FILE - In this March 26, 1999, file photo, the first load of nuclear waste arrives at 4 a.m. to the Waste Isolation Pilot Plant (WIPP) site in Carlsbad, N.M., from Los Alamos National Labs. New Mexico on Saturday Dec. 6, 2014, levied more than $54 million in penalties against the U.S. Department of Energy for numerous violations that resulted in the indefinite closure of the nation's only underground nuclear waste repository. (AP Photo/Thomas Herbert, File)