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e , <br /> . 1 <br /> California Regional Water Quality Control Board ` ; <br /> Central Valley Region ` <br /> Robert Schneider,Chair <br /> EE��' I r <br /> Winston H.Hickoxa �R �s-=" <br /> secretaryfor Sacramento Main Office Governor <br /> Environmental Internet Address: http://www.swrcb.ca.gov/rwgcb5 N O V 1 3 2002 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> ENVIRONMEN 1 rir_ALTH <br /> PERMIT/SERVICES <br /> �: <br /> 19 July 2002 <br /> Mr. Tracy Sizemore <br /> Phillips Petroleum Company <br /> 1338 Phillips Building <br /> Bartlesville, OK 74004 <br /> REVIEW OF WORK PLAN FOR SUBSURFACE INVESTIGATION, FORMER BP <br /> TERMINAL #10013, STOCKTON, SAN JOAQUIN COUNTY <br /> We have reviewed the following documents submitted on behalf of Phillips Petroleum Company <br /> (Phillips) for the former BP Oil Bulk Terminal No. 10013 at 3505 Navy Drive in Stockton (site): <br /> • 10 April 2002 Quarterly Groundwater Monitoring Report First Quarter 2002 (QMR) <br /> submitted by Horizon Environmental Inc.; <br /> • 3 July 2002 Response to Board Comments Dated June 17, 2002 (Response) submitted by <br /> URS Corporation (URS); and <br /> • 11 July 2002 Work Plan for Subsurface Investigation (Work Plan) submitted by URS. <br /> The QMR discusses the groundwater monitoring activities conducted on 21 February 2002. The <br /> Response replies to four comments in Board staff's 17 June 2002 letter. We have no comments <br /> on the QMR or Response. <br /> The Work Plan provides a comprehensive summary of previous investigations, proposes to <br /> advance six cone penetrometer locations for site lithology definition, conduct a soil gas survey <br /> along the former vapor recovery line, and collect soil and grab groundwater samples to define the <br /> lateral and vertical extent of pollution and investigate potential petroleum source areas. In the <br /> event of detections in the soil gas survey along the former vapor recovery line, Phillips will <br /> collect confirmation samples from up to six additional borings. The proposed sampling locations <br /> for this investigation are on and off-site. Phillips also proposes to abandon wells N-1, N-2, W-1, <br /> and W-2, which were installed as temporary monitoring points for the aquifer pump testing <br /> activities. <br /> On 16 July 2002, Board staff contacted Mr. Tracy Sizemore of Phillips to clarify sampling <br /> analytes and techniques for the proposed work. On 17 July 2002, Mr. Sizemore verified via <br /> electronic mail that Phillips will include ethanol in the fuel oxygenate suite, that grab <br /> groundwater samples will come from the same boring as the soil samples, and that soil samples <br /> will replace the proposed soil gas survey. <br /> We concur with the Work Plan as clarified by the 17 July 2002 correspondence. Based on the <br /> time needed to obtain off-site access, by 1 November 2002,please submit an investigation report <br /> California Environmental Protection Agency <br /> ca 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 />