom.)
93
8.5 (nom.)
22 (nom.)
12 (nom.)
11 (nom.)
18 (nom.)
1.82 (nom.)
18 (nom.)
19 (nom.)
10 (nom.)
89.8 (nom.)
452 (nom.)
0.96(nom.)
24(nom.)
110 (nom.)
200 (nom.)
46 (nom.)
> 115 (nom.)
> 115 (nom.)
60 (nom.)
178 (55 a.e.)
2
(nom.)
284 (88 a.e.)
(nom.)
90 (28 a.e.)
Glyphosate acid
28 d (static)
NOEC
-
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Peer review of the pesticide risk assessment of the active substance glyphosate
Group
Test substance
Time-scale
(Test type)
Lemna gibba
Lemna gibba
HMPA
MON 52276
7 d (semi-static)
7 d (semi-static)
Fronds, EC
50
NOEC
Fronds, EC
50
NOEC
Myriophyllum
aquaticum
Glyphosate acid
14 d (static)
Fresh weight,
relative increase,
EC
50
NOEC
Myriophyllum
aquaticum
AMPA
14 d (static)
Fresh weight,
relative increase,
EC
50
dry weight,
relative increase,
EC
50
for root length
NOEC
Myriophyllum
aquaticum
MON 52276
14 d (static)
Fresh weight,
relative increase,
EC
50
NOEC
End point
Toxicity
1
(mg/L)
> 123 (nom.)
123 (nom.)
67 (nom.)
21(a.e.)
0.9(nom.)
0.3(a.e.)
12.3(nom.)
(
MON 77973
)
<< 5(nom.)
70.8 (mm.)
63.2 (mm.)
31.1(mm)
<< 5.4 (nom.)
4.44 a.e.
2
(mm.)
< 0.3 a.e.
2
(mm.)
Microcosm or mesocosm tests - /-
Indicate if not required
1
- /-
2
indicate whether based on nominal (
nom
) or mean measured concentrations (
mm
). In the case of preparations indicate
whether end points are presented as units of preparation or a.s.
a.e.: acid equivalents
EFSA Journal 2015;13(11):4302
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Peer review of the pesticide risk assessment of the active substance glyphosate
Toxicity/exposure ratios for the most sensitive aquatic organisms (Annex IIIA, point 10.2)
Maximum PEC
SW
values and TER values for Glyphosate acid – not crop specific application for all crops with maximum application rate 4.32 kg/ha glyphosate in any 12 month period across use
categories, equivalent to the sum of pre-plant, pre-harvest and post-harvest stubble applications (Focus
Step 1)
and for field crops (spring & winter cereals, field beans, maize, spring & winter oil-
seed rape, sugar beets, vegetables (bulb, fruiting, leafy), grass & alfalfa & legumes) with maximum application rate 2 x 2.16 kg/ha glyphosate (Focus
Step2)
Scenario
PEC global
max
(µg L)
PEC twa,
28d*
(µg L)
Fish acute
O. mykiss
LC
50
38000 µg/L
Fish
prolonged
B. rerio
NOEC
1000 µg/L
9.5
Fish
prolonged
P. promelas
NOEC
25700 µg/L
245
Daphnia
acute
D. magna
EC
50
40000 µg/L
382
Daphnia
prolonged
D. magna
NOEC
12500 µg/L
119
Algae
acute
A.
