The court holds that the U.S. Environmental Protection Agency's (EPA's) listing of the Del Amo site in Los Angeles, California, on the national priorities list (NPL) was invalid. The court first holds that the proposal for listing the site on the NPL failed to comply with the Omnibus Consolidated Re...

The court holds that it has subject matter jurisdiction over property owners' Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) claim against private companies for response costs relating to the contamination of their water supply, but the court does not have jurisdictio...

The court holds that two cattle company owners do not have a vested private-property right to graze their cattle in the Apache and Gila National Forests without a U.S. Forest Service permit. The owners argued that because their predecessors-in-title obtained a valid, vested water right under New Mex...

The court affirms a district court grant of summary judgment in favor of a manufacturer alleged to have contributed to a Michigan river's polychlorinated biphenyls (PCB) contamination. An association of potentially responsible parties claimed that PCBs in the manufacturer's drainage ditch leaked int...

The court holds that individual condominium owners may not assert the innocent landowner defense in their Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) action against the property's former owners. The individual owners initially purchased the property as a partnershi...

The court holds that a company's cleanup of a polychlorinated biphenyl- and lead-contaminated site in Colorado was not consistent with the national contingency plan (NCP). Thus, the company is not entitled to contribution from other responsible parties. The court first holds that the district court ...

The court holds that a district court has jurisdiction under the Quiet Title Act (QTA) to review an Interior Board of Land Appeals' (IBLA's) decision that a Native American's claim for an allotment of land under the Native Allotment Act takes precedence over a state's earlier right-of-way grant in t...

The court holds that $200,000 awarded to a former owner whose property was damaged by an underground storage tank (UST) operator's negligence is not duplicative of the former owner's award for past and future response costs under the Comprehensive Environmental Response, Compensation, and Liability ...

The court holds that a company is not entitled to recover response costs under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) from the former owner of property contaminated by leaking underground storage tanks (USTs). The court first holds that the company's CERCL...

The court affirms, but on different grounds, a district court decision dismissing corporations' contribution claim under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) against several potentially responsible parties (PRPs) for response costs incurred at the Sulliv...