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Additional Site Assessment Report 7 <br /> The Southland Corporation Store#17334 4501 North Pershing Avenue Stockton CA January 15 1998 <br /> If, following two quarters of groundwater monitoring and sampling from the date of removal of the USTs, <br /> dissolved hydrocarbon concentrations have not decreased or are above action levels, a risk based <br /> corrective action plan (RBCA)will be submrtted to the SJCPHS for review and approval <br /> At this time,the dissolved hydrocarbon plume appears adequately delineated, based on the declining <br /> hydrocarbon concentrations downgradient from the source area <br /> During removal of the USTs, itis possible that monitoring wells MW-1 and MW-1A maybe damaged If, <br /> following a discussion with the contractor who will be removing the tanks,A is decided that the wells will <br /> need to be removed, a work plan and necessary permit applications for the destruction of the two <br /> monitoring wells will be submitted to the SJCPHS <br /> 6.0 REFERENCES <br /> Pre-Tank-Relining Site Assessment Report, 7-Eleven Store#17334,4501 North Pershing Avenue, <br /> Stockton,California, Fluor Daniel GTI, February 28, 1997 <br /> Work Plan for Additional Site Investigation , Fluor Daniel GTI, March 29,1997 <br /> Wagner, D L, Bortugus, E J and Mc.Junlan, R D , 1991, Geologic Map of the San Francisco-San Jose <br /> Quadrangle, California, 1 250,000 California Dmsion of Mines and Geology <br /> i <br /> 173usa►rpt <br /> FLUOR DANIEL GTI <br />