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SECOR <br /> Inlet national 9cotpo cited <br /> t/ <br /> U' 'O <br /> September 13, 2000 <br /> Mr Marty Hartzell �. <br /> California RWQCB Central Valley Region <br /> 3443 Routier Road <br /> Sacramento, CA 95827-3003 <br /> Subject: Work Plan for Well Installation and Feasibility Testing <br /> Ranch Market Site <br /> 23569 South Santa Fe Road <br /> Riverbank, California <br /> SECOR Project No. 077.42098.001 <br /> Dear Mr Hartzell <br /> SECOR International Incorporated (SECOR) submits this letter as a work plan to install six <br /> . soil vapor extraction wells and one air sparge well that will be used to conduct a soil vapor <br /> extraction and air sparge feasibility test at the Ranch Market Site located at 23569 South Santa <br /> Fe Road in Riverbank, California (Figures 1 and 2 Attachment 1) <br /> 1.0 REGULATORY REVIEW & DIRECTION <br /> The work plan has been prepared in response to the Regional Water Quality Control Board <br /> Central Valley Region (RWQCB) letter dated August 18, 2000 from Mr Marty Hartzell <br /> (Attachment 2) <br /> The proposed work includes the following <br /> ■ Permit and install one air sparging (AS) well over the former tank pit <br /> ■ Permit and install six soil vapor extraction (SVE) wells adjacent to the former <br /> tank pit <br /> ■ Using the SVE and AS wells, conduct a two day SVE/AS remedial feasibility <br /> test <br /> ■ Prepare a Problem Assessment Report (PAR) following Appendix A to the Tn- <br /> Regional Guidelines <br /> CA 95670 916 861 0400 916,S61 04-,0 ha i 1111111 WUP c(JnJ <br />