40 CFR 423.10 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (Part 400 To § 424.77) — Environmental Protection Agency (Continued) (Part 400 To § 424.77) — Effluent Guidelines And Standards (Part 400 To § 424.77) — Steam Electric Power Generating Point Source Category (§ 423.10 To Appendix A To Part 423) — Applicability.

The provisions of this part apply to discharges resulting from the operation of a generating unit by an establishment whose generation of electricity is the predominant source of revenue or principal reason for operation, and whose generation of electricity results primarily from a process utilizing fossil-type fuel (coal, oil, or gas), fuel derived from fossil fuel (e.g., petroleum coke, synthesis gas), or nuclear fuel in conjunction with a thermal cycle employing the steam water system as the thermodynamic medium. This part applies to discharges associated with both the combustion turbine and steam turbine portions of a combined cycle generating unit.