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STATE OF CALIFORNIA • ` GEORGE DEUKMEJIAN,Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION <br /> 3443 ROUTIER ROAD <br /> SACRAMENTO,CA 95827-3098 <br /> 1,4 <br /> `'T N 29 September 1989 <br /> Mr. Richard C. Ragaini , Head <br /> Environmental Protection Department F''-1 NMI-/SERViCES <br /> University of California <br /> Lawrence Livermore National Laboratory <br /> Post Office Box 808 <br /> Livermore, CA 94550 <br /> TEMPORARY WASTEWATER DISCHARGE TO SEWAGE TREATMENT PONDS, LAWRENCE LIVERMORE NATIONAL <br /> LABORATORY SITE 300, SAN JOAQUIN COUNTY - CASE #2677 <br /> We have reviewed your 8 September 1989 proposal to dispose of approximately 45 gallons <br /> per minute (gpm) of treated ground water in the Site 300 sewage treatment ponds <br /> regulated by Waste Discharge Requirements (WDRs) Order No. 85-188. The proposal does <br /> not fully quantify the parameters necessary to justify discharging the treated <br /> wastewater to the pond. <br /> I understand from telephone discussions with Albert Lamarre, that the proposed analy- <br /> tical method cannot detect the residual concentrations of volatile organic compounds <br /> in the treated ground water. What is the method detection limit of the proposed <br /> analytical method? <br /> We must know the sewage treatment pond volume, surface area, and the current wastewater <br /> flow into the pond to determine whether the pond will overflow when you add the <br /> projected flow from the treatment system. <br /> When we receive the information described above, we can approve short-term wastewater <br /> disposal for the proposed three week pump test. However, for ongoing discharge, you <br /> need to submit a complete Report of Waste Discharge (RWD) and filing fee at least <br /> 90 days before you anticipate beginning to operate the treatment system so we can <br /> prepare updated WDRs for Board consideration. The RWD must include a full <br /> characterization of the treated ground water and a water balance for the pond which <br /> includes inflow from a 25-year rainfall season. <br /> Please provide the requested information for -t-he short-tern! discharge by 20 October <br /> 1989. If you have comments or questions, please call me at (916) 361-5653. <br /> f�blCMICHAEL HIGGINS <br /> Project Engineer <br /> MLH:gs <br /> cc: Mr. James T. Davis, U. S. Department of Energy, 0akiand <br /> Department of Health Servic-es, Toxic Substance Control Division, Berkeley <br /> San Joaquin Local Health District, Stockton V <br /> Mr. Eugene Draney, Lawrence Livermore National Laboratory; Liverniore <br /> Mr. Fred Hoffman, Lawrence Livermore National Laboratory, Liverlmore <br />