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MONITORING AND REPORTING PROGRAM NO. R5-2008-0148 -2- 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 lists analytical methods and reporting limits. 2. The sewage evaporation pond (Location ESWP) shall be sampled and analyzed semi- annually for the all analytes listed on Table 1. Table 1 lists analytical methods and reporting limits. 3 The sewage evaporation pond shall be observed monthly for freeboard, color, odor, and levee condition. 4. When discharge to the percolation pond (Location DSWP) occurs, the discharge shall be sampled for the all analytes listed on Table 1. Table 1 lists analytical methods and reporting limits. Table 1. Sewage ponds wastewater and effluent analytes, analytical methods and reporting limits Analyte EPA (E) or Standard Method Reporting Units (SM), limit Specific conductance E120.1 or calibrated field Not meter applicable mhos/cm pH E150.1 or calibrated field meter ± 0.1 unitless Metals E200.7 or E200.8 Variable 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 Regional Water Board. Groundwater Monitoring 5. 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-26R-03, W-26R-05, W-26R-11, W-25N-20, W-25N-23 and W-7DS (wells are shown on Attachment 8 of Waste Discharge Requirements Order No. R5-2008- 0148) for the analytes listed on Table 2. Table 2 lists analytical methods and reporting limits. 6. 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.