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rld- <br /> '4-0 Quik Market#39 Page 2 <br /> 2285 E. Fremont Street July 17, 2009 <br /> Stockton, CA <br /> A Central Valley Regional Water Quality Control Board (CVRWQCB) checklist is also <br /> included in the guidelines that list the minimum documents to be included and it should <br /> be used to ensure all necessary information is provided in the NFAR. <br /> In addition, provide an estimate of the residual contaminate mass in soil and ground <br /> water to be left in place and an estimate of the time required for impacted ground water <br /> to achieve basin plan Water Quality Objectives (WQO). Soil contamination levels must <br /> be compared to the SFBRWQCB's ESLs and a rationale provided to justify leaving any <br /> contamination in place that exceeds the ESLs for gross contamination or direct <br /> exposure. <br /> Until the NFAR is submitted to the EHD and to comply with the State Water Resources <br /> Control Board (SWRCB) Resolution #2009-0042, the following modification to the <br /> ground water sampling and analyses is to be enacted: <br /> • Monitoring wells MW-1, MW-2, and MW-3 are to be sampled semi-annually for <br /> total petroleum hydrocarbons as gasoline (TPHg) and 1,2-dichloroethane (DCA) <br /> starting the first quarter 2010. <br /> • Monitoring wells MW-4 through MW-8 are to be sampled annually for TPHg, <br /> benzene, toluene, ethylbenzene, total xylenes (BTEX), methyl tert-butyl ether <br /> (MtBE), and DCA starting the first quarter 2010. <br /> If you have any questions, please contact Michael Infurna at (209) 468-3454. Mr. <br /> Infurna can also be reached by email at minfurna s'cehd.com. <br /> Michael J. Infurna Jr., REHS Nuel C. Henderson Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> MJllnh <br /> c: Mr. James L. Barton, CVRWQCB, Underground Storage Tank Unit, 11020 Sun <br /> Center Drive, #200, Rancho Cordova, CA 95670-6114 <br /> Mr. Mark Owens, SWRCB, Division of Clean Water Programs, Underground <br /> Storage Tank Program, P.O. Box 944212, Sacramento, CA 94244-2120 <br /> Mr. Rexford Smith, Horizon Environmental, 4970 Windplay Dr., #C5, EI Dorado <br /> Hills, CA 95762 <br /> 2285 Fremont NFAR CML 7-17-2009.doc <br />