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Quik Stop Station No 39 September 23,2005 <br /> Stockton California Results of Additional Subsurface Invest! anon k <br /> groundwater samples collected from hydropunch borings SB-4 and SB-5 further indicate <br /> vertical and lateral delineation of DCA in groundwater No DCA has been detected in <br /> groundwater samples collected during four consecutive events from monitoring wells MW- <br /> 4, MW-5 and MW-6 from November 2004 to August 2005 <br /> Results of the sensitive receptor survey well search indicate only one existing well within <br /> 2000 feet of the site Site conditions do not pose a threat to sensitive receptors within the <br /> survey area <br /> DISTRIBUTION <br /> A copy of this report should be forwarded to <br /> Mr Michael lnfurna Jr Mr James L L Barton <br /> San Joaquin County Regional Water Quality Control Board . <br /> Environmental Health Department Central Valley Region <br /> 304 East Weber Avenue, Third Floor 11020 Sun Center Drive, 4200 <br /> P 0 Box 388 Rancho Cordova, California 95762 <br /> Stockton, California 95201-0388 <br /> LIMITATIONS <br /> This report was prepared in accordance with the methods and procedures in the attached <br /> field methods and generally accepted standards of environmental geological practice in <br /> California at the time of the investigation The investigation was conducted solely for the <br /> purpose of evaluating environmental conditions of the soil and groundwater with respect to <br /> gasoline-related hydrocarbons at the site No soil engineering or geotechnical references are <br /> implied or should be inferred Evaluation of the geological and environmental conditions at <br /> the site are made from a limited number of observation points Subsurface conditions may . <br /> 7039rpt9-05 <br /> Project No 7039 16 8 HORIZON ENVIRONMENTAL INC <br />