CFR > Title 40 > Chapter I > Subchapter E > Part 160 > Subpart F CFR > Title 40 > Chapter I > Subchapter E > Part 160 > Subpart F – Test, Control, and Reference Substances Current as of: 2024 | Check for updates | Other versions § 160.105 Test, control, and reference substance characterization § 160.107 Test, control, and reference substance handling § 160.113 Mixtures of substances with carriers