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§ 180.626 Prothioconazole; tolerances for residues.
(a) General. (1) Tolerances are established for residues of prothioconazole, 2-[2-(1-chlorocylcopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl]-1,2-dihydro-3H-1,2,4-triazole-3-thion, 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 prothioconazole and its metabolite prothioconazole-desthio, or α-(1-chlorocyclopropyl)-α-[(2-chlorophenyl)methyl]-1H-1,2,4-triazole-1-ethanol, calculated as parent in or on the commodity.
| Commodity | Parts per million |
|---|---|
| Alfalfa, forage | 0.02 |
| Alfalfa, hay | 0.02 |
| Beet, sugar, roots | 0.25 |
| Berry, low growing, except strawberry, subgroup 13–07H | 0.20 |
| Bushberry, subgroup 13–07B | 2.0 |
| Corn, sweet kernel plus cob with husks removed | 0.04 |
| Cotton, gin byproducts | 4.0 |
| Cottonseed subgroup 20C | 0.4 |
| Grain, aspirated grain fractions | 11 |
| Grain, cereal, forage, fodder and straw, group 16, except sorghum, and rice; forage | 8.0 |
| Grain, cereal, forage, fodder and straw, group 16, except sorghum, and rice; hay | 7.0 |
| Grain, cereal, forage, fodder and straw, group 16, except sorghum, and rice; stover | 10 |
| Grain, cereal, forage, fodder and straw, group 16, except sorghum, straw | 5.0 |
| Grain, cereal, group 15, except sweet corn and sorghum | 0.35 |
| Pea and bean, dried shelled, except soybean, subgroup 6C | 0.9 |
| Peanut | 0.02 |
| Potato | 0.02 |
| Rapeseed subgroup 20A | 0.15 |
| Rice, hulls | 0.90 |
| Soybean, forage | 4.5 |
| Soybean, hay | 17 |
| Soybean, seed | 0.15 |
| Sunflower subgroup 20B 1 | 0.2 |
| Vegetable, cucurbit, crop group 9 | 0.30 |