40 CFR 434.55

§ 434.55 New source performance standards (NSPS).

United States · 40 CFR — Protection of Environment · Status: effective

Cite this

Citation: 40 CFR 434.55, § 434.55 New source performance standards (NSPS), United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/190036
Permanent ID: ys:prov:190036@1
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Full text

The following new source performance standards shall apply to the post-mining areas of all new source coal mines: (a) Reclamation areas. The standards of this subsection apply to discharges from reclamation areas at new source coal mines until SMCRA bond release. Except as provided in 40 CFR 401.17 and §§ 434.61 and 434.63 (d)(2) of this part, the following new source performance standards shall be achieved for a discharge subject to the provisions of this subsection: NSPS Effluent Limitations (b) Underground mine drainage. The standards in this subsection apply to discharges from the underground workings of new source underground mines until bond release. (1) Except as provided in 40 CFR 401.17 and §§ 434.61, 434.62, and 434.63 of this part, the following new source performance standards shall be achieved for the discharge of any acid or ferruginous mine drainage subject to this subsection: NSPS Effluent Limitations (2) Except as provided in 40 CFR 401.17 and §§ 434.61 and 434.63 of this part, the following new source performance standards shall be achieved for the discharge of any alkaline mine drainage subject to this subsection: NSPS Effluent Limitations

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.