Regulations last checked for updates: May 18, 2024

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

(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:

Commodity Parts per million
Bean, dry, seed0.01
Beet, garden, roots0.01
Beet, garden, tops0.01
Beet, sugar, dried pulp0.01
Beet, sugar, molasses0.01
Beet, sugar, roots0.01
Beet, sugar, tops0.01
Corn, field, forage0.01
Corn, field, grain0.01
Corn, field, stover0.01
Corn, pop, forage0.01
Corn, pop, grain0.01
Corn, pop, stover0.01
Corn, sweet, forage0.01
Corn, sweet, kernel plus cob with husks removed0.01
Corn, sweet, stover0.01
Cotton, gin byproducts1.5
Cottonseed subgroup 20C0.01
Garlic0.01
Grass, forage0.15
Grass, hay2.5
Grass, seed screenings0.01
Grass, straw0.01
Hop, dried cones0.05
Horseradish0.01
Leek0.01
Onion, bulb0.01
Onion, green0.01
Onion, Welsh0.01
Peanut0.01
Peanut, hay0.01
Radish, roots0.01
Radish, tops0.01
Rutabaga, roots0.01
Rutabaga, tops0.1
Shallot, bulb0.01
Shallot, fresh leaves0.01
Sorghum, grain, forage0.01
Sorghum, grain, grain0.01
Sorghum, grain, stover0.01
Soybean, seed0.01
Turnip, greens0.1
Turnip, roots0.01
Turnip, tops0.1
Vegetable, tuberous and corm, subgroup 1C0.01

(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:

Commodity Parts per million
Pumpkin0.01
Squash, winter0.01

(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]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.464