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Donald Sinclair <br /> Shirley Thompson 11 <br /> 3780 Linne Road,Tracy <br /> Page 4 of 4 <br /> the contaminant source remaining in the soil may continue to leach into the <br /> groundwater. <br /> 3. Following completion of whichever remedial option you select, confirmation <br /> borings will be required to assess the extent and mass of.the remaining soil <br /> contamination. <br /> 4. Whichever option is selected, you Will be required to continue quarterly <br /> monitoring and sampling of the groundwater for a minimum of one year following <br /> completion of the remediation. Quarterly.groundwater monitoring and sampling <br /> must continue until SJCIEHD approves either changing the schedule or <br /> cessation of monitoring. <br /> 5. Before implementation of any remediation, a detailed proposal and work plan <br /> must be submitted to SJCIEHD. Include in the work plan the rational and <br /> justification for dropping excavation and proposing the in situ oxidation infusion. <br /> 6. Revised boring logs and cross sections for the SCM must be submitted. <br /> If you have any questions please call Lori Duncan at (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> R <br /> tou <br /> i <br /> M <br /> Lori Duncan, Senior REHS Nuel C. Henderson, Jr., RG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: James Barton, CVRWQCB <br /> Raynold Kablanow, GTI <br /> r <br /> - F <br /> r � <br /> r <br /> k <br />