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. 2018 May 17;16(5):e05263. doi: 10.2903/j.efsa.2018.5263
Crop Region/indoora Residue levels observed in the supervised residue trials relevant to the supported GAPs (mg/kg) Recommendations/comments (OECD calculations) MRL proposals (mg/kg) HRMo (mg/kg)b STMRMo (mg/kg)c CFd

Genetically modified GAT crops

RD‐enforcement 1=RD‐enforcement 2: sum of glyphosate, AMPA and N‐acetyl‐glyphosate, expressed as glyphosate

Values into parentheses refer to the residues of N‐acetyl‐glyphosate only

Rapeseeds Import (CAN)

Mo: 0.8; 0.86; 14.76; 1.48; 2.48; 3.71; 1.81; 2.72; 2.73; 3.10; 3.49; 4.92; 5.61; 10.38; 9.23

RA: 0.85; 0.91; 15.1; 1.53; 2.53; 3.76; 1.86; 2.77; 2.78; 3.15; 3.54; 4.97; 5.66; 10.43; 9.28

Trials on rapeseeds compliant with GAP (Germany, 2013a)

MRLOECD: 20.43.

Glyphosate ranged from 0.41 to 8.95 mg/kg

N‐acetyl‐glyphosate ranged from 0.46 to 14 mg/kg.

AMPA ranged from < 0.05 to 0.082 mg/kg

N‐acetyl‐AMPA always below or at 0.05 mg/kg, apart from 1 sample (0.34) mg/kg

20e,f

(20)e

14.8

(14)

3.1

(0.46)

1

Soybeans Import (USA)

Mo: < 0.15; 0.28; 0.41; 0.48; 0.59; 0.76; 0.77; 0.93; 0.96; 1.01; 1.13; 1.16; 1.19; 1.36; 1.70; 1.80; 1.87; 1.92; 2.04; 2.07; 2.54; 2.54; 2.62; 2.92; 3.11; 3.31; 3.47; 4.42; 5.27; 5.55; 5.77; 5.94; 6.05; 6.19; 6.77; 8.07

RA: < 0.20; 0.33; 0.49; 0.64; 0.73; 0.82; 0.86; 1.04; 1.19; 1.19; 1.26; 1.30; 1.42; 1.52; 2.02; 2.04; 2.18; 2.04; 2.36; 2.21; 3.03; 3.08; 2.9; 3.01; 3.53; 3.59; 3.6; 5.52; 5.65; 5.66; 6.13; 6.82; 6.87; 6.61; 8.07; 8.64

Trials on soyabeans compliant with GAP (Germany, 2009.)

MRLOECD: 11.36

Glyphosate ranged from < 0.05 to 1.7 mg/kg

N‐acetyl‐glyphosate ranged from < 0.05 to 7.9 mg/kg.

AMPA ranged from < 0.05 to 0.16 mg/kg.

N‐acetyl‐AMPA ranged from < 0.05 to 1.3 mg/kg

15e,g

(15)e

8.07

(7.9)

1.98

(1.65)

1.1

Maize, grain Import (US)

Mo: < 0.06; < 0.06; 0.06; 0.06; 0.07; 0.07; 0.07; 0.07; 0.07; 0.07; 0.07; 0.07; 0.08; 0.08; 0.08; 0.08; 0.08; 0.08; 0.08; 0.09; 0.09; 0.09; 0.09; 0.09; 0.1; 0.1; 0.1; 0.11; 0.11; 0.13; < 0.15; < 0.15; < 0.15; < 0.15; 0.15; 0.15; 0.16; 0.17; 0.17; 0.18; 0.2; 0.21; 0.25; 0.3; 0.34; 0.4; 0.56

RA: < 0.08; < 0.08; 0.08; 0.08; 0.09; 0.09; 0.09; 0.09; 0.09; 0.09; 0.09; 0.09; 0.1; 0.1; 0.1; 0.1; 0.1; 0.1; 0.1; 0.11; 0.11; 0.11; 0.11; 0.11; 0.12; 0.12; 0.12; 0.13; 0.13; 0.15; 0.17; < 0.2; < 0.2; < 0.2; < 0.2; 0.2; 0.21; 0.22; 0.22; 0.23; 0.25; 0.23; 0.3; 0.32; 0.36; 0.43; 0.6

Trials on maize compliant with GAP (Germany, 2009).

MRLOECD: 0.56

Glyphosate ranged from < 0.02 to 0.08 mg/kg

N‐acetyl‐glyphosate ranged from < 0.02 to 0.52 mg/kg.

AMPA always below or at the LOQs of 0.02 and 0.05 mg/kg

N‐acetyl‐AMPA always below or at the LOQs of 0.02 and 0.05 mg/kg apart from 2 samples (0.03 and 0.04 mg/kg).

0.6e,h

(0.6)e

0.56

(0.52)

0.09

(0.04)

1.2

Maize, stover Import (US) Cereals straw not relevant for import tolerance GAP

GAP: Good Agricultural Practice; OECD: Organisation for Economic Co‐operation and Development; MRL: maximum residue level.

*Indicates that the MRL is proposed at the limit of quantification.

a

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.

b

Highest residue according to the residue definition for monitoring.

c

Supervised trials median residue according to the residue definition for monitoring.

d

Conversion factor for risk assessment; median of the individual conversion factors at the supported PHI for each residues trial (unless otherwise specified).

e

MRLs are tentative because confirmatory methods for analysis of N‐acetyl‐glyphosate and AMPA are still required.

f

In case risk managers wish to restrict the RD to glyphosate and AMPA only, an MRL of 15 mg/kg would be sufficient to accommodate the new use on GAT rapeseeds.

g

In case risk managers wish to restrict the RD to glyphosate and AMPA only, an MRL of 2 mg/kg would be sufficient to accommodate the new use on GAT soybeans.

h

In case risk managers wish to restrict the RD to glyphosate and AMPA only, an MRL of 0.2 mg/kg would be sufficient to accommodate the new use on GAT maize.