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Mr Kyle Christie Project 0805-142 01 <br /> February 13, 1995 <br /> s Page 3 <br /> • EMCON performed quarterly groundwater sampling <br /> ANTICIPATED WORK <br /> • Once access has been obtained, EMCON will conduct further off-site assessment, which will <br /> include installation of two vapor extraction wells <br /> • ARCO will continue quarterly monitoring The next sampling event is tentatively scheduled for <br /> March 1994 <br /> • EMCON will send a second access agreement form to Mr and Mrs Guerrero <br /> CONCLUSIONS <br /> TOG and benzene were below laboratory detection limits in all wells TPHG was below detection <br /> limits m wells MW-2 and MW-3, but was detected in well MW-1 TPHD was detected in all wells <br /> However, the laboratory indicated that the positive diesel result appeared to be a lighter hydrocarbon <br /> than diesel, suggesting the TPHD value reflects the higher end of gasoline hydrocarbons The <br /> groundwater flow direction was toward the south, which is consistent with the third quarter event. <br /> DOCUMENT DISTRIBUTION <br /> We recommend that copies of this report be forwarded <br /> Mr Linda Turkette <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P O Box 2009 <br /> Stockton, California 95201 <br /> Ms Elizabeth Thayer <br /> Califorrua Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> SAC/SAGPJ(IM05108051420 IBM-94 PAS 3 <br />