News & Analysis as of

New Source Review Update: Courts Limit Aggregation for Major Source Determination and Challenges to NSR Pre-Project Emissions...

Pennsylvania Court Limits NSR Permit Aggregation - In February, the Middle District of Pennsylvania struck down an environmental group’s challenge that Ultra Resources should have aggregated eight compressor stations...more

EPA Will Continue to Apply the "Functional Interdependence" Test for Air Quality Source Determinations Outside of the Sixth...

Introduction - On December 21, 2012, the U.S. Environmental Protection Agency (“EPA”) issued a new guidance memorandum (the “Page Memorandum”) on single source determinations for the oil and gas industry under the Clean...more

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