[Code of Federal Regulations] [Title 21, Volume 6] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR556.90] [Page 349] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 556_TOLERANCES FOR RESIDUES OF NEW ANIMAL DRUGS IN FOOD--Table of Subpart B_Specific Tolerances for Residues of New Animal Drugs Sec. 556.90 Buquinolate. Tolerances are established for residues of buquinolate as follows: (a) In edible tissues of chickens: (1) 0.4 part per million in uncooked liver, kidney, and skin with fat. (2) 0.1 part per million in uncooked muscle. (b) In eggs: (1) 0.5 part per million in uncooked yolk. (2) 0.2 part per million in uncooked whole eggs.