flosaquae
E
b
C
50
8500 µg/L
81
Aquatic
plants
M. aquaticum
E
b
C
50
4400 µg/L
42
Sed. dweller
prolonged
-
NOEC
µg/L
-
-
FOCUS Step 1
FOCUS Step 2
North Europe (Oct-
Feb)
North Europe (Mar –
May) and (Jun-Sep)
South Europe (Oct –
Feb) and (Mar - May)
Annex VI Trigger
104.81
363
23.38
1625
43
1099
1711
535
364
188
-
18.49
2055
54
1390
2163
676
460
240
-
19.14
1985
100
52
10
1343
10
2090
100
653
10
444
10
230
10
-
-
EFSA Journal 2015;13(11):4302
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Peer review of the pesticide risk assessment of the active substance glyphosate
Maximum PECsw values and TER values for AMPA, Focus Step 1
Scenario
PEC global
max
(µg L)
PEC twa,
28d*
(µg L)
Fish acute
O. mykiss
LC
50
520000 µg/L
Fish
prolonged
P. promelas
NOEC
12000 µg/L
293
10
Daphnia
acute
D. magna
EC
50
690000 µg/L
16858
100
Daphnia
prolonged
D. magna
NOEC
15000 µg/L
366
10
Algae
acute
D.
subspicatus
E
b
C
50
89900µg/L
2196
10
Aquatic plants
M. aquaticum
E
b
C
50
31100µg/L
760
10
Sed. dweller
prolonged
-
NOEC
µg/L
FOCUS Step 1
Annex VI Trigger
40.93
12705
100
-
Maximum PECsw values and TER values for HMPA, Focus Step 1
PEC global
max
(µg L)
PEC twa,
28d*
(µg L)
Scenario
Fish acute
-
LC
50
-
Fish
prolonged
-
NOEC
-
-
10
Daphnia
acute
D. magna
EC
50
>100000
µg/L
14903
100
Daphnia
prolonged
-
NOEC
-
-
10
Algae
acute
D.
subspicatus
E
b
C
50
>115000
µg/L
17139
10
Aquatic plants
M. aquaticum
E
b
C
50
>123000
µg/L
18331
10
Sed. dweller
prolonged
-
NOEC
µg/L
-
-
FOCUS Step 1
Annex VI Trigger
6.71
-
100
EFSA Journal 2015;13(11):4302
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Peer review of the pesticide risk assessment of the active substance glyphosate
Bioconcentration
Active substance
log P
O/W
log P
ow
of glyphosate acid and its metabolites was < 3,
accumulation potential in aquatic non-target organisms is
hence considered to be low
BCF = 1.1 ± 0.61; steady state after 120 ± 59 d (56 d bio-
concentration flow-through;
Lepomis macrochirus)
1000
Not relevant
Not relevant
Bioconcentration factor (BCF)
1
Annex VI Trigger for the BCF
Clearance time (days) (CT
50
)
(CT
90
)
Level and nature of residues (%) in organisms
after the 14 day depuration phase
1
only required if log PO/W > 3.
*
based on total 14C or on specific compounds
Effects on honeybees (Annex IIA, point 8.7, Annex IIIA, point 10.4)
Test substance
as
Preparation
1
Metabolite 1
Field or semi-field tests
A field study (Thompson, 2012) was undertaken to determine the potential for toxicity to developing honey
bee larvae and pupae to glyphosate (tested as the IPA salt) when fed directly to honey bee colonies. In this
study the overall NOAEL (No Observed Adverse Effect Level) for brood development of honey bee colonies
was 301 mg glyphosate a.e./L sucrose solution, the highest dose tested.
