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A- <br /> STATE OF CALIFORNIA • GEORGE DEUKMEJIAN.Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION <br /> 3443 ROUTIER ROAD <br /> s flu: <br /> SACRAMENTO,CA 95827-3098 <br /> K C E I V EE o <br /> 3 November 1989 <br /> NOV 6 1989 <br /> ENVIRONMENTAL HEALTH <br /> Mr. Richard C. Ragaini , Department Head PER MiT/SERb`{OES <br /> Environmental Protection Department <br /> University of California <br /> Lawrence Livermore National Laboratory <br /> Post Office Box 808 <br /> Livermore, CA 345500 <br /> WASTEWATER DISCHARGE FROM GROUND WATER TREATMENT SYSTEM HYDRAULIC TEST TO SEWAGE <br /> TREATMENT PONDS, LAWRENCE LIVERMORE NATIONAL LABORATORY SITE 300, SAN JOAQUIN <br /> COUNTY - CASE #2677 <br /> I have reviewed your 18 October 1989 letter which contained information we <br /> requested on the sewage treatment ponds. The information satisfies our concerns <br /> regarding the proposed disposal in the ponds of contaminated ground water <br /> generated by the testing of extraction well W7-G. The extracted ground water <br /> is to be treated in the associated treatment system before disposal in the ponds. <br /> You have stated that testing should last about three weeks. <br /> As I told Albert Lamarre of your staff by telephone on 30 October 1989, you may <br /> discharge the wastewater to the ponds. As I also discussed with Mr. Lamarre by <br /> telephone on 31 October 1989, you will sample the discharge to the sewage <br /> treatment ponds twice weekly and analyze the samples -for halogenated volatile <br /> organic compounds, including trichloroethylene, using EPA Method 601. <br /> If you have any comments or questions, please call me at (916) 361-5653. <br /> i'11"illej, <br /> I , <br /> MICHAEL HIGGINV <br /> Area Engineer <br /> MLH:gs <br /> cc: Mr. James T. Davis, U. S. Department of Energy, Oakland <br /> De rtment of Health Services, Toxic Substances Control Division, Berkeley <br /> an Joaquin Public Health Services, Stockton <br /> Mr. Eugene Draney, Lawrence Livermore National Laboratory, Livermore <br /> Mr. Fred Hoffman, Lawrence Livermore National Laboratory, Livermore <br />