21 C.F.R. § 556.513 Piperazine.
Title 21 - Food and Drugs
A tolerance of 0.1 part per million piperazine base is established for edible tissues of poultry and swine. [64 FR 23019, Apr. 29, 1999]
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
§ 556.513 Piperazine.
