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CaliforiSlRegional Water Quality Corol Board <br /> \�' Central Valley Region <br /> Katherine Hart Chair ' <br /> Linda S.Adams Arnold <br /> �ecreiaryfor <br /> 11020 Sun Center Drive#200,Rancho Cordova,California 95670-6114 Schwaaenegger <br /> Ennviroviranmental Phone(916)464-3291 -FAX(916)464-4645 Governor <br /> Prorecrion htty:/Avww.uaWbeards.ca.gov/centraivalley <br /> 28 September 2010 <br /> Mr. Mike Eliason <br /> Valley Pacific Petroleum Services, Inc. <br /> 166 Frank West Circle <br /> Stockton, CA 95206 <br /> REQUEST FOR WORK PLAN, VALLEY PACIFIC PETROLEUM SERVICES, <br /> 23100 SOUTH KASSON ROAD, BANTA, SAN JOAQUIN COUNTY <br /> .As discussed in my email correspondence with you on 15-September 2010, Regional Water <br /> Quality Control Board, Cental Valley Region (Central Valley Water Board) staff is currently <br /> overseeing an ongoing groundwater investigation at the Chevron bulk fuel storage facility at <br /> 22888 Kasson Road. Valley Pacific Petroleum (VPP) operates a cardlock facility at <br /> 23100 South Kasson Road, which is directly east of the Chevron terminal. Groundwater data <br /> from a monitoring well located adjacent to the property boundary between VPP and Chevron <br /> show that total petroleum hydrocarbons as diesel (TPHd) have historically been detected in <br /> this well. <br /> An incident report recently obtained from the San Joaquin County Environmental Health <br /> Division (SJCEHD) documents that a release of about 50 gallons of diesel fuel occurred on <br /> 14 March 1998 from VPP's facility. The SJCEHD report stated that about 7-8 gallons of the <br /> 50-gallon spill flowed from a bermed area onto an unpaved surface. <br /> Cleanup of VPP's diesel spill occurred over two to four days following the release and was <br /> performed using adsorbent pads to soak up the fuel from the ground surface and by <br /> removing shallow contaminated soil. The SJCEHD report documents that five containers of <br /> waste were generated at the completion of the cleanup. However, there is no record of a <br /> subsurface investigation. On 15 September 2010, Central Valley Water Board staff contacted <br /> you and requested documentation of the results of a subsurface investigation. At the time <br /> this letter was prepared, no response was provided in that.regard. <br /> By 19 November 2010; we request that VPP submit either (1) a copy of an existing report of a <br /> subsurface investigation and/or cleanup documenting that the 1998 spill and/or other <br /> discharges have not or no longer pollute groundwater or (2) a site assessment work plan to <br /> investigate the extent of the 1998 diesel spill and/or additional discharges at this site in soil and <br /> groundwater. Enclosed is an outline describing the preferred content for the site assessment <br /> work plan, which may be used as a guideline when preparing the requested work plan. <br /> After-we-receive_the_wo.rk-plan, we MI-send-Y-PP—acost recovery agreement to explain and <br /> establish an account to cover the Central Valley Water Board's costs to oversee the . <br /> investigation. <br /> California Errvironnrental Protection Agency <br /> 2d Recycled Paper <br />