Part 504 — Existing Powerplants
- §504.2 Purpose and scope.
- §504.3-504.4 Reserved
- §504.5 Prohibitions by order (certifying powerplants under section 301 of FUA, as amended).
- §504.6 Prohibitions by order (case-by-case).
- §504.7 Prohibition against excessive use of petroleum or natural gas in mixtures—electing powerplants.
- §504.8 Prohibitions against excessive use of petroleum or natural gas in mixtures—certifying powerplants.
- §504.9 Environmental requirements for certifying powerplants.