21 C.F.R. § 556.273 Famphur.
Title 21 - Food and Drugs
Tolerances are established for residues of famphur including its oxygen analog in or on meat, fat, or meat byproducts of cattle at 0.1 part per million. [62 FR 55161, Oct. 23, 1997]
Title 21: Food and Drugs
PART 556—TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD
Subpart B—Specific Tolerances for Residues of New Animal Drugs
§ 556.273 Famphur.