40 CFR § 434.85
New source performance standards (NSPS)
June 9, 2020
Any new source western coal mining operation with drainage subject to this subpart must meet the effluent limitations in §434.82.40v32(5546): Appendix A to Part 430
Any new source western coal mining operation with drainage subject to this subpart must meet the effluent limitations in §434.82.40v32(5546): Appendix A to Part 430