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Compliance with Floodplain and Wetland Environmental Review Requirements

National Environmental Policy Act Implementing Procedures

Environmental Protection Regulations for Domestic Licensing and Related Regulatory Functions

Fuel Venting and Exhaust Emission Requirements for Turbine Engine Powered Airplanes

Noise Standards: Aircraft Type and Airworthiness Certification

Notice and Approval of Airport Noise and Access Restrictions

Airport Noise Compatibility Planning

Environmental Quality

Environmental Impact Considerations

Current Good Manufacturing Practice for Positron Emission Tomography Drugs

Voluntary Greenhouse Gas Reporting Program: General Guidelines

Emission Guidelines for Existing Sources in the Oil and Natural Gas Sector (Subpart OOOOc)

Emission guidelines that states must follow when developing plans to limit methane emissions from existing oil & gas sources.

Standards of Performance for New, Reconstructed, and Modified Sources in the Oil and Natural Gas Sector (Subpart OOOOb)

Final rule tightening methane and VOC standards on new, reconstructed, and modified oil & gas facilities, including super-emitter response programme.

Waste Prevention, Production Subject to Royalties, and Resource Conservation

Updates rules on flaring, venting, and royalty-bearing methane losses from onshore federal and tribal oil & gas leases.