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San Joaquin County DIRECTOR <br /> Donna Heran, RENS <br /> Paul" Environmental Health Department ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla, REHS <br /> c: -r <br /> U). a Stockton, California 95202-3029 <br /> PROGRAM COORDINATORS <br /> • Carl Sorgman,REHS <br /> ov.or Website: www.s' /ehd Mike Huggins,REHS,RDI <br /> gCio'4ta �g g Margaret Lagorio,REHS <br /> Phone: (209)468-3420 Robert McClellon, REHS <br /> Fax: (209) 464-0138 Jeff Carruesco,REHS, RDI <br /> Kasey Foley, REHS <br /> March 26, 2009 <br /> Ray Baglietto & Frank Rauzi Ab Nawar <br /> Tuleburg Warehouse 8200 North Highway 99 <br /> 301 South Aurora Street Stockton, CA 95212 <br /> Stockton, CA 95203 <br /> Subject: Speedy Food Mart SITE CODE: 1612 <br /> 8200 North Highway 99 <br /> Stockton, CA 95212 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Semi- <br /> Annual Groundwater Monitoring and Groundwater Treatment System Operation, <br /> Maintenance and Effectiveness Report — First Quarter 2009 (Report), dated March 9, 2009, <br /> submitted on your behalf by Ground Zero Analysis, Inc. (Ground Zero) and has the following <br /> comments. <br /> In the Report Ground Zero states that on February 10, 2009, the groundwater extraction <br /> system was shut down due to a depressed water table and malfunctioning extraction pump in <br /> well EX-3. Ground Zero proposes using the down time while the pump is repaired to conduct <br /> a rebound test of the groundwater extraction system. In a phone conversation between <br /> Ground Zero and the EHD it was agreed that the extraction system would stay off until May <br /> 2009 when the next routine groundwater monitoring and sampling event will occur. At that <br /> time, all monitoring and sampling activities will be done prior to restarting the system to look <br /> for changes in the groundwater gradient trends and laboratory analytical results. Of specific <br /> interest is the return of reportable concentrations of contaminants in well MW-12, which has <br /> been non-detect since EX-3 was put online with the system. <br /> If you have any questions please call Lori Duncan at (209) 468-0337. <br /> Sincerely, <br /> Lori Duncan, REHS Margare agorio, REHS <br /> Registered Environmental Health Specialist Program Coordinator <br /> cc: James Barton, CVRWQCB, 11020 Sun Center Drive #200, Rancho Cordova, CA 95670 <br /> Eric Price, Ground Zero Analysis, 1714 Main Street, Escalon CA 95320 <br />