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i <br /> Delta <br /> �/. Environmen#al <br /> • Consultants,Inc. <br /> I Solwng environment-related business problems worldwide www deltaenv coin <br /> 9009 Mountain Ridge Dr - Suite I 10 <br /> Austin, Texas 78759 USA <br /> 512 990 7467 800 477 7411 <br /> Fax 5I2 990 7399 <br />' April 14, 2005 <br /> Mr Michael J Infurna, Jr , Senior REHS <br /> San Joaquin County PHS <br />' Environmental Health Division <br /> 304 East Weber Avenue, Third Floor <br />' Stockton,California 95202 <br /> RE: 2005 First Quarterly Monitoring Report <br />' Former Canteen Facility <br /> 1500 Shaw Road <br /> Stockton, California <br />' Site Code 1727 <br /> Delta Project No.: FA05-005-1 <br />' Dear Mr lnfurna <br /> Delta Environmental Consultants (Delta) was retained by Compass Group USA, Inc (Compass), <br />' to conduct quarterly groundwater gauging and sampling on the property located at 1500 Shaw <br /> Road in Stockton, California (Site) (Figure 1) This quarterly sampling event was conducted in <br /> order to provide a Quarterly Monitoring Report of the impacted groundwater at the Site, in <br />' accordance with State of California regulations <br /> PROJECT OBJECTIVES <br />' The objectives for the 2005 First Quarterly Monitoring Report were to assess the concentrations <br /> of hydrocarbons in Site groundwater due to the former presence of underground storage tanks <br />' (USTs), assess the stability of the groundwater plume, and assess the impacts to the aquifer, if <br /> any, of the operating remediation system The following were conducted during this quarterly <br />' assessment (March 11, 2005) <br /> • Gauged Site monitor wells MW-1,MW-2, MW-3, MW-3A, MW-3D,MW-4, MW-5, MW- <br /> 7 through MW-13, MW-13A and MW-13B to evaluate the presence or absence of free <br /> product and to measure groundwater elevations <br /> A member of <br /> Xinogi�n�,,... <br />