40 CFR 180.418: Cypermethrin and isomers alpha-cypermethrin and zeta-cypermethrin; tolerances for residues.

(a) General. (1) Tolerances are established for residues of cypermethrin, (±)alpha cyano-(3-phenoxyphenyl)methyl (±)cis,trans-3(2,2-dichloroethenyl-2,2-dimethylcyclopropanecarboxylate, including its metabolites and degradates, in or on the commodities in table 1 to paragraph (a). Compliance with the tolerance levels specified in the following table is to be determined by measuring only total cypermethrin, cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane carboxylate, in or on the commodity.

Table 1 to Paragraph (a)

Commodity Parts per million

Allspice 1 0.5

Angelica, seed 1 0.2

Anise pepper 1 0.5

Asafoetida 1 0.2

Ashwagandha fruit 1 0.5

Batavia-casia, fruit 1 0.5

Belleric myrobalan 1 0.5

Brassica, head and stem, subgroup 5A 2.0

Brassica, leafy greens, subgroup 5B 14.0

Cacao, dried bean 1 0.05

Calamus-root 1 0.2

Caper buds 1 0.5

Cardamom, black 1 0.5

Cardamom, Ethiopian 1 0.5

Cardamom, green 1 0.5

Cardamom, Nepal 1 0.5

Cardamom-amomum 1 0.5

Cassia, fruit 1 0.5

Cassia, Chinese, fruit 1 0.5

Cattle, fat 1.0

Cattle, meat 0.2

Cattle, meat byproducts 0.05

Chaste tree, Chinese, roots 1 0.2

Chinese hawthorne 1 0.5

Chinese-pepper 1 0.5

Cinnamon, fruit 1 0.5

Cinnamon, Saigon, fruit 1 0.5

Coptis 1 0.2

Coriander, fruit 1 0.5

Coriander, seed 1 0.2

Cotton, gin byproducts 11.0

Cotton, undelinted seed 0.5

Cumin, black 1 0.5

Dorrigo pepper, berry 1 0.5

Dorrigo pepper, leaf 1 0.5

Durian1 1

Egg 0.05

Eucalyptus 1 0.5

Fingerroot 1 0.2

Gamboge 1 0.5

Grains of Selim 1 0.5

Goat, fat 1.0

Goat, meat 0.2

Goat, meat byproducts 0.05

Hog, fat 0.1

Hog, meat 0.05

Horse, fat 1.0

Horse, meat 0.2

Horse, meat byproducts 0.05

Jalap 1 0.2

Juniper, berry 1 0.5

Lettuce, head 4.0

Lovage, root 1 0.2

Lovage, seed 1 0.2

Milk, fat (reflecting 0.10 in whole milk) 2.5

Miracle fruit 1 0.5

Onion, bulb 0.1

Onion, green 6.0

Pecan 0.05

Pepper, black 1 0.5

Pepper, Indian long 1 0.5

Pepper, Javanese, long 1 0.5

Pepper, pink 1 0.5

Pepper, Sichuan 1 0.5

Pepper, white 1 0.5

Pepperbush berry 1 0.5

Pepperbush leaf 1 0.5

Peppercorn, green 1 0.5

Peppertree 1 0.5

Peppertree, Peruvian 1 0.5

Poultry, fat 0.05

Poultry, meat 0.05

Saunders, red 1 0.5

Sheep, fat 1.0

Sheep, meat 0.2

Sheep, meat byproducts 0.05

Sumac, fragrant 1 0.5

Sumac, smooth, leaf 1 0.5

Tamarind, seed 1 0.5

Tasmanian, pepper, berry 1 0.5

Tea, dried 1 15

Tsaoko 1 0.5

Vanilla 1 0.5

Yellow gentian, roots 1 0.2

1 There are no U.S. registrations as of July 17, 2025.

(2) Tolerances are established for residues of zeta-cypermethrin, (S-cyano(3-phenoxyphenyl) methyl (±))(cis-trans 3-(2,2-dichloroethenyl)-2,2 dimethylcyclopropanecarboxylate), including its metabolites and degradates, in or on the commodities in the following table. Compliance with the tolerance levels specified in the following table is to be determined by measuring only total cypermethrin, cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane carboxylate, in or on the commodity.

