40 CFR 180.368: Metolachlor and S-metolachlor; tolerances for residues.

(a) General. (1) Tolerances are established for the combined residues (free and bound) of the herbicide metolachlor, 2-chloro-N-(2- ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide, and its metabolites, determined as the derivatives, 2- [(2-ethyl-6- methylphenyl)amino]-1-propanol and 4-(2-ethyl-6-methylphenyl)-2- hydroxy-5-methyl-3-morpholinone, each expressed as the parent compound in the following raw agricultural commodities:

Table 1 to Paragraph (a)(1)

Commodity Parts per million

Almond, hulls 0.3

Animal feed, nongrass, group 18 1

Cattle, fat 0.02

Cattle, kidney 0.2

Cattle, liver 0.05

Cattle, meat 0.02

Cattle, meat byproducts, except kidney and liver 0.04

Corn, field, forage 6

Corn, field, grain 0.1

Corn, field, stover 6

Corn, pop, grain 0.1

Corn, pop, stover 6

Corn, sweet, forage 6

Corn, sweet, kernel plus cob with husks removed 0.1

Corn, sweet, stover 6

Cotton, gin byproducts 4

Cotton, undelinted seed 0.1

Dillweed 0.5

Egg 0.02

Goat, fat 0.02

Goat, kidney 0.2

Goat, liver 0.05

Goat, meat 0.02

Goat, meat byproducts, except kidney and liver 0.04

Grass, forage, fodder and hay, group 17, forage 10

Grass, forage, fodder and hay, group 17, hay 0.2

Horse, fat 0.02

Horse, kidney 0.2

Horse, liver 0.05

Horse, meat 0.02

Horse, meat byproducts, except kidney and liver 0.04

Milk 0.02

Nut, tree, group 14 0.1

Okra 0.5

Peanut 0.2

Peanut, hay 20

Peanut, meal 0.4

Potato 0.2

Poultry, fat 0.02

Poultry, meat 0.02

Poultry, meat byproducts 0.05

Safflower, seed 0.1

Sheep, fat 0.02

Sheep, kidney 0.2

Sheep, liver 0.05

Sheep, meat 0.02

Sheep, meat byproducts, except kidney and liver 0.04

Sorghum, grain, forage 1

Sorghum, grain, grain 0.3

Sorghum, grain, stover 4

Soybean, forage 5

Soybean, hay 8

Soybean, seed 0.2

Tomato 0.1

Vegetable, foliage of legume, except soybean, subgroup 7A 15

Vegetable, legume, group 6 0.3

(2) Tolerances are established for residues of S-metolachlor, including its metabolites and degradates, in or on the commodity(s), as defined. Compliance with the tolerance levels specified in the following table below is to be determined by measuring only the sum of free and bound S-metolachlor, S-2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide, its R-enantiomer, and its metabolites, determined as the derivatives, 2-(2-ethyl-6-methylphenyl)amino-1-propanol and 4-(2-ethyl-6-methylphenyl)-2-hydroxy-5-methyl-3-morpholinone, calculated as the stoichiometric equivalent of S-metolachlor, in or on the commodity.

Table 2 to Paragraph (a)(2)

