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California Rem anal Water Quality C itrol Board <br /> Central Valley Region q. <br /> Robert Schneider,Cit, tr <br /> Winston H.Hickox Sacramento Main Offtce Gray Davis <br /> Secretaryfor Internet Address: http://www.swrcb.ca.gov/rwgcb5 Governor <br /> Environmental 3443 Routier Roa@gu@-Sac�meptp CAIjfgq- 95827-3003 <br /> Protection Phone(916)25 - OOT FA 1 2 15 <br /> 7 October 2002 <br /> Mr. Tracy Sizemore <br /> Phillips Petroleum Company <br /> 1338 Phillips Building <br /> Bartlesville, OK 74004 <br /> REVIEW OF REPORTS, FORMER BP TERMINAL #10013, STOCKTON, SAN JOAQUIN <br /> COUNTY <br /> We have reviewed the following reports submitted by URS Corporation (URS) on behalf of <br /> PhillipsConoco Petroleum Company(PhillipsConoco) for the former BP Oil Bulk Terminal No. 10013 <br /> at 3505 Navy Drive in Stockton: <br /> 30 July 2002 Second Quarter 2002 Groundwater Monitoring(QMR); <br /> • 13 September 2002 Evaluation of Pilot Extraction Test(Report); and <br /> • 1 October 2002 Work Plan for Interim Remedial Action (Work Plan). <br /> The QMR describes the groundwater monitoring activities conducted in May. The Report describes the <br /> pilot extraction test performed in August. URS performed the step-drawdown test in monitoring well <br /> MW-8 to determine an optimal extraction rate and pollutant concentrations extracted in order to design a <br /> groundwater extraction and treatment system. URS submitted field logs representing data collected from <br /> the pump tests on 24 September. <br /> The Work Plan proposes to convert wells MW-8 and MW-14 from monitoring to extraction wells to <br /> begin extracting groundwater to contain the plume and begin removing and treating groundwater in the <br /> area with the highest concentrations. PhillipsConoco will install piezometers to monitor the radii of <br /> influence from the two extraction wells. The Work Plan proposes treating the extracted groundwater <br /> using HiperOxidation(HiPOxTM)with a schedule for start-up and full scale operation monitoring. The <br /> Work Plan does not include a final destination for the treated effluent pending a Rill cost analysis for the <br /> permitting. <br /> We concur with the Work Plan as proposed provided that the influent and effluent sampling follows the <br /> sampling schedule proposed for the piezometers. Regional Board staff must receive detailed plans for <br /> the disposal of the treated groundwater prior to system start-up. Based on the schedule in the Work <br /> Plan, by 28 October 2002,please submit the final discharge option for the treated groundwater along <br /> with the appropriate forms and fees, if needed. If you have any questions you may contact me at <br /> (916) 255-3119 or by email at lewisd@rb5s.swrcb.ca.gov. <br /> DEVRA LEWI <br /> Environmental Scientist <br /> cc: Ms. Margaret Lagorio, San Joaquin County Environmental Health Department, Stockton <br /> Ms. Amy Breckenridge, URS Corporation, Oakland <br /> California Environmental Protection Agency <br /> (a Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple ways you can reduce demand and cut your energy costs,see our Web-site at http://www.swrcb.ca.gov/rwgcb5 <br />