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0 CALIFORNIA QUALITY CONTROL BOA?_j CENTRAL VALLEY REGION WASTE DISCHARGE • y,E , •• LAWRENCEUNIVERSITY OF CALIFORNIA ,.E NATIONAL LABORATORYr, MLASS 11-1 SOLID WASTE DISPOSAL ALAMEDA AND SAN JOAQUINrr The California Regional Water Quality Control Board, Central Valley Region, (here- after Board) finds that: 1. The Lawrence Livermore National oratory Site 300 (hereafter LLNL Site 300), operated by the University of California for the U.S: Department of Energy, submitted.s. report of waste discharge, dated 11 December 1978, and additional Information dated 15 February 1979 and 18 July 1980. The property is owned by the United States Government. 2. Surface water drainage at 11LIL Site 300 is to Corral Hollow Creek, Elk Ravine, and San Joaquin Delta. 3. LLNL Site 300 presently discharges ted Group 1 and Group 3 wastes in Sec- tions 16 and 17, T3S, R4E, HDB&M as shownin Attach=ent "A" incorporated herein \ and made part of this Order. Existing inactive disposal sites are also shown. 4. Current plans indicate a continued discharge of Firing Table debris. Firing Table debris consists of construction debris and gravel that has been contam- inated with depleted uranium, beryllium, and lesser quantities of 'natural uranium, thorium, and tritium. 5. The disposal and treatment of domestic and industrial wastewater generated at LIM Site 300 is governed by Order No. 80-183 6. With appropriate modification the disposal sites meet the criteria contained In the California Administrative Code, Title 23, Subchapter 15, for classifi- cation as a Class II -1 Disposal Site suitable to received limited Group 1 and Group 3 wastes. 7. The total capacity of the active disposal sites is Pit 1, 58,964 cubic yards, Pit 7, 31,111 cubic yards. The total capacity of inactive sites is Pit 2, 25,412 cubic yards, Pit 3, 26,221 cubic yards, Pit 4, 2,796 cubic yards, Pit 5, 29,907 cubic yares, Pit 6, 50,997 cubic yards znd Pit 8, 5,400 cubic yards. 8. Land within 1,000 feet (305 meters) of the active sites is used -for open space on the LLNL Site 300 test facility. 9. The Water Quality Control Plan for the Sacramento -San Joaquin Delta Basin was adopted on 25 July 1975, and this Order implements Lhe water quality objectives stated in the plan.