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21 U.S.C. 321(q), 346a and 371.
36 FR 22540, Nov. 25, 1971, unless otherwise noted.
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Nomenclature changes to part 180 appear at 62 FR 66023, Dec. 17, 1997.
Nomenclature changes to subpart C of part 180 appear at 67 FR 41803, June 19, 2002; 67 FR 42393, June 21, 2002; 68 FR 39430, July 1, 2003; 71 FR 74804, Dec. 13, 2006; 72 FR 53137, Sept. 18, 2007; 72 FR 61536, Oct. 31, 2007; 73 FR 60155, Oct. 10, 2008; 75 FR 56014, Sept. 15, 2010; and 76 FR 34885, June 15, 2011.
(a) General. Tolerances are established for residues of carboxin, 5,6-dihydro-2-methyl-N-phenyl-1,4-oxathiin-3-carboxamide, including its metabolites and degradates, in or on the commodities in table 1 to Paragraph (a). Compliance with the tolerance levels specified in table 1 to Paragraph (a) is to be determined by measuring only those carboxin residues convertible to aniline, expressed as the stoichiometric equivalent of carboxin, in or on the commodities.
| Commodity | Parts per million |
|---|---|
| Barley, grain | 0.2 |
| Barley, hay | 0.2 |
| Barley, straw | 0.2 |
| Bean, dry, seed | 0.2 |
| Bean, succulent | 0.2 |
| Cattle, fat | 0.05 |
| Cattle, meat byproducts | 0.1 |
| Cattle, meat | 0.05 |
| Corn, field, forage | 0.2 |
| Corn, field, grain | 0.2 |
| Corn, field, stover | 0.2 |
| Corn, pop, grain | 0.2 |
| Corn, pop, stover | 0.2 |
| Corn, sweet, forage | 0.2 |
| Corn, sweet, kernel plus cob with husks removed | 0.2 |
| Corn, sweet, stover | 0.2 |
| Cotton, gin byproducts | 3 |
| Cotton, undelinted seed | 0.2 |
| Egg | 0.05 |
| Goat, fat | 0.05 |
| Goat, meat byproducts | 0.1 |
| Goat, meat | 0.05 |
| Hog, fat | 0.05 |
| Hog, meat byproducts | 0.1 |
| Hog, meat | 0.05 |
| Horse, fat | 0.05 |
| Horse, meat byproducts | 0.1 |
| Horse, meat | 0.05 |
| Milk | 0.05 |
| Oat, forage | 0.5 |
| Oat, grain | 0.2 |
| Oat, hay | 0.2 |
| Oat, straw | 0.2 |
| Onion, bulb | 0.2 |
| Peanut | 0.2 |
| Peanut, hay | 0.2 |
| Poultry, fat | 0.1 |
| Poultry, meat byproducts | 0.1 |
| Poultry, meat | 0.1 |
| Rapeseed, seed | 0.03 |
| Rice, grain | 0.2 |
| Safflower, seed | 0.2 |
| Sheep, fat | 0.05 |
| Sheep, meat byproducts | 0.1 |
| Sheep, meat | 0.05 |
| Soybean, seed | 0.2 |
| Wheat, forage | 0.5 |
| Wheat, grain | 0.2 |
| Wheat, hay | 0.2 |
| Wheat, straw | 0.2 |
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]
[47 FR 55222, Dec. 8, 1982, as amended at 50 FR 81, Jan. 2, 1985; 62 FR 4915, Feb. 3, 1997; 63 FR 4586, Jan. 30, 1998; 64 FR 11801, Mar. 10, 1999; 66 FR 9773, Feb. 12, 2001; 66 FR 64773, Dec. 14, 2001; 67 FR 40218, June 12, 2002; 67 FR 72853, Dec. 9, 2002; 71 FR 56383, Sept. 27, 2006; 80 FR 72598, Nov. 20, 2015; 91 FR 21388, Apr. 22, 2026]