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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 20 <br /> Cooling tower blowdown; dissolved metals analytical results from samples <br /> collected at Buildings 801, 827A, and 836A. <br /> Parameter Units B801 B827A B836A <br /> Dissolved metals 9/20/04 9/20/04 9/20/04 <br /> Aluminum m /L < 0.05 < 0.05 < 0.05 <br /> Antimony m /L < 0.005 < 0.005 < 0.005 <br /> Arsenic m /L < 0.002 < 0.002 < 0.002 <br /> Barium m /L 0.025 < 0.025 < 0.025 <br /> Beryllium m /L < 0.0005 < 0.0005 < 0.0005 <br /> Boron m /L 1.5 1.2 1.6 <br /> Cadmium m /L < 0.0005 < 0.0005 < 0.0005 <br /> Chromium m /L < 0.001 < 0.001 0.003 <br /> Cobalt m /L < 0.05 < 0.05 < 0.05 <br /> Copper m /L 0.0072 0.0056 0.0083 <br /> Hexavalent chromium m /L 0.002 < 0.002 0.0067 <br /> Iron m /L < 0.1 < 0.1 < 0.1 <br /> Lead m /L < 0.005 < 0.005 < 0.005 <br /> Manganese m /L < 0.03 < 0.03 < 0.03 <br /> Mercury m /L < 0.0002 < 0.0002 < 0.0002 <br /> Molybdenum m /L 0.031 < 0.025 0.031 <br /> Nickel m /L < 0.002 < 0.002 < 0.002 <br /> Selenium m /L < 0.002 < 0.002 < 0.002 <br /> Silver m /L < 0.001 < 0.001 < 0.001 <br /> Thallium m /L < 0.001 < 0.001 < 0.001 <br /> Vanadium m /L 0.021 < 0.02 0.037 <br /> Zinc m /L 0.044 0.023 < 0.02 <br />