Tag Archives: National Environmental Development Association’s Clean Air Project v. EPA

In a fascinating decision issued today, the D.C. Circuit Court of Appeals struck down EPA’s Summit Directive. The Summit Directive – sounds ominous – was issued in response to the 2012 decision in Summit Petroleum Corp. v. EPA, in which the Sixth Circuit Court of Appeals ruled that EPA could not consider two facilities as “adjacent” for Title V and NSR permitting purposes unless they are,… More

On Wednesday, I discussed the DC Circuit’s decision affirming EPA’s revised NAAQS for NOx. Today, the DC Circuit upheld EPA’s revised SO2 standard. The tenor of today’s decision, written by David Sentelle, another Reagan appointee (the NOx decision was written by Douglas Ginsburg), is fairly similar to that in the NOx decision. Here’s the short version of the opinion:

EPA must establish NAAQS that protect public health with “an adequate margin of safety.” For that reason,… More