1
Acute oral toxicity
(LD
50
µg a.s./bee)
100
> 77
Acute contact toxicity
(LD
50
µg a.s./bee)
> 100
> 100
for preparations indicate whether endpoint is expressed in units of as or preparation
Hazard quotients for honey bees (Annex IIIA, point 10.4)
2880 g a.s. /ha; all crops*
Test substance
as
as
Preparation
Preparation
Route
contact
oral
contact
oral
Hazard quotient
< 29
29
< 29
< 38
Annex VI
Trigger
50
50
50
50
*
the HQs calculated with this application rate covered all the representative uses
EFSA Journal 2015;13(11):4302
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Peer review of the pesticide risk assessment of the active substance glyphosate
Effects on other arthropod species (Annex IIA, point 8.3.2, Annex IIIA, point 10.5)
Laboratory tests with standard sensitive species
Species
Test
Substance
Mortality (Extended laboratory
Aphidius rhopalosiphi
Typhlodromus pyri
MON 52276
MON 52276
(whole plant), 3D)
Mortality (Extended laboratory
(leaf discs), 2D)
Mortality (Extended Laboratory
(soil))
Endpoint
Effect
(LR
50
g/ha
1
)
LR
50
> 16.0 L product/ha
(5760 g a.s./ha)
ER
50
≥ 12.0 L product /ha
(4320 g a.s./ha)
ER
50
> 12.0 L product /ha
(4320 g a.s./ha)
Aleochara bilineata
1
MON 52276
for preparations indicate whether endpoint is expressed in units of as or preparation
Crop and application rate ‘All crops’ 2x 2160 g a.s./ha*
Test substance
Species
Effect
(LR
50
g/ha)
MON 52276
MON 52276
Aphidius rhopalosiphi
Typhlodromus pyri
> 5760
> 4320
< 0.6
≤ 0.9
< 0.1
< 0.1
2
2
HQ in-field
HQ off-field
Trigger
*
the HQs calculated with this application rate covered all the representative uses
Further laboratory and extended laboratory studies
Species
Life
stage
Test substance,
substrate and
duration
MON 52276
Extended
laboratory
(barley plants,
3D)
Dose
(g/ha)
1,2
5760,
4320,
2880,
2160,
1080 g
a.s./ha
5760,
4320,
2880,
2160,
1080 g
a.s./ha
4320,
2880,
2160 g
a.s./ha
Endpoint
% effect
3
Trigger
value
LR
50
>5760 g a.s./ha
Mortality
Repro-
duction
Increase in no. of
mummies /female of
46.8%, 43.0% and
32.3% at 5760, 4320,
2880 g a.s./ha
LR
50
>5760 g a.s./ha
Mortality
Repro-
duction
5760 g a.s./ha >ER
50
4320 g a.s./ha
(reduction in no. of
egg/female 45 % at
4320 g a.s./ha )
LR
50
> 4320 g a.s./ha )
ER
50
> 4320 g a.s./ha )
(effects between 1.9-
18.1% on reproduction)
50 %
50 %
Aphidius
rhopalosiphi
Adults
approx.
48 h
old
Typhlodromus
pyri
< 24 h
MON 52276
Extended
laboratory
(leaf discs, bean
plants, 2D)
MON 52276
(Extended
Laboratory soil,
LUFA 2.1)
Aleochara
bilineata
3-4
days
Mortality
Repro-
duction
50 %
Field or semi-field tests - /-
Indicate if not required - /-
1
2
3
indicate whether initial or aged residues
for preparations indicate whether dose is expressed in units of as or preparation
indicate if positive percentages relate to adverse effects or not
EFSA Journal 2015;13(11):4302
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Peer review of the pesticide risk assessment of the active substance glyphosate
Effects on earthworms, other soil macro-organisms and soil micro-organisms (Annex IIA,
points 8.4 and 8.5, Annex IIIA, points 10.6 and 10.7)
Test organism
Earthworms
Eisenia fetida
Glyphosate acid
Acute 14 days
LC
50=
5600 mg as/kg d.w.soil (mg
as/ha)
LC
50
> 1250 mg/kg dry soil
equivalent to
LC
50
> 388 mg a.e./kg dry soil
Eisenia andrei
Eisenia fetida
Eisenia fetida
Soil mesofauna
Hypoaspis aculeifer
Hypoaspis aculeifer
Folsomia candida
Folsomia candida
Soil micro-organisms
Glyphosate acid
(MON 77973)
Nitrogen mineralisation
AMPA
MON 52276
Glyphosate acid
Carbon mineralisation
AMPA
MON 52276
Field studies
2
-/-
Indicate if not required -/-
1
2
Test substance
Time scale
Endpoint
1
Eisenia fetida
MON 52276
AMPA
MON 0139
(63.81% w/w
Glyphosate IPA salt)
AMPA
Acute 14 days
Acute 14 days
Chronic 56 days
Chronic 56 days
LC
50
> 1000 mg AMPA/kg dry
NOEC > 1000 mg /kg dry soil
equivalent to
NOEC > 473 mg a.e. /kg dry soil.
