Mealey's (December 16, 2020, 12:46 PM EST) -- SAN FRANCISCO — A 2-1 Ninth Circuit U.S. Court of Appeals panel on Dec. 15 denied a mining company’s request to rehear arguments in a dispute over whether the government was an operator of the Lava Cap Mine Superfund site under the Comprehensive Environmental Response, Compensation and Liability Act and, therefore, liable for some of the cleanup costs....