CFR > Title 40 > Chapter I > Subchapter N > Part 440 > Subpart H CFR > Title 40 > Chapter I > Subchapter N > Part 440 > Subpart H – Vanadium Ore Subcategory (Mined Alone and Not as a Byproduct) Current as of: 2024 | Check for updates | Other versions § 440.80 Applicability; description of the vanadium ore subcategory § 440.82 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)