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a - <br /> CW100a I reCk0acs lx C <br /> 1101 71°Street a C <br /> Modesto,califomia 95354 LSH <br /> (209)522-4119/Fax#522-4227 ovkRURMU11 <br /> SERA CES <br /> p�R <br /> r <br /> October 3, 2002 <br /> Project No.: 724.2 <br /> Project Name: Morita(Charter) <br /> Mr. Frank Morita <br /> 6622 Belmont Place <br /> Stockton, CA 95207 <br /> RE: Addendum: Additional Site Characterization Work Plan dated June 27,2002. <br /> Location: Morita Brothers, 814 E. Charter Way, Stockton, CA <br /> Dear Mr. Morita: <br /> Geological Technics Inc. is pleased to present the following Work Plan Addendum for our <br /> June 27, 2002 work plan for additional site characterization. This addendum is presented in <br /> response to the San Joaquin County Environmental Health Department's (SJC/EHD) <br /> September 3,2002 correspondence directives for an addendum to the plan. <br /> In summary, the following modifications will be made to the work plan (see attached site <br /> map for well locations): <br /> • Only one shallow monitoring well (MW-11) will be installed instead of the four <br /> proposed. <br /> • Intermediate wells MW-110 and MW-11 I will be installed as proposed; wells MW- <br /> 108 and MW-109 will be moved west of their proposed locations (approximately <br /> half the distance to wells MW-5 and MW-6) as overhead utilities and trees allow. <br /> • A deep well MW-202 will be installed near MW-2. The new well will be developed <br /> and sampled on the day of installation with a 24-hour laboratory turn around time. <br /> If the well is non-detect, then two additional deep wells (MW-205 & MW206) will <br /> be installed near wells MW-5 & MW-6. If MW-2 is impacted, then three additional <br /> deep wells (MW-208, MW-209 & MW-210) will be installed near wells MW-108, <br /> MW-109&MW-110. <br /> • The deep wells will be screened in the 70-80 feet below grade surface interval. <br /> Sw.� zsnt <br /> it Nlti/Gy� k l"j se rt kwlgl - <br /> 1 ` <br />