CFR > Title 40 > Chapter I > Subchapter N > Part 457 > Subpart A CFR > Title 40 > Chapter I > Subchapter N > Part 457 > Subpart A – Manufacture of Explosives Subcategory Current as of: 2024 | Check for updates | Other versions § 457.10 Applicability; description of the commercial manufacture of explosives subcategory § 457.11 Specialized definitions § 457.12 Effluent limitations and guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available