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San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> �. _�� •.p Donna Heran,REHS <br /> z: ? 1868 East Hazelton Avenue <br /> PROGRAM COORDINATORS <br /> U). Stockton, California 95205-6232 <br /> Robert McClel{on,REHS <br /> • Jeff Carruesco,REHS,RDI <br /> Website: www.sjgov.org/ehd Kasey Foley,REHS <br /> Linda Turkatte,REHS <br /> Phone: (209)468-3420 <br /> Fax: (209)464-0138 <br /> November 21, 2012 <br /> Mr. Guillermo Madrigal <br /> 5535 W. F Street <br /> Banta, CA 95304 <br /> Subject: Moore Petroleum Bulk Plant <br /> 5491 F Street <br /> Banta, CA 95304 <br /> Dear Mr. Medrigal, <br /> Thank you for your comment by telephone on October 15, 2012, regarding the pending closure <br /> of the Moore Petroleum leaking underground storage tank (UST) case. The San Joaquin County <br /> Environmental Health Department (EHD) is sorry to learn of your recent health issues and <br /> hopes you will enjoy a return of good health. <br /> Based on the health issue expressed to the EHD by several other residents in the area, the <br /> EHD directed a final round of groundwater sampling that included the residential domestic wells <br /> around and near the former Moore Petroleum site; this sampling, of course, included your well. <br /> You contacted this office a few days after the sampling event took place. <br /> The recent sampling of your well water occurred on October 11, 2012, and laboratory analysis <br /> of the sample did not detect reportable concentrations of any of the chemicals of concern <br /> commonly associated with petroleum releases from UST systems: total petroleum hydrocarbons <br /> quantified as gasoline (TPHg), the aromatic volatile organic compounds benzene, toluene, <br /> ethylbenzene and total xylenes (BTEX), the five fuel oxygenates, of which MTBE is usually <br /> familiar to most people. The latest sampling and analysis likewise did not find detectable <br /> concentrations of compounds associated with diesel, kerosene or motor oil, or the chemicals <br /> 1,2-dichloroethane (1,2-DCA) or ethylene dibromide (EDB). None of the samples collected from <br /> the residential domestic water wells on properties adjacent to the Moore Petroleum site or in the <br /> general down-gradient direction that were sampled during the sampling event (12 wells total) <br /> contained reportable concentrations of any of the chemicals noted above. <br /> The consultant for the former Moore Petroleum site, Apex Envirotech, Inc., will be posting these <br /> results and a report of the sampling event on GeoTracker, the website the California State <br /> Water Resources Control Board (SWRCB) maintains at https://geotracker.waterboards.ca.gov/, <br /> where these results and numerous reports on this site can be reviewed by the public. The site's <br /> global ID is T0607700183. <br /> At this time, the plume of polluted groundwater that resulted from the leak from the UST system <br /> formerly located on the Moore Petroleum site has been delineated and appears to be declining <br /> in size and concentrations. As the SWRCB has set a policy to close UST leak cases that do not <br /> pose a high threat to human health or to the environment, and as our agency cannot <br /> Mr. Guillermo Madrigal Response Letter 1112 <br />