Mealey's (February 20, 2019, 12:26 PM EST) -- PRESCOTT, Ariz. — A federal judge in Arizona on Feb. 19 ruled that an expert for a gas company seeking contribution and cost recovery under the Comprehensive Environmental Response, Compensation, and Liability Act from the federal government, U.S. Department of the Interior, the Bureau of Indian Affairs, the U.S. Geological Survey, the Department of Energy and the Nuclear Regulatory Commission for the cleanup of 19 uranium mines on the Navajo Reservation can proffer testimony based on aerial photographs of the site, ruling that his methodology was reliable and that any challenges to the weight of his testimony can be challenged at trial (El Paso Natural Gas Co. LLC v. United States, No. CV-14-08165-PCT-DGC, D. Ariz., 2019 U.S. Dist. LEXIS 26054)....