By Jeryl L. OlsonKay R. Bonza, and Craig B. Simonsen

Seyfarth Synopsis: In another example of business-friendly regulatory agency actions, the U.S. Environmental Protection Agency has just rescinded the “Seitz Memo” associated with the “Once In, Always In” policy affecting the classification of certain major sources of hazardous air pollutants under

By Jeryl L. Olson

On January 9, 2011 U.S. EPA (EPA) published in the Federal Register a proposed rule for revisions to air testing methods and procedures specified under the Prevention of Significant Deterioration (PSD) regulations, the New Source Performance Standards (NSPS), and National Emissions Standards for Hazardous Air Pollutants (NESHAPS). 77 FR 1130 (January