NOEC = 131.90 mg/kg dry soil
Glyphosate IPA-salt
AMPA
Glyphosate IPA salt
AMPA
14 d
chronic
14 d
chronic
28 d
chronic
28 d
chronic
NOEC=1000 mg/kg
472.8 mg a.e./kg
NOEC=320 mg/kg dry soil
NOEC= 1000 mg/kg
587 mg a.e./kg
NOEC= 315 mg/kg
28-day study
6 % effect at day 28 when
applied at 33.1 mg a.e./kg dry soil
(23 kg/ha)
21% effect at day 28 at 160 mg
/kg d.w.soil (120kg /ha)
8% effect at day 28 at 94 mg /kg
d.w.soil (60L/ha)
9.3% effect at day 28 at 6.4 mg
/kg d.w.soil (4.8kg /ha)
28/56-day study
28-day study
28/56-day study
28-day study
18% effect at day 28 at 160 mg
/kg d.w.soil (120kg /ha)
15% effect at day 28 at 94 mg /kg
d.w.soil (60L/ha)
indicate where endpoint has been corrected due to log Po/w > 2.0 (e.g. LC50corr)
litter bag, field arthropod studies not included at 8.3.2/10.5 above and earthworm field studies
EFSA Journal 2015;13(11):4302
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Peer review of the pesticide risk assessment of the active substance glyphosate
Toxicity/exposure ratios for soil organisms
Maximum application rate per ha/year for all crops as worst case approach
Test organism
Earthworms
Eisenia fetida
Eisenia fetida
Eisenia andrei
Eisenia fetida
Eisenia fetida
Glyphosate acid
MON 52276
(rec. acid equivalent)
AMPA
MON0139
(rec. acid equivalent)
AMPA
Acute, 14 d
Acute, 14 d
Acute, 14 d
Chronic, 56 d
Chronic, 56 d
6.6162
6.6162
6.1797
6.6162
6.1797
846
59
59
72
21
10
10
10
5
5
Test substance
Time scale
Soil PEC
2
TER
Trigger
Other soil macro-organisms
Hypoaspis aculeifer
Hypoaspis aculeifer
Folsomia candida
Folsomia candida
1
2
Glyphosate IPA-salt
AMPA
Glyphosate IPA salt
AMPA
Chronic, 14 d
Chronic, 14 d
Chronic, 28 d
Chronic ,28 d
6.6162
6.1797
6.6162
6.1797
71
52
89
51
5
5
5
5
to be completed where first Tier triggers are breached
PECaccu = PECinitial + plateau concentration. a tillage depth of 5 cm was considered for calculating the background
concentration
Effects on non-target plants (Annex IIA, point 8.6, Annex IIIA, point 10.8)
Preliminary screening data
Not required for herbicides as ER
50
tests should be provided
Laboratory dose response tests
Scenario
ER
50
(g
a.s./ha)
PERin-
field
(g
a.s./ha)
2 x 2160
(MAF 1.7)
Distance
(m)
PERoff-
field
(g a.s./ha)
87.4
17.3
9.9
TER
TER with TER with TER with
50 % drift
75 %
90 % drift
reduction
drift
reduction
reduction
0.6
3.3
5.7
1.3
6.6
11.5
3.2
16.4
28.7
All crops
(all seeded
and
28.4
transplanted
crops)
1
5
10
0.3
1.6
2.9
EFSA Journal 2015;13(11):4302
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Scenario
ER
50
(g
a.s./ha)
PERin-
field
(g
a.s./ha)
1 x 1080
Distance
(m)
PERoff-
field
(g a.s./ha)
29.9
6.2
3.1
79.8 x 0.5 *
16.4 x 0.5*
8.4 x 0.5*
TER
TER with TER with TER with
50 % drift
75 %
90 % drift
reduction
drift
reduction
reduction
1.9
9.2
18
1.4
6.9
3.8
18
37
2.8
14
9.5
46
92
7.1
35
All crops
(all seeded
post planted
crops)
Orchard
crops, vines
including
citrus & tree
nuts
Intra-row &
Spot
treatment
(50% applic.
