The court remands a district court decision holding a project manager and a construction company liable for violations of the asbestos national emission standards for hazardous air pollutants (NESHAPs) during the demolition of buildings at a development site. The court first holds that the manager a...

The court holds that a state environmental agency's enforcement actions against a petroleum company preclude a citizen suit against the company for Clean Air Act (CAA) violations. The court first holds that CAA §304 does not permit the litigation to proceed. CAA §304 precludes citizen suits where ...

The court denies petitions to review a U.S. Environmental Protection Agency (EPA) rule that conditionally allows foreign gasoline refiners to establish and use individual baselines reflecting their 1990 gasoline fuel property levels, instead of statutory baselines, under the antidumping provision of...

The court holds unripe for review the Interior Board of Land Appeals' (IBLA's) ruling that the Office of Surface Mining Reclamation and Enforcement (OSM) lacks jurisdiction to order a mining company to reduce acid mine drainage seeping from a mining operation in West Virginia. The IBLA ruled that th...

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 holds that the doctrine of sovereign immunity bars citizens from bringing suit against West Virginia state officials in federal court to enjoin the state from granting mountaintop mining permits. Citizens brought suit against the state officials alleging that in granting mountaintop coal m...

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)....