§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
¹ There are no U.S. registrations allowing use of prothioconazole on the commodities in the Sunflower subgroup 20B as of August 16, 2017.
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

(2) 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 metabolites prothioconazole-desthio, or α-(1-chlorocyclopropyl)-α-[(2-chlorophenyl)methyl]-1H-1,2,4-triazole-1-ethanol, and conjugates that can be converted to these two compounds by acid hydrolysis, calculated as parent in or on the commodity.

Commodity	Parts per million
Cattle, fat	0.1
Cattle, meat	0.02
Cattle, meat byproducts	0.2
Goat, fat	0.1
Goat, meat	0.02
Goat, meat byproducts	0.2
Hog, meat byproducts	0.05
Horse, fat	0.1
Horse, meat	0.02
Horse, meat byproducts	0.2
Milk	0.02
Poultry liver	0.02
Sheep, fat	0.1
Sheep, meat	0.02
Sheep, meat byproducts	0.2

(b) Section 18 emergency exemptions. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[72 FR 11783, Mar. 14, 2007, as amended at 73 FR 14719, Mar. 19, 2008; 74 FR 14749, Apr. 1, 2009; 74 FR 46699, Sept. 11, 2009; 75 FR 29914, May 28, 2010; 76 FR 61592, Oct. 5, 2011; 78 FR 67052, Nov. 8, 2013; 81 FR 78923, Nov. 10, 2016; 82 FR 38846, Aug. 16, 2017; 83 FR 52991, Oct. 19, 2018]

['Pesticides']

['Federal Insecticide, Fungicide and Rodenticide Act', 'Pesticide Registration and Labeling', 'Pesticides']

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