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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2008-0148 ] <br /> LAWRENCE LIVERMORE NATIONAL SECURITY, LLC AND <br /> THE U.S. DEPARTMENT OF ENERGY FOR <br /> LAWRENCE LIVERMORE NATIONAL LABORATORY SITE 300 <br /> SAN JOAQUIN AND ALAMEDA COUNTIES <br /> Attachment 15 <br /> Summaryof Site 300 active percolation pits <br /> Building Waste Percolation pit Wells Up Wells Down Directio Water Current Distance of <br /> stream design gradient of gradient of n of bearing depth to downgradient <br /> (dimensions percolation percolation pit flow zone ground well from <br /> [ft] and design pit water percolation pit <br /> rate) (ftft <br /> 801 Cooling 12x12x7 NC211 D a Tnbsj/ <br /> tower 860 gpd - ESE Tnbso 50 n <br /> 806 Mechanical 4x3x3 W-808-01 SE Tps 50 850 (from 806B <br /> equipment 50 gpd a W-808-02 Tnsc2 Below percolation pit <br /> (both cross 96 to W-808-01 & <br /> gradient W-808-02 <br /> 809 Cooling 6x6x6 W-809-02 W-815-02 SE Tnbs2 104 420 (from 809B <br /> tower 300 gpd W-815-08 Tnbs, 1270 cooling tower <br /> to W-815-02, <br /> & W-815-08) <br /> 812 Cooling 12x12x5 W-812-01 W-812-2009 SW Tnbsj/ 47 120 (from 812E <br /> tower 360 gpd W-812-02 Tnbso cooling tower <br /> to W-812-2009) <br /> 817A Cooling 7x7x5 W-817-06A W-817-04 SE Tnbs2 76 625 (from 817A <br /> tower 300 gpd W-817-01 (up cooling tower <br /> gradient or to W-817-04) <br /> cross-gradient) <br /> continued <br />