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f 7 <br /> removed by vapor extraction is presented in Table 3 Field Status System Reports are presented in <br /> i Appendix C <br /> A groundwater aquifer characterization test (24-hour pump test) was conducted by Hydrogeo <br /> Consultants on March 16 and 17, 2002, and the Aquifer Testing Report and Remedial Action Plan <br /> Report was forwarded to the San Joaquin County Site Mitigation Unit (SJCSMU) under Thrifty <br /> letterhead on July 15, 2002 <br /> I <br /> In a letter from the San Joaquin County, Environmental Health Department(SJEHD) on August 13, <br /> 2002, the SJEHD requested several items including a cost estimate for the groundwater extraction <br /> system proposed Via a telephone conversation with Mr Mike Infurna Jr , a representative of <br /> SJEHD, and Mr Raymond Friedrichsen, a representative of Thrifty Oil Co , it was agreed to wait <br /> until the results of the third quarter 2002 sampling event were known before any work plans were <br /> submitted Upon review of the data, Thrifty will be submitting a work plan for additional work as <br /> requested in the August 13, 2002 letter Thrifty is also including the cost estimates for the <br /> groundwater extraction system that was proposed in the Hydrogeo Consultants Aquifer Testing <br /> Report and Remedial Action Plan Report The cost estimate is presented in Appendix E, and will <br /> be Table 8 in the Hydrogeo report <br /> Thrifty will continue the current groundwater monitoring and sampling program, and continue <br /> operation of the vapor extraction system All interpretations expressed in this report are based solely <br /> upon the review of data collected by EMC and analysis by Associated Laboratories <br /> Written by Reviewed by p(,D <br /> w jM0IL <br /> Cr <br /> a <br /> and C Friedrxchsen, REAII im Zenor RG OF C <br /> 4roject Manager, MBA Registered Geologist#6701 <br /> Senior Environmental Hydrogeologist <br />