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Del Monte Foods—Research Center <br /> 205 North Wiget Lane <br /> i Walnut Creek, CA 94598-2458 <br /> I Telephone: (925) 944-7300 G7 <br /> r <br /> FAX: (925) 942-0940 p <br /> rC <br /> 4 <br /> November 30,2001 <br /> Mr. Marty Hartzell N n <br /> Associate Engineering Geologist <br /> California Regional Water Quality Control Board <br /> 3443 Routier Road, Suite A <br /> Sacramento, CA 95827-3003 <br /> Dear Mr. Hartzell: <br /> Re 'Scheduie for risco Property,'110 Filbert Street Stockton,' <br /> f You requested a schedule by December 3, 2001 to complete the following three (3) tasks at the <br /> Disco site in Stockton: <br /> 1, Install an approved on-site extraction well <br /> 2. Complete the necessary aquifer testing <br /> 3. Submit a Corrective Action Plan <br /> As you are aware from our phone conversation on November 15, 2001, Del Monte intends to <br /> go out for competitive proposals for the activities listed above and the remaining phases of the <br /> remediation work at the Disco site. Those elements would become part of the selected <br /> contractor's work plan. Del Monte wants the remediation contractor to assume full <br /> responsibility for the treatment system, including any extraction wells and their design. At this <br /> point, based on the characteristics of the plume, I think we are all assuming that the proposed <br /> remediation plan will include some aspect of pumping and treating. That could possibly <br /> change if someone has an innovative idea after reviewing the data. However, the schedule <br /> below includes installation and development of an extraction well. <br /> Based on the current site work, our estimated timing for selecting a remediation contractor, and <br /> our thoughts on the time-they will need to conduct the work,the schedule is projected as <br /> follows: <br /> December 14, 2001 Complete the installation of the plume monitoring wells <br /> December 17, 2001 Receive water quality data for initial samples of shallow wells <br /> December 17,2001 Issue a Request for Proposals to qualified contractors for the <br /> remediation phase <br /> January 4, 2002 Obtain initial water quality results of the deep well <br /> c January 31, 2002 Select the successful remediation phase_contractor <br /> <. - April 1, 2002 Install and develop the extraction well <br /> April 15, 2002 Complete the necessary aquifer testing <br /> June 1, 2002 Submit the corrective action plan to PHS for approval <br />