(a) General. Tolerances are established for residues of the herbicide dimethenamid, 1(R,S)-2-chloro-N-[(1-methyl-2-methoxy)ethyl]-N-(2,4-dimethylthien-3-yl)-acetamide, applied as either the 90:10 or 50:50 S:R isomers, in or on the following food commodities:

Open Table
Commodity Parts per million
Bean, dry, seed 0.01
Beet, garden, roots 0.01
Beet, garden, tops 0.01
Beet, sugar, dried pulp 0.01
Beet, sugar, molasses 0.01
Beet, sugar, roots 0.01
Beet, sugar, tops 0.01
Corn, field, forage 0.01
Corn, field, grain 0.01
Corn, field, stover 0.01
Corn, pop, forage 0.01
Corn, pop, grain 0.01
Corn, pop, stover 0.01
Corn, sweet, forage 0.01
Corn, sweet, kernel plus cob with husks removed 0.01
Corn, sweet, stover 0.01
Cotton, gin byproducts 1.5
Cottonseed subgroup 20C 0.01
Garlic 0.01
Grass, forage 0.15
Grass, hay 2.5
Grass, seed screenings 0.01
Grass, straw 0.01
Hop, dried cones 0.05
Horseradish 0.01
Leek 0.01
Onion, bulb 0.01
Onion, green 0.01
Onion, Welsh 0.01
Peanut 0.01
Peanut, hay 0.01
Radish, roots 0.01
Radish, tops 0.01
Rutabaga, roots 0.01
Rutabaga, tops 0.1
Shallot, bulb 0.01
Shallot, fresh leaves 0.01
Sorghum, grain, forage 0.01
Sorghum, grain, grain 0.01
Sorghum, grain, stover 0.01
Soybean, seed 0.01
Turnip, greens 0.1
Turnip, roots 0.01
Turnip, tops 0.1
Vegetable, tuberous and corm, subgroup 1C 0.01

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. Tolerances with regional registration are established for residues of dimethenamid, 1 (R,S)-2-chloro-N-[(1-methyl-2-methoxy) ethyl]-N-(2,4-dimethylthien-3-yl)-acetamide) in or on the following raw agricultural commodities:

Open Table
Commodity Parts per million
Pumpkin 0.01
Squash, winter 0.01

(d) Indirect or inadvertent residues. [Reserved]

[65 FR 51551, Aug. 24, 2000, as amended at 67 FR 46884, July 17, 2002; 69 FR 29459, May 24, 2004; 69 FR 57207, Sept. 24, 2004; 70 FR 24712, May 11, 2005; 71 FR 25942, May 3, 2006; 71 FR 49354, Aug. 23, 2006; 72 FR 44388, Aug. 8, 2007; 72 FR 73630, Dec. 28, 2007; 80 FR 9215, Feb. 20, 2015]


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