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STATE CF CALIFORNIA- Plot . <br /> -� PETE WILSON. Go ,,, <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> SAO RoWa R06O,Sute A <br /> Q4awrAntn,CA W827-210W <br /> iONE:(vie)2E&3= <br /> ,:AX (W B)255-301 S <br /> 3 February 1997 <br /> Ms. Linda Gonsalves <br /> Pacific Gas and Electric Company <br /> 375 North Wiget Lane, Suite 130 FEB _ 5 I J <br /> Walnut Creek, CA 9459&2412 <br /> L <br /> COMMiNITY SERVICES DEPT. <br /> WORK PLAN TO CONDUCT PRELMNARY SOIL AND GRO VFSTIGATIONS, <br /> ELEVEN PACIFIC GAS AND ELECTRIC SITES THROUGHOUT THE CENTRAL VALLEY <br /> I have reviewed the December I996 Workplan to Perform Soil and Groundwater Prelimincay <br /> Environmental Assessment at Eleven PG&E Gas Dehydrator Stations throughout the Central Valley <br /> area and the 30 January 1997 Addendum to the Work Plan. Figure 1 (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 soil 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 gasoline, <br /> and diesel, benzene, toluene, ethylben=e, xylenes and glycol compounds. <br /> The work plan is hereby approved. In accordance with the proposed scbedule, technical reports for the <br /> 11 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 /> aa <br /> EL M. WEISS <br /> Associate Engineering Geologist <br /> JMW:jmw/isb <br /> Attachment <br /> cc: Glenn County Department of Environmental Health Services, willows <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 Managemeut, Fairfield <br /> Sutter County Department of Environmental Health , Yuba City <br /> Tehama County Department of Environmental Heahh, Red Bluff <br /> Yolo County Department of Environmental Services, Woodland <br />