(a) General. Tolerances are established for residues of acetochlor, including its metabolites and degradates, in or on the commodities in the table below. Compliance with the tolerance levels specified below is to be determined by measuring only acetochlor, 2-chloro-2'-methyl-6-ethyl-N-ethoxymethylacetanilide, and its metabolites containing the ethyl methyl aniline (EMA) moiety and the hydroxyethyl methyl aniline (HEMA) moiety. Both parent and the named metabolites shall be determined as ethyl methyl aniline (EMA) and hydroxyethyl methyl aniline (HEMA), and calculated as the stoichiometric equivalents of acetochlor, in or on the following commodities:
| Commodity | Parts per million |
|---|---|
| Alfalfa, forage | 8.0 |
| Alfalfa, hay | 20 |
| Beet, sugar, dried pulp | 0.50 |
| Beet, sugar, molasses | 0.80 |
| Beet, sugar, roots | 0.30 |
| Beet, sugar, tops | 0.70 |
| Cattle, fat | 0.02 |
| Cattle, kidney | 0.03 |
| Cattle, meat | 0.02 |
| Cattle, meat byproducts, except kidney | 0.02 |
| Corn, field, forage | 4.5 |
| Corn, field, grain | 0.05 |
| Corn, field, stover | 2.5 |
| Corn, pop, grain | 0.05 |
| Corn, pop, stover | 2.5 |
| Corn, sweet, forage | 1.5 |
| Corn, sweet, kernels plus cob with husks removed | 0.05 |
| Corn, sweet, stover | 1.0 |
| Cotton, gin byproducts | 4.0 |
| Cotton, undelinted seed | 0.6 |
| Goat, fat | 0.02 |
| Goat, kidney | 0.03 |
| Goat, meat | 0.02 |
| Goat, meat byproducts, except kidney | 0.02 |
| Hog, kidney | 0.02 |
| Horse, fat | 0.02 |
| Horse, kidney | 0.03 |
| Horse, meat | 0.02 |
| Horse, meat byproducts, except kidney | 0.02 |
| Milk | 0.02 |
| Peanut | 0.20 |
| Peanut, hay | 7.0 |
| Peanut, meal | 0.25 |
| Sheep, fat | 0.02 |
| Sheep, kidney | 0.03 |
| Sheep, meat | 0.02 |
| Sheep, meat byproducts, except kidney | 0.02 |
| Sorghum, grain, forage | 1.6 |
| Sorghum, grain, grain | 0.05 |
| Sorghum, grain, stover | 1.7 |
| Soybean, meal | 1.2 |
| Soybean, seed | 1.0 |
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. Tolerances are established for indirect or inadvertent residues of acetochlor, including its metabolites and degradates, in or on the raw agricultural commodities in the table to this paragraph when present therein as a result of application of acetochlor to the growing crops in the table to paragraph (a) of this section. Compliance with the tolerance levels specified below is to be determined by measuring only acetochlor, 2-chloro-2'-methyl-6-ethyl-N-ethoxymethylacetanilide, and its metabolites containing the ethyl methyl aniline (EMA) moiety and the hydroxyethyl methyl aniline (HEMA) moiety. Both parent and the named metabolites shall be determined as ethyl methyl aniline (EMA) and hydroxyethyl methyl aniline (HEMA), and calculated as the stoichiometric equivalents of acetochlor, in or on the following commodities.
| Commodity | Parts per million |
|---|---|
| Animal feed, nongrass, group 18, except alfalfa, forage | 1.3 |
| Animal feed, nongrass, group 18, except alfalfa, hay | 3.5 |
| Grain, cereal, forage, fodder and straw, group 16, except corn, grain sorghum, rice and wheat, forage | 0.5 |
| Grain, cereal, forage, fodder and straw, group 16, except corn, grain sorghum, rice and wheat, hay | 2.0 |
| Grain, cereal, forage, fodder and straw, group 16, except corn, grain sorghum, rice and wheat, stover | 0.1 |
| Grain, cereal, forage, fodder and straw, group 16, except corn, grain sorghum, and wheat, straw | 0.3 |
| Grain, cereal, group 15, except corn, grain sorghum, and wheat, grain | 0.05 |
| Pea and bean, dried shelled, except soybean, subgroup 6C | 0.05 |
| Potato | 0.05 |
| Soybean, forage | 0.7 |
| Soybean, hay | 1.0 |
| Sunflower, seed | 0.05 |
| Wheat, forage | 0.5 |
| Wheat, grain | 0.02 |
| Wheat, hay | 2.0 |
| Wheat, straw | 0.1 |
[72 FR 27468, May 16, 2007, as amended at 74 FR 29969, June 24, 2009; 74 FR 47450, Sept. 16, 2009; 78 FR 13268, Feb. 27, 2013; 79 FR 3517, Jan. 22, 2014; 83 FR 29028, June 22, 2018]
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