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Community Member • <br /> December 16, 1991 <br /> Page 2 <br /> month. The discharge water is tested regularly to determine that it has been <br /> properly treated. <br /> The treated water from the system is presently being discharged into Corral <br /> Hollow Creek bed at a rate of about 30 gallons per minute. The creek bed is <br /> usually dry, so the treated water soaks into the ground about 150 feet downstream <br /> from the point of discharge. No significant surface water flow in the area has <br /> occurred as a result of the treatment discharge. <br /> In response to the ongoing drought, Site 300 will provide some of the treated <br /> water from the eastern GSA system to the nearby California Department of <br /> Forestry Station. The station will use a drip irrigation system to water its <br /> landscaping. <br /> All cleanup activities at Site 300 are overseen by the U.S. Environmental <br /> Protection Agency and State agencies. The operation of the ground water <br /> treatment system in the eastern GSA is conducted under two permits: one issued <br /> by the San Joaquin County Air Pollution Control District (for the air released from <br /> the treatment unit) and another issued by the U.S. Environmental Protection <br /> Agency (a National Pollution Discharge Elimination System permit for the <br /> discharge of treated water). <br /> If you have any questions about the technical aspects of the eastern GSA <br /> cleanup or other cleanup activities at Site 300, please call Albert Lamarre, the <br /> Site 300 Environmental Restoration Project Leader, at(510) 422-0757. For general <br /> information about Site 300, or about LLNL community relations activities, please <br /> call Bert Heffner, Manager of Area Relations, at (510) 294-5806. <br /> Sincerely, <br /> Milt Grissom <br /> Site 300 Resident Manager <br /> Lawrence Livermore National Laboratory <br /> MG:DR:jz <br /> cc: <br /> M. Brown, DOE <br /> J. Tulk <br />