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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 9 <br /> Sewage evaporation pond influent and in pond samples; pH, specific conductance, <br /> and biochemical oxygen demand routine analytical results from samples collected <br /> at sampling locations ISWP and ESWP. <br /> ISWP ESWP <br /> Specific <br /> conductanc Biochemical Specific Dissolved <br /> pH a oxygen demand pH conductance oxygen <br /> units mhos/cm (mg/L units pmhos/cm m /L <br /> 2003 <br /> 1st quarter 8.67 1,600 800 9.93 7,600 18.5 <br /> 2ndquarter 8.6 1,400 134 9.6 9,580 1.07a <br /> 3rd quarter 8.4 1,780 152 9.3 9,340 9.94 <br /> 4th quarter 8.8 2,250 820 9.6 10,000 16.44 <br /> 2004 <br /> 1 St quarter 8.5 1,500 110 9.6 7,400 25 <br /> 2ndquarte r 8.0 1,300 110 9.9 8,600 28.5 <br /> V quarter 8.1 1,200 79 9.6 8,300 25.4 <br /> 4th quarter 8.3 1,700 150 9.1 7,700 9.48 <br /> 2005 <br /> 1Stquarter 8.3 1,120 70 9.8 3,800 30.3 <br /> 2ndquarter 8.1 1,620 310 10.3 4,050 30.5 <br /> 3rd quarter 7.4 1,070 210 9.9 5,050 7.9 <br /> 4th quarter 8.9 1,940 170 9.5 5,710 28.1 <br /> 2006 <br /> 1Stquarter 8.7 1,802 390 9.9 4,560 22.6 <br /> 2nd quarter 8.5 1,420 180 9.6 4,850 5.89 <br /> Max 8.9 2,250 820 10.3 10,000 30.5 <br /> Min 7.4 1,070 70 9.1 3,800 1.07 <br /> Avg 8.4 1550 263 9.7 6896 18.5 <br /> aSample analyzed within 24 hours, but beyond USEPA recommended hold time of 6 hours <br />