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STATE OF CALIFORNIA-Em4rorvn*tit,I Prded MC] <br /> PETE WILSON, Govemoi <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> 34a R&.Zw Rob,8uR•A <br /> "�+awrw tc,CA QW27—XW <br /> -40NE:(916)256 <br /> ,:AX'(916)2E&3015 <br /> 3 February 1997 <br /> Ms. Linda Gonsalves <br /> Pacific Gas and Electric Company D r { t <br /> 375 North Wiget Lane, Suite 130 FEB 5 X97 11 J <br /> Walnut Creek, CA 94598-2412 <br /> L <br /> COMMUNITY SERVICES DEPT. <br /> WORK PLAN TO CONDUCT PRELrVILNA RY SOIL AIND GRO <br /> ELEVEN PACIFIC GAS AIV-DELECTRIC SITES THROUGHOUT THE CENTRAL VALI-Ey ONS , <br /> I have reviewed the December I996 Workplan to Perform Soil and Groundwater Preliminrny <br /> Environmental Assessment at Eleven PG&E Gas Dehydrator Stations throughout the Central Valle}' <br /> area and the 30 January 1997 Addendum to the Work Plan. Figure I (attached) shows the locations of <br /> the 11 sites. The work plan describes the historical activities at each of the sites and proposes to drill <br /> borings at each site in order to sample sod and groundwater. Temporary wells will be constructed or a <br /> hydropunch-type sampling device will be used to obtain grab groundwater samples at each boring <br /> location. Soil and groundwater will be analyzed for total petroleum hydrocarbons measured as <br /> and diesel, benzene, toluene, ethylbenzene, xylenes and glycol compounds. <br /> The work plan is hereby approved. In accordance with the proposed schedule, technical reports for the <br /> I 1 sites will be submitted by 16 May 1997. Please provide at least 72 hours notice prior to field <br /> activities in case I wish to observe the field methods or obtain split samples. <br /> If you have any questions, you may call me at (916) 255-3077. <br /> iELM. WEISS <br /> Associate Engineering Geologist <br /> JMW:jmw/Isb <br /> Attachment <br /> cc: Glenn County Department of Environmental Health Services, Wrllows <br /> Sacramento County Department of Environmental Management, Hazardous Materials Division, <br /> Sacramento <br /> San Joaquin County Department of Public Health Services, Stockton <br /> Solano County Department of Environmental IIealth ManagemenL, Fairfield <br /> Sutter County Department of Environmental Health , Yuba City <br /> Tehama County Department of Environmental Health, Red Bluff <br /> Yolo County Department of Environmental Services, Woodland <br />