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Evaluation Work Plan for 4 1 October 2009 <br /> Septic Systems and Percolation Pits <br /> Order No. R5-2008 0148 , <br /> Lawrence Livermore National Laboratory Site 300 f <br /> San Joaquin County <br /> f. A list of percolation pits and septic systems that require groundwater monitoring to <br /> determine if beneficial uses have been impacted. <br /> g. A list of percolation pits and septic systems that require the installation of upgradient <br /> and/or downgradient groundwater monitoring wells. <br /> h. A schedule for installing the monitoring wells and a proposed monitoring program for <br /> existing and new monitoring wells. <br /> By 15 October 2009, please send the addendum to the Work Plan stating agreement with the <br /> comments in this letter. <br /> If you have any comments or questions, you may contact me at (916) 464-4657. <br /> SUSAN TIMM <br /> Remedial Project Manager <br /> cc: Ms.Claire Holtzapple, U.S. Department of Energy, LLNL, Livermore <br /> Ms. Kathy Setian, U.S. Environmental Protection Agency, San Francisco <br /> Mr. Jacinto Soto, Department of Toxic Substances Control, Berkeley <br /> Ms. Leslie Ferry, Lawrence Livermore National Laboratory, Livermore <br /> Ms. Karen Folks, Lawrence Livermore National Laboratory, Livermore <br /> Ms. Marylia Kelley, Tri-Valley CAREs, Livermore <br /> Mr. Peter Strauss, PM Strauss & Associates, San Francisco <br /> Ms. Donna Heran, San Joaquin County Environmental Health Department, Stockton <br />