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Environmental <br /> Resources <br /> Management <br /> MED �� 1777 Botelho Dave <br /> Suite 260 <br /> • 11 fit 0 .1 i006 Walnut Creek, CA 94596 <br /> (925)946-0455 <br /> 30 December 2005 ENV1R0f J[tf;c-{,j7 #t-Ami (925)946-9968(fax) <br /> PERMIT/SERVICES <br /> tMr Harlin Knoll <br /> Public Health Services San Joaquin CountyLE- 5 304 E Weber Avenue, Third Floor <br /> Stockton, CA 95201-0388 ERM, <br />' <br /> Subject 2 5 A r r Monitoring Re ults <br /> 1 00 Annual Ground Wate o g <br /> Former Heinz Facility 7 S <br />' Tracy, California <br />' Dear Mr Knoll <br /> On behalf of Heinz North America (Heinz), Environmental Resources <br />' Management (ERM) has prepared this letter to present the results of the <br /> 2005 annual ground water sampling event conducted at the former <br /> • Heinz facility (site) in Tracy, California <br />' GROUND WATER SAMPLING RESULTS <br /> Water level measurements and ground water samples were collected from <br />' four monitoring wells on 26 October 2005 Ground water samples were <br /> analyzed for total petroleum hydrocarbons as gasoline (TPH-g) (United States <br /> Environmental Protection Agency [USEPA] Method 8015), and benzene, <br />' toluene, ethylbenzene, and xylenes (BTEX) (USEPA Method 8020) Sampling <br /> locations are shown on Figures 1 and 2 Analytical results for ground water <br />' for the current and previous sampling events within the former Tank 1 area <br /> and the former Tank 2 area are summarized in Tables 1 and 2, respectively <br /> Ground water elevation measurements taken during the sampling event are <br /> included in Table 3 Copies of the laboratory analytical results are attached <br /> (Appendix A) <br /> Four of the site monitoring wells (MW-3, MW-5, MW-7, and MW-8) area have <br /> been eliminated from the annual groundwater sampling event due to their <br /> record of non-detect results However, water level measurements from these <br /> wells continue to be collected <br /> • <br />' The ground water sampling results for the remaining four monitoring <br /> wells (MW-1, MW-2, MW-4, and MW-6), are summarized below <br />