[Code of Federal Regulations] [Title 9, Volume 2] [Revised as of January 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 9CFR311.39] [Page 141] TITLE 9--ANIMALS AND ANIMAL PRODUCTS CHAPTER III--FOOD SAFETY AND INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE PART 311_DISPOSAL OF DISEASED OR OTHERWISE ADULTERATED CARCASSES AND PARTS--Table of Contents Sec. 311.39 Biological residues. Carcasses, organs, or other parts of carcasses of livestock shall be condemned if it is determined that they are adulterated because of the presence of any biological residues.