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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 11 <br /> Sewage evaporation ponds ground water monitoring; routine water quality <br /> parameters anal zed in sam les of ground water, 2003 throu h 2006. <br /> Parameter Monitor 2003 2003 2004 2004 2005 2005 2006 <br /> Well 1 St Qtr 3`d Qtr 1St Qtr 3`d Qtr 1 St Qtr 3`d 1 St Qtr <br /> Qtr <br /> pH (units) W-7E 8.54 8.50 8.54 8.53 8.50 7.96 8.53 <br /> W-7ES 7.83 7.68 7.65 7.75 7.77 8.47 7.86 <br /> W-7PS 7.76 7.65 7.95 7.82 7.81 7.90 8.12 <br /> W-35A-04 7.89 7.84 8.05 7.94 7.96 7.84 8.17 <br /> W-25N-20 7.88 7.71 7.66 8.14 8.13 7.91 7.98 <br /> W-26R-01 7.95 7.83 7.79 7.83 8.03 8.12 8.13 <br /> W-26R-05 7.96 8.02 7.96 8.07 8.16 8.26 8.16 <br /> W-26R-11 7.77 7.66 7.83 8.13 7.82 8.07 8.01 <br /> W-7DS 7.86 7.78 7.66 7.99 7.80 7.96 8.04 <br /> Specific W-7E 1440 1420 1480 1500 1530 1700 1500 <br /> conductance W-7ES 1790 1940 1900 1930 1940 1500 1800 <br /> (µmhos/cm) <br /> W-7PS 1500 1740 1470 1850 1450 1800 1600 <br /> W-35A-04 1730 1890 1870 1880 1800 1600 1700 <br /> W-25N-20 1740 1790 1920 1920 1840 1700 1700 <br /> W-26R-01 1360 1310 1440 1320 1400 1400 1500 <br /> W-26R-05 1180 1150 1130 1180 1080 1300 1100 <br /> W-26R-11 1560 1710 1600 1840 1550 1700 1700 <br /> W-71DS 1740 1780 1880 1890 1860 1700 1700 <br /> Nitrate (as W-7E <0.44 <0.44 <0.44 <0.5 <0.44 11 <0.5 <br /> NO3) W-7ES 12.7 10.5 10.6 <0.44 9.22 <0.5 10 <br /> (mg/L) W-7PS 24.8 20.3 19.1 18.4 18.1 17 17 <br /> W-35A-04 14.0 12.5 11.7 10.7 - 14 12 <br /> W-25N-20 12.8 11.3 11.3 9.45 9.16 11 11 <br /> W-26R-01 31.9 28.2 32.5 26 29.1 21 31 <br /> W-26R-05 18.1 8.99 <0.44 3.6 0.48 21 0.73 <br /> W-26 R-11 18.6 14.4 14.1 13.7 14.2 13 13 <br /> W-71DS 12.5 11.3 9.89 9.39 9.02 11 11 <br /> continued <br />