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9 0 <br /> California Regional Water Quality Control Board <br /> Central Valley Region a <br /> Robert Schneider,Chair Gray Davis <br /> Winston H.Hickox Governor <br /> Secretary for Sacramento Main Office <br /> Environmental Internet Address: http://www.swrcb.ca.gov/mgcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> RF <br /> CF,WED <br /> 21 November 2002 NoV % 5 2002 <br /> ENPEUMITISERVICES EM H <br /> Mr. Ken Price <br /> Miller Springs Remediation Management, Inc. <br /> 2480 Fortune Dr., Suite 300 <br /> Lexington, KY 40509 <br /> AQUIFER TEST WORKPLAN, OXYCHEMSTOCKTON, SAN JOAQUIN COUNTY <br /> Thank you for providing the 26 August 2002 letter prepared by your consultant, Geomatrix <br /> Consultants,proposing a step-rate pumping test from monitoring well MW-5B followed by a <br /> constant rate pumping test at the former agricultural chemical distribution site at 1904 Charter <br /> Way in Stockton. As stated in the letter,the objective of the pumping tests are to identify <br /> hydraulic characteristics preliminary to providing a Feasibility Study/Remedial Options <br /> Evaluation report. Extracted groundwater will be treated with granulated activated carbon <br /> before discharge to the City of Stockton sanitary sewer as proposed in Geomatrix' November <br /> Application for Discharge Permit submitted to the City of Stockton. We concur witth this aquifer <br /> test proposal. <br /> Geomatrix also notes that several groundwater constituents are detected for which cleanup goals <br /> have not been discussed and requests that Board staff update cleanup goals for soil and <br /> groundwater. We are updating the cleanup goals and will transmit them under separate cover. <br /> According to the schedule proposed in the letter,you intend to conduct the aquifer pumping test <br /> in Decembevand pr vide a report of results by 1 February 2003. if you have any questions, <br /> yo may co ct t(916) 255-3080. <br /> AMY TERRELL <br /> Private Sites Cleanup Unit <br /> cc: Mr. Michael Infurna, San Joaquin County Environmental Health Department <br /> Mr. Alan Prouty, J.R. Simplot, Boise ID <br /> Mr. W. T.Nickerson,UNOCAL,Elk Grove <br /> Mr. Timothy Souther, Geomatrix,Fresno <br /> California Environmental Protection Agency <br /> 0 Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. For a list of <br /> simple ways you can reduce demand and cut your energy costs,see our Web-site at http://www.swreb.ca.gov/mgcb5 <br />