Table 2 to Paragraph (a)(2)

Commodity Parts per million

Alfalfa, forage 15

Alfalfa, hay 30

Alfalfa, seed 0.50

Almond, hulls 6

Animal feed, nongrass, group 18, forage 8

Animal feed, nongrass, group 18, hay 40

Artichoke, globe 0.60

Avocado 0.50

Barley, grain 3.0

Barley, hay 6.0

Barley, straw 20.0

Basil, dried leaves 40

Basil, fresh leaves 7

Bean, adzuki, dry seed 0.05

Bean, American potato, dry seed 0.05

Bean, asparagus, dry seed 0.05

Bean, asparagus, edible podded 0.7

Bean, black, dry seed 0.05

Bean, broad, dry seed 0.05

Bean, broad, succulent shelled 0.1

Bean, catjang, dry seed 0.05

Bean, catjang, edible podded 0.7

Bean, catjang, succulent shelled 0.1

Bean, cranberry, dry seed 0.05

Bean, dry, dry seed 0.05

Bean, field, dry seed 0.05

Bean, French, dry seed 0.05

Bean, French, edible podded 0.7

Bean, garden, dry seed 0.05

Bean, garden, edible podded 0.7

Bean, goa, dry seed 0.05

Bean, goa, edible podded 0.7

Bean, goa, succulent shelled 0.1

Bean, great northern, dry seed 0.05

Bean, green, dry seed 0.05

Bean, green, edible podded 0.7

Bean, guar, dry seed 0.05

Bean, guar, edible podded 0.7

Bean, kidney, dry seed 0.05

Bean, kidney, edible podded 0.7

Bean, lablab, dry seed 0.05

Bean, lablab, edible podded 0.7

Bean, lablab, succulent shelled 0.1

Bean, lima, dry seed 0.05

Bean, lima, succulent shelled 0.1

Bean, morama, dry seed 0.05

Bean, moth, dry seed 0.05

Bean, moth, edible podded 0.7

Bean, moth, succulent shelled 0.1

Bean, mung, dry seed 0.05

Bean, mung, edible podded 0.7

Bean, navy, dry seed 0.05

Bean, navy, edible podded 0.7

Bean, pink, dry seed 0.05

Bean, pinto, dry seed 0.05

Bean, red, dry seed 0.05

Bean, rice, dry seed 0.05

Bean, rice, edible podded 0.7

Bean, scarlet runner, dry seed 0.05

Bean, scarlet runner, edible podded 0.7

Bean, scarlet runner, succulent shelled 0.1

Bean, snap, edible podded 0.7

Bean, sword, dry seed 0.05

Bean, sword, edible podded 0.7

Bean, tepary, dry seed 0.05

Bean, urd, dry seed 0.05

Bean, urd, edible podded 0.7

Bean, wax, edible podded 0.7

Bean, wax, succulent shelled 0.1

Bean, yardlong, dry seed 0.05

Bean, yardlong, edible podded 0.7

Bean, yellow, dry seed 0.05

Beet, sugar, roots 0.05

Beet, sugar, tops 0.20

Brassica, leafy greens, subgroup 4-16B 14

Buckwheat, grain 3.0

Buckwheat, hay 6.0

Buckwheat, straw 20.0

Bushberry subgroup 13-07B 0.8

Caneberry subgroup 13-07A 0.8

Canistel 0.50

Castor oil plant, refined oil 0.4

Cattle, fat 1.00

Cattle, meat 0.2

Cattle, meat byproducts 0.05

Celtuce 10

Chickpea, dry seed 0.05

Chickpea, edible podded 0.7

Chickpea, succulent shelled 0.1

Chinese tallowtree, refined oil 0.4

Citrus, dried pulp 1.8

Citrus, oil 4.0

Corn, field, forage 9.0

Corn, field, grain 0.05

Corn, field, stover 30

Corn, pop, grain 0.05

Corn, pop, stover 30

Corn, sweet, forage 15.00

Corn, sweet, kernel plus cob with husks removed 0.05

Corn, sweet, stover 15.00

Cottonseed subgroup 20C 0.5

Cowpea, dry seed 0.05

Cowpea, edible podded 0.7

Cowpea, succulent shelled 0.1

Egg 0.05

Euphorbia, refined oil 0.4

Evening primrose, refined oil 0.4

Fennel, Florence, fresh leaves and stalk 10

Food commodities/feed commodities (other than those covered by a higher tolerance as a result of use on growing crops) in food/feed handling establishments 0.05

