This regulation establishes tolerances for combined residues of prothioconazole and prothioconazole- desthio calculated as parent in or on barley, grain/hay/straw; grain, aspirated grain fractions; pea and bean, dried shelled, except soybeans, subgroup 6C; peanut; peanut hay; rapeseed, seed; wheat, grain/forage/hay/straw; and for combined residues of prothioconazole, prothioconazole-desthio and conjugates that can be converted to these two compounds by acid hydrolysis, calculated as parent in or on cattle, meat/meat byproducts/fat/milk; poultry, liver; goat, fat/meat/meat byproducts; hog, meat byproducts; horse, fat/meat/meat byproducts; sheep, fat/meat/meat byproducts. Bayer CropScience requested tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA), as amended by the Food Quality Protection Act of 1996 (FQPA).