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1f=19/2025 16 30 2094683433 EHD PAGE 02 <br /> h NSF 01 00� M:11 <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> G Untr Supervt3urs <br /> Donna TC fleran,R E H s 304 East Weber Avenue, Third Floor catI Bergman,R E H s <br /> Director Mike Hugpnc,R E H S,R D I <br /> Al Olsen,M xs. Stockton, California 95202-2708 Douglas W Wilson,RE H S <br /> Program Manager Telephone (209) 468-3420 Lagorio,R E H S <br /> FOR Laune A Cotulla,]LEMS Robert McCleIlon,R E N S <br /> Program Manager Fax- (209) 464-4138 Mirk Barcellos R E H S <br /> GIL MOORE PRESIDENT JUL 15 2005 <br /> NEW WEST PETROLEUM <br /> 1831 16"' STREET � <br /> SACRAMENTO CA 95514 <br /> RE Shell Branded 1 New West Gas #1003 RO#lSrte Code 1705 <br /> 6437 W Banner Avenue <br /> Lodi, CA 95242 <br /> On March 9, 2005, San Joaquin County Environmental Health Department (EHD) <br /> notified you that the above referenced site was placed in the Local Oversight <br /> Program (LOP) as a result of the Unauthorized Release Form (March 3, 2005) <br /> that was filed due to ground water contamination noted in the monitoring well <br /> (MW-19a and MW-19b) placed approximately thirty feet southeast (down <br /> gradient) from your underground storage tanks (UST) <br /> In phone conversations with you and Michael lnfuma of EHD just prior the March <br /> 9, 2005 LOP notification, you were advised that a work plan to conduct a ground <br /> water investigation for the lateral and vertical extents of the petroleum plume was <br /> due at EHD within 60 days As of the date of this letter, the work plan has not <br /> been received <br /> The presence of a community service well (CSA) down gradient of your UST <br /> system combined with the unknown extent of your petroleum plume are of great <br /> concern to EHD and the Central Valley Region Water Quality Control Board <br /> (CVRWQCB) <br /> You are hereby directed to submit a work plan for the placement of <br /> monitoring wells on the above referenced site and between the site and the <br /> CSA wells within 200 feet of the USTs at the site by July 29, 2005 The work <br /> plan should include the collection and analysis of soil samples for Total <br /> Petroleum Hydrocarbons as gasoline (TPHg), BTEX, and the fuel oxygenates by <br /> EPA Method 8260$ Existing groundwater data from monitoring wells placed at <br /> and down gradient of your site indicate that the ground water is impacted at the <br /> first ground water level and the next deeper zone, approximately 40-45 feet <br /> below ground surface Your soil investigation and the placement of monitoring <br /> well screens should include these separate zones <br />