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REVISED MONITORING AND REPORTING PROGRAM ORDER NO. R5-2008-0148 <br /> -5- <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 /> COOLING TOWER BLOWDOWN EFFLUENT MONITORING <br /> 10. The Discharger shall semi-annually collect representative grab samples of <br /> blowdown discharges from each active cooling tower for the analytes shown in Table <br /> 3. Active cooling towers which discharge to percolation pits are located at Buildings <br /> 801, 809, 817A, 826, 827A, and 851. The cooling tower which discharges to a septic <br /> system is located at Building 825, <br /> 11. The Discharger shall also record the total flow monthly blowdown flow from the <br /> cooling towers. <br /> MECHANICAL EQUIPMENT DISCHARGE EFFLUENT MONITORING <br /> 12. The Discharger shall collect semi-annually representative grab samples of <br /> mechanical equipment discharges at Buildings 827 A, C, D, E and 806A for the <br /> analytes shown in Table 3. The Discharger shall retrofit the percolation pit <br /> discharges to facilitate the collection of composite samples. Starting in the first six <br /> months of 2010, the Discharger shall collect semi-annually composite samples of <br /> mechanical equipment discharges at Buildings 827 A, C, D, E and 806A for the <br /> analytes shown in Table 3. Composite samples shall be representative of the <br /> combined discharge to the percolation pit over a period of operation occurring within <br /> a single day at each specified facility. <br /> Table 3. Cooling tower and mechanical equipment effluent analytes, analytical <br /> methods and reporting limits <br /> EPA (E) or Reporting <br /> Analyte Standard Method (SM)' Limit' Vnits <br /> Aluminum E200.7 or E200.8 0.05 <br /> Arsenic E200.8 0.002 Barium E200.7 or E200.8 0.025 Boron E200.7 0.05 Cadmium E200.8 or 3113B 0.05 CalciumE200.7 0.5 m <br /> Chloride E300.0 0.5 m /L <br /> Chromium E200.8 or 3113B 0.001 m /L <br /> Chromium VI E218.6, 7199 or E200.8 0.001 m /L <br /> Copper E220.2 or E200.8 0.001 m /L <br /> Fluoride E300 or SM450OF 0.05 m /L <br /> I ron E200.7 0.1 mg//L <br /> Lead E239.2 or E200.8 0.005 m /L <br /> Ma nesium E200.7 0.5 mg/ L <br /> Manganese E200.7 or E200.8 0.03 m /L <br /> Mercury_ SM3112B or E245.2 0.0002 m /L <br />