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Questions Remain About Proposed EPA Air Rules for Natural Gas Wells

On Nov. 30, the public comment period closed on proposed revisions to the air emission standards prescribed by the federal New Source Performance Standard (NSPS) and the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the Oil and Natural Gas source category. One aspect of the NSPS proposal establishes standards for "well completion operations with hydraulic fracturing" and as such has been hailed in the press as the first federal air rules applicable to hydraulic fracturing, the technology used to unlock the natural gas trapped in the Marcellus Shale and other shale plays across the United States.

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