9 C.F.R. § 310.18 Contamination of carcasses, organs, or other parts.
Title 9 - Animals and Animal Products
(a) Carcasses, organs, and other parts shall be handled in a sanitary manner to prevent contamination with fecal material, urine, bile, hair, dirt, or foreign matter; however, if contamination occurs, it shall be promptly removed in a manner satisfactory to the inspector. (b) Brains, cheek meat, and head trimmings from animals stunned by lead, sponge iron, or frangible bullets shall not be saved for use as human food but shall be handled as described in §314.1 or §314.3 of this subchapter.
Title 9: Animals and Animal Products
PART 310—POST-MORTEM INSPECTION
§ 310.18 Contamination of carcasses, organs, or other parts.