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Q ! <br /> ! Geological recl�/tics Inc. <br /> I 101 7111 Street <br /> Modesto,Califomia 95354 <br /> (209)522-4119/Fax#522-4227 <br /> September 30, 2002 FCENEDDProject No 6622 mo <br /> Project Name Cardoza (Main St) <br /> OCT 0 9 2002 <br /> Mr Ed Cardoza <br /> Cardoza Enterprises NV1RaNMEN� H1=��TH <br /> PO Box 1022 PERMt�IS�RVICES <br /> Manteca, CA 95336 <br /> RE Addendum #3 To Soil & Groundwater Investigation Work Plan, October 8, 2001 <br /> Location Super Stop Market, 290 N Main St <br /> Dear Mr Cardoza <br /> Geological Technics Inc (GTI) is pleased to present the attached Addendum #3 to our <br /> above referenced work plan GTI originally proposed to install one shallow and five deep <br /> monitoring wells in our work plan In his October 26, 2001 correspondence Mr Sam Savig <br /> of SJC PHS/EHD directed that a single, continuously sampled boring be installed first with <br /> additional well locations to be suggested in a subsequent addendum The first bonng/well <br /> MW-104 was installed on May 30, 2002 In our July 2, 2002 "Work Plan Addendum #2" <br /> GTI proposed the locations of the additional wells In telephone conversations with GTI <br /> staff, Mr Mike Infurna of the SJC PHS/EHD (Mr Savig no longer works for the SJC <br /> PHS/EHD) requested an addendum that included a well up gradient of the former and <br /> existing UST tank locations <br /> This plan calls for <br /> * Advancing two water table monitoring wells to determine the lateral extent of the <br /> groundwater plume (MW-5 & 6) <br /> * Installing three deep monitoring wells to determine the lateral and vertical extent of the <br /> groundwater plume (MW-106, 107, 108) <br /> * The locations of the proposed wells are indicated on the attached site map The <br /> construction and development/sampling protocols will follow those in the anginal work <br /> plan and addenda <br /> * The site conceptual model will be clarified as indicated by the proposed well locations <br /> in Cross Section A—A' (attached) <br /> If you have any questions or need additional information, please contact me Thank you for <br /> this opportunity to serve your environmental needs <br /> Si erely, <br /> Rayn Id I -441 <br /> ian w 11, Ph D <br /> Vice President <br /> cc Mike Infurna - San Joaquin County PHS/EHD <br /> Marty Hartzell - CRWQCB-CVR <br />