CFR > Title 40 > Chapter I > Subchapter N > Part 454 > Subpart D CFR > Title 40 > Chapter I > Subchapter N > Part 454 > Subpart D – Tall Oil Rosin, Pitch and Fatty Acids Subcategory Current as of: 2024 | Check for updates | Other versions § 454.40 Applicability; description of manufacture of tall oil rosin, pitch and fatty acids subcategory § 454.41 Specialized definitions § 454.42 Effluent limitations and guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available