The court denied a petition to review the U.S. Environmental Protection Agency's (EPA's) approval of a revision to Missouri's state implementation plan (SIP) that replaced four area-specific fugitive dust regulations with one, consistent statewide rule. The court first holds that the state environme...

The court holds that an electric utility lacks standing to petition for review a U.S. Environmental Protection Agency (EPA) final rule approving a revision to the new source review program of Pennsylvania's Clean Air Act (CAA) state implementation plan (SIP). The state's new source review program is...

The court holds unlawful U.S. Environmental Protection Agency (EPA) regulations that allow both local approval and federal funding of transportation projects that fail to satisfy the Clean Air Act's (CAA's) state implementation plan (SIP) conformity requirements. The court first holds that the EPA r...

The court holds that a U.S. Environmental Protection Agency (EPA) rule establishing a bifurcated schedule for hazardous waste combustors to comply with strict new emission standards is arbitrary and capricious. The rule, promulgated under the Clean Air Act (CAA) and the Resource Conservation and Rec...

The court remands the U.S. Environmental Protection Agency's (EPA's) hazardous air pollutant emission standards for hazardous waste combustors to the Agency because the standards fail to reflect the emissions achieved in practice by the best performing sources as required by the Clean Air Act (CAA)....

The court vacates the Environmental Protection Agency's (EPA's) approval of a county's Clean Air Act (CAA) new source review (NSR) program because EPA did not adequately assess whether the revised program would meet current attainment requirements. Before EPA approved the county's revised NSR progra...

The court denies an environmental group's petition to review the U.S. Environmental Protection Agency's (EPA's) approval of Maryland's revised motor vehicle emissions budget (MVEB) for the Baltimore ozone nonattainment area. In 1999, EPA determined that the MVEB in the state's attainment demonstrati...

The court affirms in part and reverses in part a district court grant of summary judgment in favor of the Bureau of Land Management (BLM) in a suit brought by an individual who alleged that a BLM transfer of federal lands in Nevada violated the Clean Air Act (CAA) and the National Environmental Poli...

The court upholds an individual's conviction under the Clean Air Act (CAA) for unlawfully removing and disposing of asbestos from a building in violation of the national emissions standards for hazardous air pollutants for asbestos and accompanying work-practice standards. The individual bought an a...

The court dismisses an environmental group's Clean Air Act (CAA) citizen suit alleging that two Tennessee Valley Authority (TVA) plants exceeded Tennessee's state implementation plan (SIP) requirement of 20% opacity for visible emissions 6,500 times between 1996 and 2000. The court first holds that ...