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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)
(1) General. Tolerances are established for residues of tolpyralate, 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 tolpyralate, 1-[[1-ethyl-4-[3-(2-methoxyethoxy)-2-methyl-4-(methylsulfonyl)benzoyl]-1H-pyrazol-5-yl]oxy]ethyl methyl carbonate, in or on the commodity.
| Commodity | Parts per million |
|---|---|
| Barley, grain | 0.01 |
| Barley, hay | 0.2 |
| Barley, straw | 0.08 |
| Corn, field, forage | 0.01 |
| Corn, field, grain | 0.01 |
| Corn, field, stover | 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 |
| Wheat, forage | 0.02 |
| Wheat, grain | 0.01 |
| Wheat, hay | 0.05 |
| Wheat, straw | 0.03 |
(2) Tolerances are established for residues of tolpyralate, 1-[[1-ethyl-4-[3-(2-methoxyethoxy)-2-methyl-4-(methylsulfonyl)benzoyl]-1H-pyrazol-5-yl]oxy]ethyl methyl carbonate and metabolite MT-2153 [1-ethyl-5-hydroxy-1H-pyrazol-4-yl-3-(2-methoxyethoxy)-4-mesyl-2-methylphenyl ketone], in or on the livestock commodities in table 2 to this paragraph (a)(2). Compliance with the tolerance levels specified in table 2 to this paragraph (a)(2) is to be determined by measuring tolpyralate, 1-[[1-ethyl-4-[3-(2-methoxyethoxy)-2-methyl-4-(methylsulfonyl)benzoyl]-1H-pyrazol-5-yl]oxy]ethyl methyl carbonate and metabolite MT-2153 [1-ethyl-5-hydroxy-1H-pyrazol-4-yl-3-(2-methoxyethoxy)-4-mesyl-2-methylphenyl ketone], in or on the commodity.
| Commodity | Parts per
million |
|---|---|
| Cattle, byproducts | 0.02 |
| Goat, byproducts | 0.02 |
| Horse, byproducts | 0.02 |
| Sheep, byproducts | 0.02 |
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]
[82 FR 34882, July 27, 2017, as amended at 88 FR 82786, Nov. 27, 2023]