CFR›Title 7›Subtitle B›Chapter I›Part 51›Subpart K›Subject Group Definitions›7 CFR 51.1316 Citation7 CFR 51.1316CorpusDaily eCFRDisplayed edition2026-09-09Last updated2026-09-09 § 51.1316 Clean.Clean means free from excessive dirt, dust, spray residue or other foreign material. Previous 51.1315 § 51.1315 Carefully hand-picked. Next 51.1317 § 51.1317 Well formed.