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Clean Water Act › National Ambient Air Quality Standards › PSD

The Clean Water Act is a United States federal statute enacted in 1972 to reduce levels of toxic substances in the nation's water supply and to prevent high levels of new contamination.  The CWA seeks to... more +
The Clean Water Act is a United States federal statute enacted in 1972 to reduce levels of toxic substances in the nation's water supply and to prevent high levels of new contamination.  The CWA seeks to accomplish its stated goals by preventing point and nonpoint pollution sources, assisting wastewater treatment facilities and maintaining wetlands. less -
Williams Mullen

Environmental Notes - April 2025

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Under the Clean Air Act, sources frequently must undergo “New Source Review” (NSR) permitting, which is a pre-construction permitting program. NSR establishes requirements for new or modified sources prior to initiating...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Fugitive Emissions/Clean Air Act: U.S. Environmental Protection Agency Proposed Rule Addressing New Source Review Regulations

Mitchell, Williams, Selig, Gates & Woodyard,... on

The United States Environmental Protection Agency (“EPA”) is proposing revisions to the Clean Air Act’s New Source Review (“NSR”) permitting regulations. The proposed rule would require that owners and operators of...more

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