Mealey's (December 9, 2016, 10:57 AM EST) -- BUTTE, Mont. — A federal judge in Montana on Dec. 7 denied a motion filed by a newspaper publisher and an environmental group seeking to intervene in a Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) lawsuit between the government and Atlantic Richfield Co. (ARCO) to gain access to confidential settlement information, finding that the request was untimely (United States of America v. Atlantic Richfield Company, No. CV-89-39-BU-SEH, D. Mont.; 2016 U.S. Dist. LEXIS 169364)....