40 CFR 434.25 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (§ 425.01 To Parts 611-699) — Environmental Protection Agency (Continued) (§ 425.01 To Parts 611-699) — Effluent Guidelines And Standards (Continued) (§ 425.01 To § 471.106) — Coal Mining Point Source Category Bpt, Bat, Bct Limitations And New Source Performance Standards (§ 434.10 To Appendix B To Part 434) — Coal Preparation Plants And Coal Preparation Plant Associated Areas (§ 434.20 To § 434.25) — New source performance standards (NSPS).

The following new source performance standards (NSPS) shall be achieved by any new source coal preparation plant and coal preparation plant associated areas, as indicated:

(a) 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 apply to discharges from new source coal preparation plants and new source coal preparation plant associated areas, if such discharges normally exhibit a pH of less than 6.0 prior to treatment:

NSPS Effluent Limitations (mg/l)

¹ 6.0-9.0 at all times.

(b) 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 apply to discharges from new source coal preparation plants and new source coal preparation plant associated areas, if such discharges normally exhibit a pH equal to or greater than 6.0 prior to treatment:

NSPS Effluent Limitations (mg/l)

¹ 6.0-9.0 at all times.