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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 180.111: Malathion; tolerances for residues.

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER E—PESTICIDE PROGRAMS
  4. PART 180—TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD
  5. Subpart C—Specific Tolerances

(a) General. (1) Tolerances are established for residues of the insecticide malathion (O,O-dimethyl dithiophosphate of diethyl mercaptosuccinate) in or on the following food commodities:

Commodity Parts per million

Alfalfa, forage 135

Alfalfa, hay 135

Almond, hulls 50

Almond, postharvest 8

Apple 8

Apricot 8

Asparagus 8

Avocado 8

Barley, grain, postharvest 8

Bean, dry, seed 8

Bean, succulent 8

Beet, garden, roots 8

Beet, garden, tops 8

Beet, sugar, roots 1

Beet, sugar, tops 8

Blackberry 8

Blueberry 8

Boysenberry 8

Carrot, roots 8

Chayote, fruit 8

Chayote, roots 8

Cherry 8

Chestnut 1

Clover, forage 135

Clover, hay 135

Corn, field, forage 8

Corn, field, grain, postharvest 8

Corn, pop, grain, postharvest 8

Corn, sweet, forage 8

Corn, sweet, kernel plus cob with husks removed 2

Cowpea, forage 135

Cowpea, hay 135

Cranberry 8

Cucumber 8

Currant 8

Date, dried fruit 8

Dewberry 8

Eggplant 8

Fig 8

Flax, seed 0.1

Garlic, bulb 8

Gooseberry 8

Grape 8

Grapefruit 8

Guava 8

Hazelnut 1

Hop, dried cones 1

Horseradish 8

Kumquat 8

Leek 8

Lemon 8

Lentil, seed 8

Lespedeza, hay 135

Lime 8

Loganberry 8

Lupin, seed 8

Mango 8

Melon 8

Mushroom 8

Nectarine 8

Nut, macadamia 1

Oat, grain, postharvest 8

Okra 8

Onion, bulb 8

Onion, green 8

Orange 8

Papaya 1

Parsnip 8

Passionfruit 8

Pea 8

Pea, field, hay 8

Pea, field, vines 8

Peach 8

Peanut, hay 135

Peanut, postharvest 8

Pear 8

Pecan 8

Pepper 8

Peppermint, tops 8

Pineapple 8

Plum 8

Plum, prune 8

Potato 8

Pumpkin 8

Quince 8

Radish 8

Raspberry 8

Rice, grain, postharvest 8

Rice, wild 8

Rutabaga 8

Rye, grain, postharvest 8

Safflower, seed 0.2

Salsify, roots 8

Salsify, tops 8

Shallot, bulb 8

Sorghum, grain, forage 8

Sorghum, grain, grain, postharvest 8

Soybean, forage 135

Soybean, hay 135

Soybean, seed 8

Soybean, vegetable, succulent 8

Spearmint, tops 8

Squash, summer 8

Squash, winter 8

Strawberry 8

Sunflower, seed, postharvest 8

Sweet potato, roots 1

Tangerine 8

Tomato 8

Trefoil, forage 135

Trefoil, hay 135

Turnip, greens 8

Turnip, roots 8

Vegetable, brassica, leafy, group 5 8

Vegetable, leafy, except brassica, group 4 8

Vetch, hay 135

Walnut 8

Wheat, grain, postharvest 8

(2) Tolerances are established for the combined residues of the insecticide malathion (O,O-dimethyl dithiophosphate of diethyl mercaptosuccinate) and its metabolite, malaoxon (O,O-dimethyl thiophosphate of diethyl mercaptosuccinate), in or on the following food commodities:

Commodity Parts per million

Barley, straw 50

Corn, field, stover 30.0

Cotton, undelinted seed 20.0

Grass, forage 200

Grass, hay 270

Oat, forage 4.0

Oat, straw 50

Rye, forage 4.0

Rye, straw 50

Watercress 0.2

Wheat, forage 4.0

Wheat, straw 50

(3) Tolerances are established for residues of the insecticide malathion (O,O-dimethyl dithiophosphate of diethyl mercaptosuccinate), in or on the following food commodities:

Commodity Parts per million

Cattle, fat 4

Cattle, meat1 4

Cattle, meat byproducts1 4

Egg 0.1

Goat, fat 4

Goat, meat1 4

Goat, meat byproducts1 4

Hog, fat 4

Hog, meat1 4

Hog, meat byproducts1 4

Horse, fat 4

Horse, meat1 4

Horse, meat byproducts1 4

Milk, fat 0.5

Poultry, fat 4

Poultry, meat1 4

Poultry, meat byproducts1 4

Sheep, fat 4

Sheep, meat1 4

Sheep, meat byproducts1 4

1 The tolerance level shall not be exceeded in any cut of meat or in any meat byproducts from cattle, goat, hog, horse, poultry, or sheep.

(4) Malathion may be safely used in accordance with the following conditions:

(i) It is incorporated into paper trays in amounts not exceeding 100 milligrams per square foot.

(ii) Treated paper trays are intended for use only in the drying of grape (raisins).

(iii) Total residues of malathion resulting from drying of grape on treated trays and from application to grape before harvest shall not exceed 12 parts per million on processed ready-to-eat raisins.

(5) Residues of malathion in safflower, refined oil from application to the growing safflower plant shall not exceed 0.6 parts per million.

(6) Malathion may be safely used for the control of insects during the drying of grape (raisins) in compliance with paragraph (a)(4) of this section by incorporation into paper trays in amounts not exceeding 100 milligrams per square foot.

(7) Malathion (O,O-dimethyl dithiophosphate of diethyl mercaptosuccinate) may be safely used in feed in accordance with the following conditions.

(i) A tolerance of 50 parts per million is established for residues of malathion in citrus, dried pulp for cattle feed, when present as the result of the application of the pesticide to bagged citrus pulp during storage. Whether or not tolerances for residues of malathion on the fresh fruit have been established under section 408 of the Act, the total residue of malathion in the citrus, dried pulp shall not exceed 50 parts per million.

(ii) A tolerance of 10 parts per million is established for malathion in nonmedicated cattle feed concentrate blocks resulting from its application as a pesticide to paper used in packaging the nonmedicated cattle feed concentrate blocks.

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

Collected 2026-08-27T02:26:04Z. Source file · JSON

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