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California Reg�nal Water Quality C09trol Board <br /> Central Valley Region ; <br /> Robert Schneider,Chair <br /> wioston H. Hickox Gray Davis <br /> Secretaryfor Sacramento Main Office Governor <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 /> 27 April 2001 <br /> Mr. Jeff Goold <br /> Equiva Services LLC <br /> 10602 NE 38th Place <br /> Kirkland, WA 98083 <br /> REVIEW OF SITE INVESTIGATION WORK PLAN,EQUILON ENTERPRISES,LLC, BULK <br /> FUEL TERMINAL, STOCKTON, SAN JOAQUIN COUNTY <br /> We have reviewed the 20 April 2001 Site Investigation Work Plan (Work Plan) submitted for the <br /> Equilon bulk fuel facility at 3515 Navy Drive, Stockton by Toxichem Management Services, Inc. <br /> (Toxichem) on behalf of Equiva Services, LLC (Equiva), a service organization that manages the <br /> environmental assessment and remediation for Equilon. The Work Plan proposes to install and develop <br /> four monitoring wells to delineate the lateral extent of petroleum contamination in groundwater. <br /> Monitoring wells will be installed northeast and southwest of the property, and on the west side of the <br /> property. Two soil samples will be submitted per boring for chemical analyses. In addition, all site <br /> monitoring wells will be surveyed to ensure groundwater elevation measurements are accurate, and <br /> monitoring wells associated with the groundwater extraction system will be redeveloped to reduce silt <br /> buildup and increase extraction flow. <br /> The Work Plan is hereby approved on the condition that one of the two soil samples collected per boring <br /> is collected from the capillary fringe or smear zone. By 6 July 2001,please submit an investigation <br /> report summarizing fieldwork activities, analytical results of soil and groundwater, well construction <br /> details, findings of the investigation, conclusions and recommendations. If you have any questions, you <br /> may contact me at(916) 255-3119 or lewisd(arb5s.swrcb.ca.gov. <br /> _4C.I" <br /> DEVRA LEWIS <br /> Environmental Specialist JI <br /> cc: Ms. Margaret Lagorio, San Joaquin County Public Health Services, Stockton <br /> Mr. Ross Tinline, Toxichem Management Systems, Inc., San Carlos <br /> California Environmental Protection Agency <br /> ea 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.mcb.ca.gov/mgcb5 <br />