CFR > Title 40 > Chapter I > Subchapter N > Part 415 > Subpart AS CFR > Title 40 > Chapter I > Subchapter N > Part 415 > Subpart AS – Lithium Carbonate Production Subcategory Current as of: 2024 | Check for updates | Other versions § 415.450 Applicability; description of the lithium carbonate production subcategory § 415.451 Specialized definitions § 415.452 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)