The Third Circuit held that a PRP's settlement with New Jersey resolving its state-law liability in connection with contamination at a municipal landfill did not protect the party from lawsuits seeking contribution toward expenditures made by EPA on the same site. The district court had concluded th...

A district court denied injunctive relief to residents in a lawsuit concerning soil and groundwater contamination at and adjacent to a manufacturing facility in Goshen, Indiana. Residents living adjacent to the facility brought a citizen suit under RCRA, arguing that the contamination might present ...

The D.C. Circuit upheld EPA's 2018 decision to add a wheel-covering facility in Mississippi to the NPL. The company that assumed environmental liabilities for the facility argued that EPA improperly applied the hazard ranking system regulations to the site by failing to account for the company's mit...

A district court granted a university board of governors' motion to remand to state court a lawsuit concerning groundwater contamination beneath university land from a nearby facility. The board filed suit in state court, arguing that the facility released volatile and semivolatile organic compounds...

The Third Circuit affirmed a district court ruling that the U.S. government was not liable to a coatings company for cleanup costs at a chromite ore processing plant with which it was involved during World War I and World War II. The district court concluded the government was not subject to operato...

The U.S. Supreme Court affirmed in part and vacated in part the Montana high court's ruling in a lawsuit concerning cleanup actions across a 300-square-mile Superfund site in Butte. Landowners whose properties are located within the site brought trespass, nuisance, and strict liability claims under ...

A district court granted in part and denied in part environmental groups' motion for summary judgment in a challenge to EPA's approval of an Oklahoma program regulating the disposal of coal combustion residuals. The groups argued that EPA failed to perform its statutory duty under RCRA to develop an...

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The Ninth Circuit reversed a district court order denying the U.S. Chemical Safety and Hazard Board's petition to enforce subpoenas issued against an oil company following an explosion and chemical release at one of its refineries. The district court found that 29 of the subpoenas were enforceable, ...

The D.C. Circuit upheld EPA's decision not to issue financial responsibility requirements for the hard-rock mining industry. Environmental groups argued the decision violated CERCLA by wrongly interpreting the term "risk" in the operative provisions as limited to the risk of taxpayer-funded response...