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regional haze

Colorado: Air (generally)

ELR State Update Item

Texas v. United States Environmental Protection Agency

ELR Case

The Fifth Circuit stayed EPA's regional haze plan for Oklahoma and Texas until the underlying petitions for review challenging the rule are resolved. Texas, energy companies, power plants, and others challenged EPA's action disapproving...

81 FR 44608

ELR Federal Agency Update

District of Columbia: Air

ELR State Update Item

Alaska: Air quality

ELR State Update Item

National Parks Conservation Ass'n v. United States Environmental Protection Agency

ELR Case

The Third Circuit vacated and remanded EPA's approval of Pennsylvania's 2014 regional haze SIP. CAA §169A requires states to evaluate the impact that emissions from certain sources of pollution within their borders have on atmospheric...

National Parks Conservation Ass'n v. U.S. Environmental Protection Agency

ELR Case

The Ninth Circuit granted in part and denied in part petitions for review challenging EPA's federal implementation plan to reduce regional haze at two power plants in Montana. The owner and operator of the plants, as well as...

Westar Energy, Inc. v. Environmental Protection Agency

ELR Case

The D.C. Circuit denied petitions for review challenging EPA's disapproval of a revision to Kansas' proposed SIP revision for the 2006 fine particulate matter (PM2.5) NAAQS. EPA disapproved the SIP revision because the submission lacked...