Mealey's (December 9, 2020, 1:07 PM EST) -- MISSOULA, Mont. — A federal judge in Montana on Dec. 4 denied Atlantic Richfield Co.’s (Arco) motion for partial summary judgment on claims brought under the Comprehensive Environmental Response, Compensation and Liability Act and Montana’s Comprehensive Environmental Cleanup and Responsibility Act (CECRA) by the current owner of a former aluminum smelting site, holding that disputes exists as to whether costs the current owner requests are recoverable under federal law and if the presuit notice satisfied Montana law....