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Comprehensive Environmental Response Compensation and Liability Act (CERCLA)

PPG Industries Inc. v. United States

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...

Atlantic Richfield Co. v. Christian

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...

Idaho Conservation League v. Wheeler

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...

Gold King Mine Release in San Juan County, Colorado on August 5, 2015

A district court denied EPA's motions to dismiss a lawsuit brought by two states and a Native American tribe seeking to recover response costs from the 2015 Gold King mine spill that sent millions of gallons of acid mine drainage into...

Pakootas v. Teck Cominco Metals, Ltd.

The Ninth Circuit affirmed a district court's ruling that a Canadian smelter company that dumped several million tons of industrial waste into the Columbia River was liable for a Native American tribe's response costs. The company...

Bartlett v. Honeywell International Inc.

The Second Circuit affirmed a lower court decision that CERCLA preempts state tort law claims brought by residents living near the Onondaga Lake Superfund site. The owner of the site undertook remedial action pursuant to a federal...

Genuine Parts Co. v. Environmental Protection Agency

The D.C. Circuit vacated EPA's placement of the West Vermont Drinking Water Contamination site, a site of groundwater contamination beneath Indianapolis, Indiana, on the NPL. EPA used the hazard ranking system (HRS) to determine whether...

California Dep't of Toxic Substances Control v. Westside Delivery, LLC

The Ninth Circuit held that a property owner who purchased the site at a tax sale is not entitled to CERCLA's third-party defense to liability for cleanup costs. The purchaser had a "contractual relationship" with the prior owner by...

Sunnyside Gold Corp. v. Environmental Protection Agency

The D.C. Circuit dismissed a mining company's lawsuit challenging EPA's decision to place the entire Bonita Peak Mining District, located in Colorado's Mineral Belt, on the NPL. The mining company owns a mine located in the district,...

New Mexico v. EPA

A district court held that a government contractor may be liable under CERCLA in connection with the Gold King mine spill in Colorado. In 2016, the contractor caused a breach that released more than 3 million gallons of acid mine...

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