(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:

Open Table
Commodity Parts per million
Alfalfa, forage 2.0
Alfalfa, hay 7.0
Asparagus 0.1
Barley, grain 0.75
Barley, hay 7.0
Barley, pearled barley 3.0
Barley, straw 1.0
Carrot, roots 0.3
Cattle, fat 0.7
Cattle, meat 0.7
Cattle, meat byproducts 0.7
Corn, field, forage 0.1
Corn, field, grain 0.05
Corn, field, stover 0.1
Corn, pop, grain 0.05
Corn, sweet, forage 0.1
Corn, sweet, kernel plus cob with husks removed 0.05
Corn, sweet, stover 0.1
Egg 0.01
Goat, fat 0.7
Goat, meat 0.7
Goat, meat byproducts 0.7
Grass, forage 2.0
Grass, hay 7.0
Hog, fat 0.7
Hog, meat 0.7
Hog, meat byproducts 0.7
Horse, fat 0.7
Horse, meat 0.7
Horse, meat byproducts 0.7
Lentil 0.05
Milk 0.05
Pea, dry, seed 0.05
Pea, field, hay 4.0
Pea, field, vines 0.5
Pea, succulent 0.1
Potato 0.6
Potato, chips 3.0
Potato, processed potato waste 3.0
Poultry, fat 0.7
Poultry, meat 0.7
Poultry, meat byproducts 0.7
Sainfoin, forage 2.0
Sainfoin, hay 7.0
Sheep, fat 0.7
Sheep, meat 0.7
Sheep, meat byproducts 0.7
Soybean, seed 0.3
Soybean, forage 4.0
Soybean, hay 4.0
Sugarcane, cane 0.1
Sugarcane, molasses 2.0
Tomato 0.1
Wheat, bran 3.0
Wheat, forage 2.0
Wheat, germ 3.0
Wheat, grain 0.75
Wheat, hay 7.0
Wheat, middlings 3.0
Wheat, shorts 3.0
Wheat, straw 1.0

(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]


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