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Lawrence Livermore ermore National Laboratory <br /> MAY 10 10 <br /> AiN CEI <br /> t;7 <br /> MAY 20 10 <br /> � f99,� <br /> Dear Community Member: �MV106NMPE's l NLS, hy-PAI rky <br /> lsERVICES <br /> In September 1992, an introductory fact sheet that provided information about <br /> the environmental cleanup being conducted at Site 300 under the federal <br /> Superfund program was distributed to the public. S: <br /> Department of Energy (DOE) and operated by LawrenOce Livermo ete 30 is owned byNational <br /> Laboratory (LLNL). <br /> As described in that fact sheet, DOE/LLNL began investigating the soil and <br /> ground water at Site 300 in 1982. Work has included review of past operations at <br /> the site; geologic mapping of the area; drilling and regular sampling of <br /> monitoring wells; sampling of drinking water wells both on and off the site; <br /> sampling and analysis of site soils; and biological surveys of the plant and animal <br /> life on the site. In addition, DOE/LLNL have begun ground water cleanup in two <br /> portions of the General Services Area of the site. These cleanups have been <br /> described in previous letters. <br /> DOE/LLNL is using the information gathered through the investigations to <br /> prepare a Site-Wide Remedial Investigation (SWRI) report for the regulatory <br /> agencies. The report will describe in detail the nature and extent of <br /> contamination at Site 300 and its potential.effects on the surrounding community. <br /> Information developed in the SWRI will be used to prepare a number of follow-on <br /> documents. <br /> Originally, DOE/LLNL planned to submit a draft SWRI report to the regulatory <br /> agencies in January 1993. However, the preparation of the report has required a <br /> greater effort than previously anticipated, which has caused a delay in the <br /> completion of the report. Through a cooperative effort between DOE/LLNL, U.S. <br /> Environmental Protection Agency, California Department of Toxic Substances <br /> Control, and the Central Valley Regional Water Quality Control Board, it has been <br /> determined that DOE/LLNL will submit the draft report to the regulatory agencies <br /> in August 1993. A revised submittal schedule for all related documents is <br /> attached. <br /> LLNL will make the draft available to the public in the information repositories <br /> for Site 300 documents. These repositories are located at the LLNL Visitors' <br /> Center, the Tracy Public Library, and the Stockton Public Library. The draft will <br /> subsequently be revised based on regulatory agency comments. The final report <br /> also will be placed in the information repositories. <br /> An Equai OpportunityEmployer•Universit yof Califomia•P.O.Box 808 Livermore,Califomia 94550•Telephone(415)422-1100•TWX910-386-8339 UCLLL LVMR <br />