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Environmental <br /> Resources <br /> Management <br /> 1777 Botelho Drive <br /> Suite 260 <br /> S,Ep 2 4 2003 Walnut Creek,CA 94596 <br /> (925)946-0455 <br /> ENVIRONMENT HEALTH (925)946-9968(fax) <br /> 22 September 2003 PERMIT/SERVICES <br /> Mr Harlin Knoll <br />' Public Health Services La- <br /> 304 <br /> San Joaquin County E Weber Avenue, Third Floor ERM, <br /> Stockton, CA 95201-0388 <br />' Subject 2003 Annual Ground Water Monitoring Results <br /> Former Heinz Facility <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 /> lieannual ground water sampling event conducted at the former Heinz <br /> facility (site) in Tracy, California <br />' GROUND WATER SAMPLING RESULTS <br /> IWater level measurements and ground water samples were collected from <br /> eight monitoring wells on 22 July 2003 Ground water samples were <br />' analyzed for total petroleum hydrocarbons as gasoline (TPH-g) (United <br /> States Environmental Protection Agency [USEPA] Method 8015), and <br /> benzene, toluene, ethylbenzene, and xylenes (BTEX) (USEPA Method 8020) <br /> Sampling locations are shown on Figures 1 and 2 Analytical results for <br /> ground water for the current and previous sampling events within the <br /> former Tank 1 area and the former Tank 2 area are summarized in Tables 1 <br /> Iand 2, respectively Ground water elevation measurements taken during <br /> the sampling event are included in Table 3 Copies of the laboratory <br /> analytical results are attached (Appendix A) <br /> The ground water sampling results are summarized below <br /> Former Tank 1 Area Location <br /> INo detectable concentrations of chemicals were reported at MW-3 or <br /> MW-7 (Figure 1) Hydrocarbon concentrations at MW-1 and MW-4 were <br />