rate)
4
1
5
10
0.9
4.6
9.2
0.7
3.5
1 x 2880
1
5
10
6.7
14
27
68
3 x 1440
(MAF 2.3)
1
5
10
66.6 x 0.5*
13.6 x 0.5*
6.6 x 0.5*
79.8
16.4
8.4
0.9
4.2
8.6
0.4
1.7
3.4
1.7
8.4
17
0.7
3.5
6.8
3.4
17
34
1.4
6.9
14
8.6
42
86
3.6
17
34
1 x 2880
Orchard
crops, vines
including
citrus & tree
nuts
1
5
10
10
3 x 1440
1
5
10
Cereals,
Oilseeds
(pre-harvest)
1 x 2160
1
5
10
TER in bold are below the relevant trigger of 5.
*
5.2
66.6
13.6
6.6
59.83
12.31
6.32
5.4
0.4
2.1
4.3
0.5
2.3
4.5
11
0.9
4.2
8.6
0.9
4.6
9.0
22
1.7
8.4
17
1.9
9.2
18
55
4.3
21
43
4.7
23.1
45
Because applications are made round base of trunk and to the intra-rows, (inner strips between two trees within a row),
application rates per ha are expressed per ‘unit of treated surface area’ the actual application rate per ha orchard or
vineyard will only be 50 % of the reported rate
Additional studies (e.g. semi-field or field studies)
-/-
Effects on biological methods for sewage treatment (Annex IIA, point 8.7)
Test type/organism
Inhibition of respiration rate of the activated
sludge
EFSA Journal 2015;13(11):4302
endpoint
EC
50
> 1000 mg /L
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Peer review of the pesticide risk assessment of the active substance glyphosate
Ecotoxicologically relevant compounds (consider parent and all relevant metabolites requiring
further assessment from the fate section)
Compartment
soil
water
sediment
groundwater
Parent (glyphosate), Metabolite (AMPA)
Parent (glyphosate), Metabolite (AMPA*)
Parent (glyphosate), Metabolite (AMPA*)
Parent (glyphosate), Metabolite (AMPA*)
*
AMPA is not ecotoxicologically relevant for the compartments water, sediment and groundwater. For precautionary
reasons AMPA is proposed as relevant residue due to the frequent detections in surface waters and groundwater and the
widespread intended uses of glyphosate in almost all crops.
Classification and proposed labelling with regard to ecotoxicological data (Annex IIA, point 10
and Annex IIIA, point 12.3)
RMS/peer review proposal
Active substance
Chronic 2,
H411,
GHS09
P273
P391
P501
EFSA Journal 2015;13(11):4302
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A
PPENDIX
B – U
SED COMPOUND CODE
(
S
)
Code/Trivial name*
N-nitroso-glyphosate
(NNG)
Chemical name/SMILES notation**
[nitroso(phosphonomethyl)amino]acetic
acid
O=NN(CC(=O)O)CP(=O)(O)O
HO
OH
Structural formula**
O
O
N
N
O
OH
P
formaldehyde
formaldehyde
C=O
O
CH
2
O
O
CH
3
O
OH
N
HO
OH
P
N-acetyl-glyphosate
N-acetyl-N-(phosphonomethyl)glycine
OC(=O)CN(CP(=O)(O)O)C(C)=O
AMPA
(aminomethyl)phosphonic acid
NCP(=O)(O)O
H
2
N
O
OH
P
OH
HMPA
(hydroxymethyl)phosphonic acid
HO
O
OH
P
OH
OCP(=O)(O)O
N-acetyl-AMPA
(acetamidomethyl)phosphonic acid
O
O
P
NH
H
3
C
HO
OH
CC(=O)NCP(=O)(O)O
N-methyl-AMPA
[(methylamino)methyl]phosphonic acid
NH
HO
O
P
OH
H
3
C
CNCP(=O)(O)O
Glyphosate-trimesium
trimethylsulfonium
N-
[(hydroxyphosphinato)methyl]glycine
O=C([O-])CNCP(=O)(O)O.C[S+](C)C
CH
3
H
3
C
S
+
O
O
-
HO
NH
P
O
OH
CH
3
*
The metabolite name in bold is the name used in the conclusion.
