9 C.F.R. § 311.39 Biological residues.
Title 9 - Animals and Animal Products
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.
Title 9: Animals and Animal Products
PART 311—DISPOSAL OF DISEASED OR OTHERWISE ADULTERATED CARCASSES AND PARTS
§ 311.39 Biological residues.