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REVISED MONITORING AND REPORTING PROGRAM ORDER NO. R5-2008-0148 -3- LAWRENCE LIVERMORE NATIONAL SECURITY, LLC AND THE U.S. DEPARTMENT OF ENERGY FOR LAWRENCE LIVERMORE NATIONAL LABORATORY SITE 300 SAN JOAQUIN AND ALAMEDA COUNTIES Table 1 continued. Sewage ponds wastewater analytes, analytical methods and re ortin limits. Analyte EPA (E) or Standard Method Reporting Units SM ' limit, Zinc E200.7 or E200.8 0.02 m /L Dissolved oxygen E 360.1 or calibrated field 0.05 mg/L meter Biochemical oxygen SM 5210B 2 mg/L demand Total coliform SM 9211 2 MPN/100mL Fecal coliform SM 9211 2 MPN/100mL Or equivalent method as approved by the Central Valley Water Board. 2 All detections between the reporting limit and detection limit shall be reported as estimated with a "J" flag. Groundwater Monitoring 6. Groundwater near and below the sewage evaporation and percolation ponds shall be sampled and analyzed semi-annually from upgradient wells W-7ES and W-7PS, crossgradient monitoring well W-35A-04, and downgradient monitoring wells W-26R-01, W-25N-22, W-26R-05, W-26R-11, W-25N-20, W-25N-23 and W-7DS for the analytes listed on Table 2. Well locations are shown on Attachment 2. Table 2 below lists analytical methods and reporting limits. 7. Semi-annual sample collection shall be separated by at least 3 months and collected during periods that represent seasonally high and seasonally low ground water elevations. Table 2. Sewage ponds groundwater analytes, analytical methods and reporting limits Analyte EPA (E) orgmete porting Units Standard Method SLimit, Ground water elevation Field measurementNot Feet or Meters licable Specific conductance E120.1 or calibrated field Not licable mhos/cm H E150.1 or calibrated field ± 0.1 Unitless Total coliform SM 9211 2 MPN/100mL Fecal coliform SM 9211 2 MPN/100mL Chloride E300.0 0.5 m /L Nitrate as NO3 E300.0, E354.1, or E353.2 0.5 m /L Sulfate E300.0 1 m /L Total Dissolved Solids TDS E160.1 1 m /L Aluminum E200.7 or E200.8 0.05 m /L