**
ACD/ChemSketch, Advanced Chemistry Development, Inc., ACD/Labs Release: 12.00 Product version: 12.00 (Build
29305, 25 Nov 2008)
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A
BBREVIATIONS
1/n
λ
°C
µg
µm
a.s.
AChE
ADE
ADI
AF
AOAC
AOEL
AP
AR
ARfD
AST
AUC
AV
BCF
BUN
bw
ca.
CAS
CFU
ChE
CI
CIPAC
CL
CLP
cm
Cmax
d
DAA
DAR
DAT
DM
DT
50
DT
90
dw
EbC
50
EC
50
ECHA
ED
EDSP
EEC
EINECS
ELINCS
EMDI
ER
50
ErC
50
EU
slope of Freundlich isotherm
wavelength
decadic molar extinction coefficient
degree Celsius (centigrade)
microgram
micrometer (micron)
active substance
acetylcholinesterase
actual dermal exposure
acceptable daily intake
assessment factor
AOAC international
acceptable operator exposure level
alkaline phosphatase
applied radioactivity
acute reference dose
aspartate aminotransferase (SGOT)
area under the blood concentration/time curve
avoidance factor
bioconcentration factor
blood urea nitrogen
body weight
circa
(about)
Chemical Abstracts Service
colony forming units
cholinesterase
confidence interval
Collaborative International Pesticides Analytical Council Limited
confidence limits
classification, labelling and packaging
centimetre
concentration achieved at peak blood level
day
days after application
draft assessment report
days after treatment
dry matter
period required for 50 percent disappearance (define method of estimation)
period required for 90 percent disappearance (define method of estimation)
dry weight
effective concentration (biomass)
effective concentration
European Chemical Agency
endocrine disruption
(US Environmental Protection Agency) Endocrine Disruptor Screening
Program
European Economic Community
European Inventory of Existing Commercial Chemical Substances
European List of New Chemical Substances
estimated maximum daily intake
emergence rate/effective rate, median
effective concentration (growth rate)
European Union
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Peer review of the pesticide risk assessment of the active substance glyphosate
EUROPOEM
F
0
F
1
f(twa)
FAO
FID
FIR
FOB
FOCUS
g
GAP
GC
GCPF
GGT
GHS
GHS05
GIT
GM
GMO
GS
GSH
GTF
h
H318
ha
Hb
Hct
hL
HPLC
HPLC-MS
HQ
IARC
IEDI
IESTI
IPA
ISO
IUPAC
iv
JMPR
K
doc
kg
K
Foc
L
LC
LC
50
LC-MS
LC-MS-MS
LD
50
LDH
LLNA
LOAEL
LOD
European Predictive Operator Exposure Model
parental generation
filial generation
time weighted average factor
Food and Agriculture Organisation of the United Nations
flame ionisation detector
Food intake rate
functional observation battery
Forum for the Co-ordination of Pesticide Fate Models and their Use
gram
good agricultural practice
gas chromatography
Global Crop Protection Federation (formerly known as GIFAP)
gamma glutamyl transferase
globally harmonized system
hazard pictogram (corrosion) according to GHS
gastro-intestinal tract
genetically modified
genetically modified organism
growth stage
Glutathione
Glyphosate Task Force
hour(s)
hazard statement for serious eye damage according to Reg. (EC) No. 1272/2008
hectare
haemoglobin
haematocrit
hectolitre
high pressure liquid chromatography
or high performance liquid chromatography
high pressure liquid chromatography – mass spectrometry
hazard quotient
International Agency for Research on Cancer
international estimated daily intake
international estimated short-term intake
isopropylamine
International Organisation for Standardisation
International Union of Pure and Applied Chemistry
intravenous
Joint Meeting on the FAO Panel of Experts on Pesticide Residues in Food and
the Environment and the WHO Expert Group on Pesticide Residues (Joint
Meeting on Pesticide Residues)
