The Fifth Circuit held that a corporation should not be held liable as an arranger under CERCLA for costs associated with cleaning up a plume of perchloroethylene (PERC) that discharged from a dry cleaning business that operated in the 1960s and 1970s. A district court in 2006 had held the corporati...

A California court held that federal mining law preempts a state law that effectively bans the use of any vacuum or suction dredge mining in streams and rivers on federal lands. Under Cal. Fish & Game Code §5653, the use of any vacuum or suction dredge equipment by any person in any river strea...

A district court granted in part and denied in part a motion to dismiss a class action lawsuit against a Canadian mining company for allegedly causing individuals residing near the Upper Columbia River to suffer various health diseases due to toxic and hazardous air emissions from the company's smel...

A Washington appellate court upheld a state agency's decision to issue a hydraulic mining permit to an individual on the condition that he limit his suction dredging operations within a specified two-week work period. The individual engages in "placer" mining—searching for gold that has moved away...

The Second Circuit vacated individuals' convictions for making false statements and conspiring to violate CERCLA. The jury instructions stated that because the defendant has an interest in the outcome of the trial, he has a motive to testify falsely and that the jury should bear this in mind when ev...

A California appellate court upheld a lower court decision denying an environmental group's petition challenging a county's approval of a proposed surface mining operation on a 1,500-acre site at the base of the Sierra Nevada foothills. As required by the California Environmental Quality Act, an env...

A district court granted in part and denied in part motions to dismiss property owners' CERCLA contribution claims against a company for contamination stemming from a manufactured gas plant that the company's predecessor operated from the 1830s until the early 1900s. In 2010, some of the property ow...