Commodity Parts per million

Beet, sugar, leaves 15

Beet, sugar, molasses 2

Beet, sugar, roots 0.5

Berry, low growing, subgroup 13-07G, except cranberry 0.4

Brassica, leafy greens, subgroup 4-16B 1.8

Bushberry subgroup 13-07B 0.15

Caneberry subgroup 13-07A 0.1

Carrot, roots 0.4

Cattle, fat 0.02

Cattle, kidney 0.2

Cattle, liver 0.05

Cattle, meat 0.02

Cattle, meat byproducts, except kidney and liver 0.04

Cilantro, fresh leaves 8

Coriander, seed 0.13

Corn, field, forage 40

Corn, field, grain 0.1

Corn, field, stover 40

Corn, pop, grain 0.1

Corn, pop, stover 40

Corn, sweet, forage 6

Corn, sweet, kernel plus cob with husks removed 0.1

Corn, sweet, stover 40

Cotton, gin byproducts 4

Cottonseed subgroup 20C 0.1

Dill, seed 15

Dillweed 5

Dillweed, dried leaves 9

Egg 0.02

Goat, fat 0.02

Goat, kidney 0.2

Goat, liver 0.05

Goat, meat 0.02

Goat, meat byproducts, except kidney and liver 0.04

Grain, aspirated fractions 4

Grass, forage, fodder and hay, group 17, forage 10

Grass, forage, fodder and hay, group 17, hay 0.2

Horse, fat 0.02

Horse, kidney 0.2

Horse, liver 0.05

Horse, meat 0.02

Horse, meat byproducts, except kidney and liver 0.04

Kohlrabi 0.6

Leaf petiole vegetable subgroup 22B 0.1

Lettuce 1.5

Milk 0.02

Onion, bulb, subgroup 3-07A 0.1

Onion, green, subgroup 3-07B 2

Peanut 0.2

Peanut, hay 20

Peanut, meal 0.4

Poultry, fat 0.02

Poultry, meat 0.02

Poultry, meat byproducts 0.05

Rosemary, dried leaves 2

Rosemary, fresh leaves 1.5

Safflower, seed 0.1

Sesame, seed 0.13

Sheep, fat 0.02

Sheep, kidney 0.2

Sheep, liver 0.05

Sheep, meat 0.02

Sheep, meat byproducts, except kidney and liver 0.04

Sorghum, grain, forage 1

Sorghum, grain, grain 0.3

Sorghum, grain, stover 4

Sorghum, sweet, stalk 4

Soybean, forage 5

Soybean, hay 8

Soybean, meal 1.5

Soybean, seed 0.9

Spinach 0.5

Stalk and stem vegetable subgroup 22A, except kohlrabi 0.1

Stevia, dried leaves 15

Sugarcane, cane 0.2

Sugarcane, molasses 1.5

Sunflower, meal 1

Sunflower subgroup 20B 1

Swiss chard 0.15

Tomato, paste 0.3

Vegetable, brassica, head and stem, group 5-16 0.6

Vegetable, cucurbit, group 9 0.5

Vegetable, foliage of legume, except soybean, subgroup 7A 15

Vegetable, fruiting, group 8-10, except tabasco pepper 0.1

Vegetable, leaves of root and tuber, group 2, except sugar beet 2

Vegetable, legume, group 6 0.3

Vegetable, root, except sugar beet, subgroup 1B, except carrot 0.3

Vegetable, tuberous and corm, subgroup 1C 0.2

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. (1) Tolerances with regional registration as defined in 180.1(l) are established for the combined residues (free and bound) of the herbicide metolachlor [2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide] and its metabolites, determined as the derivatives, 2-[2-ethyl-6-methylphenyl)amino]-1-propanol and 4-(2-ethyl-6-methylphenyl)-2-hydroxy-5-methyl-3-morpholinone, each expressed as the parent compound, in or on the following raw agricultural commodities:

Commodity Parts per million

Pepper, nonbell 0.50

(2) Tolerances with regional registration are established for residues of S-metolachlor, including its metabolites and degradates, in or on the commodities identified in the following table below. Compliance with the tolerance levels specified in the following table below is to be determined by measuring only the sum of free and bound S-metolachlor, S-2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide, its R-enantiomer, and its metabolites, determined as the derivatives, 2-(2-ethyl-6-methylphenyl)amino-1-propanol and 4-(2-ethyl-6-methylphenyl)-2-hydroxy-5-methyl-3-morpholinone, calculated as the stoichiometric equivalent of S-metolachlor, in or on the commodity.

Commodity Parts per million

Pepper, tabasco 0.50

(d) Indirect or inadvertent residues. (1) Tolerances are established for the indirect or inadvertent combined residues (free and bound) of the herbicide metolachlor, 2-chloro-N-(2-ethyl-6- methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide, and its metabolites, determined as the derivatives, 2-[(2-ethyl-6-methylphenyl)amino]-1-propanol and 4-(2-ethyl-6-methylphenyl)-2- hydroxy-5-methyl-3-morpholinone, each expressed as the parent compound in the following raw agricultural commodities:

Commodity Parts per million

Animal feed, nongrass, group 18 1.0

Barley, grain 0.10

Barley, hay 0.80

Barley, straw 0.80

Buckwheat, grain 0.10

Millet, forage 0.50

Millet, grain 0.10

Millet, hay 0.80

Millet, straw 0.80

Oat, forage 0.50

Oat, grain 0.10

Oat, hay 0.80

Oat, straw 0.80

Rice, grain 0.10

Rye, forage 0.50

Rye, grain 0.10

Rye, straw 0.80

Wheat, forage 0.50

Wheat, grain 0.10

Wheat, hay 0.80

Wheat, straw 0.80

(2) Tolerances for are established for the indirect or inadvertent residues of S-metolachlor, including its metabolites and degradates, in or on the commodities identified in the following table below. Compliance with the tolerance levels specified in the following table below is to be determined by measuring only the sum of free and bound S-metolachlor, S-2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide, its R-enantiomer, and its metabolites, determined as the derivatives, 2-(2-ethyl-6-methylphenyl)amino-1-propanol and 4-(2-ethyl-6-methylphenyl)-2-hydroxy-5-methyl-3-morpholinone, calculated as the stoichiometric equivalent of S-metolachlor, in or on the commodity.

Commodity Parts per million

Animal feed, nongrass, group 18 1.0

Barley, grain 0.10

Barley, hay 0.50

Barley, straw 0.50

Buckwheat, grain 0.10

Millet, forage 0.50

Millet, grain 0.10

Millet, hay 0.50

Millet, straw 0.50

Oat, forage 0.50

Oat, grain 0.10

Oat, hay 0.50

Oat, straw 0.50

Rice, grain 0.10

Rye, forage 0.50

Rye, grain 0.10

Rye, straw 0.50

Wheat, forage 0.50

Wheat, grain 0.10

Wheat, hay 0.50

Wheat, straw 0.50