organic carbon linear adsorption coefficient
kilogram
Freundlich organic carbon adsorption coefficient
litre
liquid chromatography
lethal concentration, median
liquid chromatography-mass spectrometry
liquid chromatography with tandem mass spectrometry
lethal dose, median; dosis letalis media
lactate dehydrogenase
local lymph node assay
lowest observable adverse effect level
limit of detection
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Peer review of the pesticide risk assessment of the active substance glyphosate
LOQ
m
M/L
MAF
MCH
MCHC
MCV
mg
M&K
mL
mm
mN
MRL
MS
MSDS
MTD
MWHC
NESTI
ng
NOAEC
NOAEL
NOEL
NOEC
NOEL
NPD
OECD
OM
Pa
PD
PEC
PEC
air
PEC
gw
PEC
sed
PEC
soil
PEC
sw
pH
PHED
PHI
PIE
pK
a
POEM
P
ow
PPE
ppm
ppp
PT
PTT
QC
QSAR
r
2
RAR
REACH
RMS
RPE
RUD
limit of quantification (determination)
metre
mixing and loading
multiple application factor
mean corpuscular haemoglobin
mean corpuscular haemoglobin concentration
mean corpuscular volume
milligram
Maximisation test of Magnusson & Kligman
millilitre
millimetre
milli-newton
maximum residue limit or level
mass spectrometry
material safety data sheet
maximum tolerated dose
maximum water holding capacity
national estimated short-term intake
nanogram
no observed adverse effect concentration
no observed adverse effect level
no observed effect level
no observed effect concentration
no observed effect level
nitrogen phosphorous detector
Organisation for Economic Co-operation and Development
organic matter content
pascal
proportion of different food types
predicted environmental concentration
predicted environmental concentration in air
predicted environmental concentration in ground water
predicted environmental concentration in sediment
predicted environmental concentration in soil
predicted environmental concentration in surface water
pH-value
pesticide handler's exposure data
pre-harvest interval
potential inhalation exposure
negative logarithm (to the base 10) of the dissociation constant
Predictive Operator Exposure Model
partition coefficient between
n-octanol
and water
personal protective equipment
parts per million (10
-6
)
plant protection product
proportion of diet obtained in the treated area
partial thromboplastin time
quality control
quantitative structure-activity relationship
coefficient of determination
renewal assessment report
Registration, Evaluation, Authorisation of CHemicals
rapporteur Member State
respiratory protective equipment
residue per unit dose
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Peer review of the pesticide risk assessment of the active substance glyphosate
SANCO
SC
SD
SFO
SL
SSD
STMR
t
1/2
TC
TER
TER
A
TER
LT
TER
ST
TK
TLV
TMDI
TRR
TSH
TWA
UDS
UF
UV
W/S
w/v
w/w
WBC
WG
WHO
wk
wt
yr
Directorate-General for Health and Consumers
suspension concentrate
standard deviation
single first-order
soluble concentrate
species sensitivity distribution
supervised trials median residue
half-life (define method of estimation)
technical material
toxicity exposure ratio
toxicity exposure ratio for acute exposure
toxicity exposure ratio following chronic exposure
toxicity exposure ratio following repeated exposure
technical concentrate
threshold limit value
theoretical maximum daily intake
total radioactive residue
thyroid stimulating hormone (thyrotropin)
time weighted average
unscheduled DNA synthesis
uncertainty factor
ultraviolet
water/sediment
weight per volume
weight per weight
white blood cell
water dispersible granule
World Health Organization
week
weight
year
decrease
increase
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