Fruit, citrus, group 10 1 0.35

Fruit, pome, group 11-10 2

Fruit, small, vine climbing, except fuzzy kiwifruit, subgroup 13-07F 2

Fruit, stone, group 12-12 2

Goat, fat 1.00

Goat, meat 0.2

Goat, meat byproducts 0.05

Grain, aspirated fractions 10.0

Gram, horse, dry seed 0.05

Grapefruit subgroup 10-10C 0.5

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

Grass, forage, fodder and hay, group 17, hay 35

Grass pea, dry seed 0.05

Grass pea, edible podded 0.7

Hog, fat 0.1

Hog, meat 0.05

Horse, fat 1.00

Horse, meat 0.2

Horse, meat byproducts 0.05

Jackbean, dry seed 0.05

Jackbean, edible podded 0.7

Jackbean, succulent shelled 0.1

Jojoba, refined oil 0.4

Kohlrabi 2

Leaf petiole vegetable subgroup 22B 10

Leafy greens subgroup 4-16A 10

Lemon/Lime subgroup 10-10B 0.3

Lentil, dry seed 0.05

Lentil, edible podded 0.7

Lentil, succulent shelled 0.1

Longbean, Chinese, dry seed 0.05

Longbean, Chinese, edible podded 0.7

Lupin, Andean, dry seed 0.05

Lupin, Andean, succulent shelled 0.1

Lupin, blue, dry seed 0.05

Lupin, blue, succulent shelled 0.1

Lupin, grain, dry seed 0.05

Lupin, grain, succulent shelled 0.1

Lupin, sweet white, dry seed 0.05

Lupin, sweet white, succulent shelled 0.1

Lupin, sweet, dry seed 0.05

Lupin, sweet, succulent shelled 0.1

Lupin, white, dry seed 0.05

Lupin, white, succulent shelled 0.1

Lupin, yellow, dry seed 0.05

Lupin, yellow, succulent shelled 0.1

Mango 0.70

Milk, fat (reflecting 0.10 in whole milk) 2.50

Niger seed, refined oil 0.4

Nut, tree, group 14-12 0.05

Oat, grain 3.0

Oat, hay 6.0

Oat, straw 20.0

Onion, bulb, subgroup 3-07A 0.1

Onion, green, subgroup 3-07B 3

Orange subgroup 10-10A 0.3

Papaya 0.50

Pea, blackeyed, dry seed 0.05

Pea, blackeyed, succulent shelled 0.1

Pea, crowder, dry seed 0.05

Pea, crowder, succulent shelled 0.1

Pea, dry, dry seed 0.05

Pea, dwarf, edible podded 0.7

Pea, English, succulent shelled 0.1

Pea, field, dry seed 0.05

Pea, garden, dry seed 0.05

Pea, garden, succulent shelled 0.1

Pea, green, dry seed 0.05

Pea, green, edible podded 0.7

Pea, green, succulent shelled 0.1

Pea, pigeon, dry seed 0.05

Pea, pigeon, edible podded 0.7

Pea, pigeon, succulent shelled 0.1

Pea, snap, edible podded 0.7

Pea, snow, edible podded 0.7

Pea, southern, dry seed 0.05

Pea, southern, succulent shelled 0.1

Pea, sugar snap, edible podded 0.7

Pea, winged, dry seed 0.05

Pea, winged, edible podded 0.7

Peanut 0.05

Poultry, fat 0.05

Poultry, meat 0.05

Quinoa, grain 3

Quinoa, hay 6

Quinoa, straw 20

Rapeseed subgroup 20A 0.2

Rice, grain 1.50

Rice, hulls 6.00

Rice, wild, grain 1.5

Rose hip, refined oil 0.4

Rye, grain 3.0

Rye, hay 6.0

Rye, straw 20.0

Sapodilla 0.50

Sapote, black 0.50

Sapote, mamey 0.50

Sheep, fat 1.00

Sheep, meat 0.2

Sheep, meat byproducts 0.05

