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Mr Kyle Christie Project 0805-114 04 <br /> December 6, 1995 <br /> Page 6 <br /> CONCLUSIONS <br /> Hydrocarbon concentrations in groundwater underlying the site have declined TPHG and <br /> benzene concentrations were below laboratory detection luiuts in wells MW-3, MW-4, <br /> MW-7, and MW-8 Dissolved hydrocarbons were detected in wells MW-1, MW-2, MW-5, <br /> MW-6, and MW-10, with the highest concentration detected in well MW-2 The groundwater <br /> flow direction was towards the northeast, which is generally consistent with past data. <br /> Due to the low destruction efficiency, the system was temporarily shut off on October 6, 1995 <br /> The cumulative amount of TPHG removed from the subsurface is estimated to be <br /> approximately 16,748 pounds, or 2,700 gallons <br /> i <br /> DOCUMENT DISTRIBUTION <br /> We recommend that a copy of this status report be forwarded to <br /> Mike Infurna <br /> . San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O Box 388 <br /> Stockton, California 95201-0388 <br /> Elizabeth Thayer <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> SAC\N TJft80M8051140 4FS-95\pas 1 <br />