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Permits BACT National Ambient Air Quality Standards

Williams Mullen

Frequently Asked Air Questions (FAAQs): Synthetic Minor Permits, One-Time Doubling & Sham Permits

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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

Williams Mullen

EPA Proposed Rule: Fugitive Emissions Count Toward PSD Significant Emissions Increase Thresholds

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EPA is proposing revisions to the new source review (“NSR”) permit program (“2022 Proposed Fugitive Emissions Rule”) under the federal Clean Air Act (“CAA”), which will codify the requirement that modifications account for...more

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