The court affirmed a lower court's grant of summary judgment in favor of a power company charged with modifying its power plants without first obtaining permits in violation of the Clean Air Act's (CAA's) prevention of significant deterioration (PSD) provisions. The company updated its coal-fired ge...

The court upholds the dismissal of individuals' employment retaliation suits against the state of Rhode Island and the Rhode Island Department of Environmental Management concerning potential Solid Waste Disposal Act violations. The state has not waived its right to sovereign immunity, and the U.S. ...

The court vacates the U.S. Environmental Protection Agency's equipment replacement provision (ERP) rule, which expanded the routine maintenance, repair, and replacement exclusion from new source review (NSR) requirements by allowing sources to avoid NSR when replacing equipment that does not exceed ...

A district court denied motions for summary judgment brought by the current or former owners of underground petroleum storage tanks who were sued under the Resource Conservation and Recovery Act (RCRA) by the owner of neighboring property. The underground storage tank (UST) owners argued that ground...

A district ruled on several pre-trial motions of both defendants and plaintiffs alleging property damage caused by a defendant's contamination at its nearby chemical manufacturing facility (a designated Superfund site), negligence, fraud, fraudulent concealment, strict liability, trespass, and civil...

The D.C. Circuit granted in part environmental groups' petition for review of a final rule promulgated by the U.S. Environmental Protection Agency (EPA) to regulate "hot spot" analyses undertaken as part of the State Implementation Plan for National Ambient Air Quality Standards transportation proje...

A district court dismissed environmental groups' claim that the U.S. Environmental Protection Agency (EPA) has never undertaken the study of coal mining wastes requested by Congress and, accordingly, has failed to determine whether such wastes should be regulated as "hazardous" under Subtitle C of t...

The court holds in a Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) §113 contribution action that plaintiff, the successor-owner/operator of a battery breaking facility, is liable for 75 percent of the cleanup costs and that defendant-battery suppliers are liable for...

The court holds that a company that purchased many of the assets of an agricultural chemical company is not liable as a successor-in-interest for contribution under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). The court first holds that state law dictates the p...

The court holds that contribution bars in Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) settlements not involving the United States or a state government are valid. The court first approves a corporation's settlements with a group of settling parties. The agreements ...