CFR > Title 40 > Chapter I > Subchapter N > Part 440 > Subpart G CFR > Title 40 > Chapter I > Subchapter N > Part 440 > Subpart G – Nickel Ore Subcategory Current as of: 2024 | Check for updates | Other versions § 440.70 Applicability; description of the nickel ore subcategory § 440.72 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
