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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 10
Chapter II
Part 503
Subpart B - Subpart B—General Requirements for Exemptions
§ 503.4 - Purpose and scope.
§ 503.5 - Contents of petition.
§ 503.6 - Cost calculations for new powerplants and installations.
§ 503.7 - State approval—general requirement for new powerplants.
§ 503.8 - No alternate power supply—general requirement for certain exemptions for new powerplants.
§ 503.9 - Use of mixtures—general requirement for certain permanent exemptions.
§ 503.10 - Use of fluidized bed combustion not feasible—general requirement for permanent exemptions.
§ 503.11 - Alternative sites—general requirement for permanent exemptions for new powerplants.
§ 503.12 - Terms and conditions; compliance plans.
§ 503.13 - Environmental impact analysis.
§ 503.14 - Fuels search.
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