The court largely upholds the U.S. Environmental Protection Agency's (EPA's) determination that Subtitle C of the Resource Conservation and Recovery Act (RCRA) does not apply to recycled materials used to make zinc fertilizers, or to the resulting fertilizers themselves, so long as they meet certain...

The Ninth Circuit holds that a district court erred in holding that residents living across from a county dump lacked standing to bring Clean Air Act (CAA) claims based on ozone degradation against a county health department and in granting the county summary judgment on the residents' Resource Cons...

The court holds that a local transportation control measure, adopted as part of California's state implementation plan to attain federal air quality standards in the San Francisco Bay Area, does not impose an enforceable obligation on the local transportation commission to increase public transit ri...

The D.C. Circuit held that on remand EPA must explain how the risk assessments it used in exempting certain recycled zinc fertilizer products from regulation under RCRA compare with the risk threshold estimates in a private study. Petitioners were limited to challenging EPA's claim that its study an...

The U.S. Supreme Court held that certain aspects of local fleet rules do not escape preemption under CAA §209(a) simply because they address the purchase of vehicles rather than their manufacture or sale. The fleet rules prohibit the purchase or lease of vehicles by fleet operators that do not ...

The Sixth Circuit upheld EPA's redesignation of Cleveland, Ohio, from nonattainment to attainment for particulate matter under CAA §107(d)(3)(E). An environmental group argued that EPA illegally waived statutory requirements when it redesignated the area to attainment by not fully approving the...

The court holds that the Illinois Coal Act violates the Commerce Clause of the U.S. Constitution. The Act requires public utilities to devise Clean Air Act (CAA) compliance plans and present them to the Illinois Commerce Commission for approval. The Act requires the utilities and the Commission to t...

The court upholds the U.S. Environmental Protection Agency's (EPA's) decision not to list used oil from gasoline-powered engines that is destined for disposal as hazardous waste under the Resource Conservation Recovery Act (RCRA). The court first holds that petitioners have standing to challenge EPA...

The court holds that New Mexico's environmental agency may not bring an enforcement action in federal court to seek federalpenalties under §113 of the Clean Air Act (CAA) for violations of its state implementation plan (SIP) after successfully prosecuting a state court enforcement action against th...

The court holds moot challenges to the mixture and derived-from rules that the U.S. Environmental Protection Agency (EPA) issued under the Resource Conservation and Recovery Act (RCRA), holds moot a challenge to EPA's rule applying the mixture rule to Bevill wastes mixed with listed hazardous waste,...