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LLLawrence Livermore National La Itory Site 300 Central General Services Area Removal Action Public Comment Period on Draft Engineering Evaluation/Cost Analysis Begins Administrative Record Available for Public Review Lawrence Livermore National Laboratory (LLNL) is conducting an investigation and cleanup of contaminated soil and ground water at Site 300, located in the Altamont Hills approximately 8 miles southwest of Tracy, California. In August 1990, the Site 300 cleanup became part of the federal hazardous waste clean-up program, known as "Superfund." The U.S. Environmental Protection Agency has lead oversight responsi- bility for the site clean-up activities. Funding for these activities is provided by the U.S. Department of Energy. Elevated concentrations of volatile organic compounds have been detected in soil and ground water at the site of two former dry wells located in the Central General Services Area (GSA) of Site 300. LLNL is proposing to prevent further movement of contaminants in the Central GSA by treating contaminated ground water and soil. This Removal Action would consist of construction and operation of a ground water treatment system and a soil vapor extraction and treatment system. The draft Engineering Evaluation/Cost Analysis (EE/CA) discusses all of the removal action alternatives considered for the Central GSA, including the preferred alternative. The Administrative Record for the Central GSA Removal Action contains all documents and correspon- dence related to the proposal to conduct this effort. Any member of the public wishing to review documents in the Administrative Record may do so at the following location: LLNL Visitors Center Greenville Road Entrance Livermore, CA Hours: Mon., Tues., Thurs., Fri. Wed. 9:00am-4:00 pm 12:30pm-4:00pm Documents pertaining to the Central GSA Removal Action and the overall Site 300 environmental cleanup also are available at the Site 300 Information Repositories at: Tracy Public Library Stockton Public Library 20 E. Eaton Avenue 605 N. El Dorado St. Tracy, CA Stockton, CA (209) 835-2221 (209) 9448221 Hours: M/Th 10 am-9pm T/W/F 10am-6pm Sat 10 am-5pm (The Tory and Stockton libraries ane cloned on Sundays nd on the second Wednesday of every month) A public comment period on the EE/CA will extend from September 14 to October 13, 1992. Please submit your comments on theE&CA by October 13 to: Richard Powell Lawrence Livermore Natl. Laboratory P.O. Box 808, L-574 Livermore, CA 94551 The Laboratory's Public Affairs Depart- ment is available to answer any questions you may have about the Site 300 cleanup. Please contact: Bert Heffner, Manager, Area Relations Lawrence Livermore Natl. Laboratory P.O. Box 808, L-790 Livermore, CA 94551 (510)294-4026