Tag Archives: air pollution

EPA Nixes Decades-Old Policy on Toxic Air Pollution

Jettisoning 23-year old doctrine, the U.S. Environmental Protection Agency (EPA) announced last week in guidance (“Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act,” Memorandum from William L. Wehrum, EPA (January 25, 2018)) that it was abandoning its “once-in-always-in” (OIAI) policy that branded stationary air pollution sources as “major … Continue Reading

Air Source Aggregation: Compression Station and Natural Gas Wells are Not A Single Source in Pennsylvania Merely Because they are Owned by Corporate Affiliates

On Friday, June 2, a Pennsylvania intermediate appellate court held that air emissions from a natural gas gathering system compression station and a natural gas well pad served by that gathering system could not be aggregated for purposes of air emissions permitting because they were owned by different corporations, albeit corporate affiliates.  National Fuel Gas … Continue Reading
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