Sorghum, grain, forage 0.1

Sorghum, grain, grain 0.5

Sorghum, grain, stover 5.0

Soybean, seed 0.05

Soybean, vegetable, dry seed 0.05

Soybean, vegetable, edible podded 0.7

Soybean, vegetable, succulent shelled 0.1

Star apple 0.50

Stokes aster, refined oil 0.4

Sugarcane, cane 0.60

Sunflower subgroup 20B 0.2

Sunflower, refined oil 0.5

Tallowwood, refined oil 0.4

Tea oil plant, refined oil 0.4

Teff, forage 3

Teff, grain 0.3

Teff, hay 6

Teff, straw 7

Vegetable, brassica, head and stem, group 5-16 2

Vegetable, cucurbit, group 9 0.2

Vegetable, fruiting, group 8-10 0.2

Vegetable, root and tuber, group 1, except sugar beet 0.1

Velvetbean, dry seed 0.05

Velvetbean, edible podded 0.7

Velvetbean, succulent shelled 0.1

Vernonia, refined oil 0.4

Wheat, forage 3.0

Wheat, grain 0.2

Wheat, hay 6.0

Wheat, straw 7.0

Yam bean, African, dry seed 0.05

1 This tolerance expires on February 4, 2022.

(3) Tolerances are established for residues of the insecticide, alpha-cypermethrin, (R)-cyano(3-phenoxyphenyl)methyl (1S,3S)-rel-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane carboxylate, including its metabolites and degradates, in or on the commodities in the table below. Compliance with the tolerance levels specified below is to be determined by measuring only total cypermethrin, cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane carboxylate, in or on the commodity.

Table 3 to Paragraph (a)(3)

Commodity Parts per million

Alfalfa, hay 15

Beet, sugar, roots 0.05

Beet, sugar, tops 0.20

Brassica, head and stem, subgroup 5A 2.0

Cattle, fat 1.0

Cattle, meat 0.20

Cattle, meat byproducts 0.05

Citrus, dried pulp 1.8

Citrus, oil 4.0

Corn, field, grain 0.05

Corn, pop, grain 0.05

Corn, sweet, kernel plus cob with husks removed 0.05

Cotton, undelinted seed 0.50

Egg 0.05

Food commodities/feed commodities (other than those covered by a higher tolerance as a results of use on growing crops) in food/feed handling establishments 0.05

Fruit, citrus, group 10-10 0.35

Goat, fat 1.0

Goat, meat 0.20

Goat, meat byproducts 0.05

Hog, fat 0.10

Hog, meat 0.05

Horse, fat 1.0

Horse, meat 0.20

Horse, meat byproducts 0.05

Milk, fat, reflecting 0.10 ppm in whole milk 2.5

Nut, tree, group 14-12 0.05

Pea and bean, dried shelled, except soybean, subgroup 6C 0.05

Pea and bean, succulent shelled, subgroup 6B 0.10

Poultry, fat 0.05

Poultry, meat 0.05

Rice, grain 1.5

Sheep, fat 1.0

Sheep, meat 0.20

Sheep, meat byproducts 0.05

Sorghum, grain, grain 0.50

Soybean, seed 0.05

Vegetable, cucurbit, group 9 0.20

Vegetable, fruiting, group 8-10 0.20

Vegetable, leafy, group 4 10

Vegetable, legume, edible podded, subgroup 6A 0.50

Vegetable, root and tuber, group 1, except sugar beet 0.10

Wheat, grain 0.20

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]