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Third Quarter 2004 <br /> Thnfty#172 <br /> October 13, 2004 <br />' Page 4 <br /> reporting period, and 329,944 gallons had been treated and discharged since the commencement <br />' of groundwater treatment Historical groundwater system operations are reported in Table 4a <br /> i <br /> and 4b, and the quarterly analytical results are presented in Appendix E <br />' Summary and Recommendations <br /> The soil vapor and groundwater extraction systems were started on Apnl 26, 2001 A total of <br />' 92,537 pounds of hydrocarbons have been destroyed by the vapor extraction system, and 329,944 <br /> gallons of groundwater have been treated by the groundwater system Due to declining dissolved <br /> hydrocarbon concentrations in other onsite wells, Thrifty focused groundwater cleanup efforts <br />' only on well MW-11 dunng the reporting penod <br />' Closing Comments <br /> Thrifty will continue quarterly groundwater monitoring, gauging, purging, and sampling of the <br /> groundwater monitoring wells, and operation of the remediation system <br /> All interpretations expressed in this report are based solely upon review of data collected by <br /> EMC and laboratory analyses by Associated Laboratories <br /> Respectfully submitted, <br /> SD 0 <br /> V..0EAELInt � iY <br /> NAMichael H Bowery, R G 5027 Chrxs Panaitescu <br /> Project ManagerCA FO General Manager <br /> Environmental Affairs <br /> cc - Ms Michelle Wilson <br /> Circle K Stores, Inc <br /> 495 East Rzncon, Ste 150 <br />' Corona, CA 92879 <br /> - Ms Liz Sewell <br /> Tosca Marketing Company <br />' 76 Broadway <br /> Sacramento, CA 95818 <br /> - File <br />