Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 180.332 - Metribuzin; tolerances for residues.

(a) General. Tolerances are established for combined residues of the herbicide metribuzin (4-amino-6-(1,1-dimethyl- ethyl)-3-(methylthio)-;1,2,4-triazin-5(4H)-one) and its triazinone metabolites in or on food commodities:

Commodity Parts per million
Alfalfa, forage2.0
Alfalfa, hay7.0
Asparagus0.1
Barley, grain0.75
Barley, hay7.0
Barley, pearled barley3.0
Barley, straw1.0
Carrot, roots0.3
Cattle, fat0.7
Cattle, meat0.7
Cattle, meat byproducts0.7
Corn, field, forage0.1
Corn, field, grain0.05
Corn, field, stover0.1
Corn, pop, grain0.05
Corn, sweet, forage0.1
Corn, sweet, kernel plus cob with husks removed0.05
Corn, sweet, stover0.1
Egg0.01
Goat, fat0.7
Goat, meat0.7
Goat, meat byproducts0.7
Grass, forage2.0
Grass, hay7.0
Hog, fat0.7
Hog, meat0.7
Hog, meat byproducts0.7
Horse, fat0.7
Horse, meat0.7
Horse, meat byproducts0.7
Lentil0.05
Milk0.05
Pea, dry, seed0.05
Pea, field, hay4.0
Pea, field, vines0.5
Pea, succulent0.1
Potato0.6
Potato, chips3.0
Potato, processed potato waste3.0
Poultry, fat0.7
Poultry, meat0.7
Poultry, meat byproducts0.7
Sainfoin, forage2.0
Sainfoin, hay7.0
Sheep, fat0.7
Sheep, meat0.7
Sheep, meat byproducts0.7
Soybean, seed0.3
Soybean, forage4.0
Soybean, hay4.0
Sugarcane, cane0.1
Sugarcane, molasses2.0
Tomato0.1
Wheat, bran3.0
Wheat, forage2.0
Wheat, germ3.0
Wheat, grain0.75
Wheat, hay7.0
Wheat, middlings3.0
Wheat, shorts3.0
Wheat, straw1.0

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[42 FR 62913, Dec. 14, 1977, as amended at 43 FR 41396, Sept. 18, 1978; 44 FR 26744, May 7, 1979; 44 FR 45387, Aug. 2, 1979; 52 FR 23654, June 24, 1987; 55 FR 26440, June 28, 1990; 62 FR 66024, 66025, Dec. 17, 1997; 65 FR 33698, May 24, 2000; 66 FR 63198, Dec. 5, 2001; 67 FR 49617, July 31, 2002]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.332