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San Joaquin County <br /> Environmental Health Department <br /> �..-�,�� .•p DIRECTOR <br /> Donna Heran, REHS <br /> 600 East Main Street <br /> ` Stockton, California 95202.3029 PROGRAM COORDINATORS <br /> .• Robert MGClellon,REHS <br /> Jeff Carruesco, REHS,RDI <br /> r4�;fiogN`P Website: www.sjgov.org/ehd Kasey Foley,REHS <br /> Phone: (209)468-3420 <br /> Fax: (209)464-0138 <br /> August 18, 2010 T� <br /> Thrifty Oil Company <br /> Mr. Chris Panaitescu <br /> 13116 Imperial Hwy. <br /> Santa Fe Springs, CA 90670 <br /> Subject: Thrifty Gas Station #171 LOP Case#. 1299 <br /> 1250 N. Wilson Way APN: 117-310-01 <br /> Stockton, CA 95205 Geotracker ID#: T0607700132 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Groundwater <br /> Extraction Pilot Test Work Plan (Plan), which had been submitted to Geotracker. The Plan was <br /> required by the EHD in correspondence dated May 4, 2010. <br /> The Plan proposes a 24-hour continuous, five-day soil vapor and groundwater extraction test <br /> from three onsite wells. Thrifty has identified this combined extraction method as Multiple <br /> Phase Extraction, MPE. <br /> A mobile remediation unit will treat extracted soil vapor and groundwater from monitoring wells <br /> MW-5s, MW-5d, & TB-7 onsite. Soil vapors are to be thermally destroyed and carbon-filtered <br /> groundwater will be temporarily stored onsite in poly tanks pending approval to discharge to the <br /> sewer lines by the City of Stockton Municipal Utilities Department. A report of findings will be <br /> submitted to the EHD within 30 days from the end of the field work. <br /> The Plan is adequate and necessary and approved. [H&S 25296.10(c)(3)]. Please provide a <br /> time schedule for this testing to the EHD by September 17, 2010. <br /> If you have any questions, please contact Michael Infurna at (209) 468-3454. <br /> z4ex�� <br /> Michael J. Infurna Jr., REHS Nuel C. Henderson Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: Mr. James L. Barton, CVRWQCB, Underground Storage Tank Unit, 11020 Sun Center <br /> Drive, #200, Rancho Cordova, CA 95670-6114 <br /> Mr. Mark Owens, SWRCB, Division of Clean Water Programs, Underground Storage <br /> Tank Program, P.O. Box 944212, Sacramento, CA 94244-2120 <br />