PSD Appeals

News & Analysis as of

EPA Does Not Have a Nondiscretionary Duty to Revise PSD Regulations When It Amends a NAAQS

On Monday, the 9th Circuit Court of Appeals ruled that EPA does not have an obligation to amend PSD regulations for a criteria pollutant within two years of revising the National Ambient Air Quality Standard for that...more

EPA Loses Another PSD Case: The Clean Air Act is “Extraordinarily Rigid”

In Sierra Club v. EPA, issued today, The Court of Appeals for the District of Columbia rejected EPA’s rules governing “significant impact levels” and “significant monitoring concentrations” for determining PSD permitting...more

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