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Tab e 7 Suplplemental Analytical Results t ARCADIS Forward Landfill Quarterly Monitoring Report-First Quarter 2026 9999 South Austin Road San Joaquin County,California Leachate Sumps' Pan Lysimeters' Monitoring Wells Field JML J� i J� J� J� MMEMP Jill � pH SU 7.37 7.18 lllllllllllllM69 7.19 7.35 7.30 7.30 7.46 7.15 DRY DRY DRY "MODOROYM7 7.36 8 7.71 8.16 Specific ConductancePS/cm 7019 7674 10830 10.91 12.93 14.83 25.64 32.03 22.18 DRY DRY DRY DRY 554 540 482 568 Temperature °C 30 32.1 30.7 28.9 28.7 25.6 27.4 27.7 27.6 DRY DRY DRY DRY 17.1 17.2 17.8 17.9 Turbidity NTU 45 27 12 43 3 128 18 105 34 DRY DRY DRY DRY 27 2 7 2 rganic Constituents Dissolved Cyanide m /L 0.0065 0.0083 0.0093 0.010 0.011 0.011 0.014 0.017 0.012 DRY DRY DRY DRY <0.0050 <0.0050 <0.0050 <0.0050 Dissolved Sulfide m /L <0.10 <0.10 <0.10 <0.10 <0.10 0.050 J 0.11 0.14 0.062 J DRY DRY DRY DRY <0.10 <0.10 <0.10 <0.10 MetalEMERL- Aluminum,dissolved m /L <0.5 <0.5 <0.5 <0.25 <0.5 <0.25 <0.25 0.16 J <0.25 DRY DRY DRY DRY <0.05 <0.05 <0.05 <0.05 Antimony,dissolved m /L <1 <1 <1 <0.5 <1 <0.5 <0.5 <0.5 <0.5 DRY DRY DRY DRY <0.1 <0.1 <0.1 <0.1 Arsenic,dissolved m /L <0.5 0.099 J <0.5 0.048 J <0.5 0.091 J 0.14 J 0.16 J 0.096 J DRY DRY DRY DRY 0.0036 <0.05 0.0036 0.0039 Barium,dissolved m /L 3.5 2.8 4.5 9.7 6.1 4.9 9.8 18 13 DRY DRY DRY DRY 0.23 0.08 0.25 0.19 Beryllium,dissolved m /L I <0.1 <0.1 <0.1 <0.05 <0.1 <0.05 <0.05 <0.05 1 <0.05 DRY DRY DRY DRY <0.01 <0.01 <0.01 <0.01 Cadmium,dissolved m /L <0.1 <0.1 <0.1 <0.05 <0.1 <0.05 <0.05 <0.05 <0.05 DRY DRY DRY DRY <0.01 <0.01 <0.01 <0.01 Chromium,dissolved mg/L 0.012 J 0.019 J 0.018 J 0.048 J 0.047 J 0.05 0.086 0.13 0.054 DRY DRY DRY DRY <0.01 <0.01 <0.01 0.0060 J Cobalt,dissolved m /L 0.014 J 0.013 J 0.02 J 0.033 J 0.038 J 0.026 J 0.046 J 0.058 J 0.024 J DRY DRY DRY DRY 0.0019 J <0.05 <0.05 <0.05 Copper,dissolved m /L <0.1 0.011 0.014 J 0.02 J <0.1 0.0055 J 0.0080 J 0.012 J 0.0080 J DRY DRY DRY DRY 0.0013 J <0.01 <0.01 0.0010 J Iron,dissolved m /L 1.2 1.9 1.2 3.4 3.7 2.2 3.8 8.9 3.4 DRY DRY DRY DRY <0.05 <0.05 <0.05 <0.05 Lead,dissolved m /L <0.5 <0.5 <0.5 <0.25 <0.5 <0.25 <0.25 <0.25 <0.25 DRY DRY DRY DRY <0.05 <0.05 <0.05 <0.05 Manganese,dissolved m /L 0.95 1.4 2.3 0.62 1.3 4.1 3.5 3.6 7.5 DRY DRY DRY DRY 1.9 <0.01 0.0050 J 0.062 Mercury,dissolved m /L 0.000086 J 0.000078 J <0.00020 0.00045 <0.00020 <0.00020 <0.00020 0.00014 J 0.000022 J DRY DRY DRY DRY 0.000041 J 0.000030 J 0.00032 0.000022 J Molybdenum,dissolved m /L 0.000086 J 0.000078 J <0.00020 0.00045 <0.00020 <0.00020 <0.00020 0.00014 J 0.000022 J DRY DRY DRY DRY 0.000041 J 0.000030 J 0.00032 0.000022 J Nickel,dissolved m /L 0.082 J 0.13 0.19 0.29 0.35 0.31 0.5 0.58 0.31 DRY DRY DRY DRY 0.0038 J <0.01 <0.01 <0.01 Selenium,dissolved m /L <0.5 0.019 J 0.014 J 0.026 J 0.014 J 0.0095 J 0.018 J 0.042 J <0.25 DRY DRY DRY DRY <0.05 <0.05 <0.05 <0.05 Silver,dissolved m /L <0.1 <0.1 <0.1 1 <0.05 <0.1 <0.05 1 <0.05 1 <0.05 <0.05 1 DRY DRY DRY DRY <0.01 I <0.01 <0.01 I <0.01 Thallium,dissolved m /L <1 <1 <1 <0.5 <1 <0.5 <0.5 <0.5 <0.5 DRY DRY DRY DRY <0.1 <0.1 <0.1 <0.1 Tin,dissolved m /L 1 <0.5 1 <0.5 <0.5 <0.25 <0.5 <0.25 <0.25 <0.25 <0.25 DRY DRY DRY DRY <0.05 <0.05 1 <0.05 <0.05 Vanadium,dissolved m /L I <0.1 1 0.025 J <0.1 0.14 0.097 J 0.062 0.17 0.16 0.033 J DRY DRY DRY DRY 0.018 0.025 1 0.033 0.024 Zinc,dissolved m /L I <0.1 I <0.1 <0.1 <0.05 <0.1 <0.05 <0.05 <0.05 1 <0.05 DRY DRY DRY DRY <0.01 <0.01 I <0.01 <0.01 Notes: a Leachate sumps and lysimeters are sampled semiannually for additional parameters in first and third quarter as required by the Monitoring and Reporting Program(RWQCB 2024).Groundwater monitoring wells are sampled quarterly. Acronyms and Abbreviations: --=not applicable <=analyte was not detected at a concentration greater than the laboratory practical quantitation limit °C=degree Celsius pg/L=microgram per liter pS/cm=microSiemen per centimeter mg/L=milligram per liter NTU=nephelometric turbidity unit RWQCB=Central Valley Regional Water Quality Control Board SLI=standard pH unit Qualifier: J=Estimated concentration. Reference: RWQCB.2024.Waste Discharge Requirements(WDR)and Monitoring and Reporting Program(MRP)Order No.R5-2024-0002-Forward Inc.and Republic Services,Inc.-Forward Landfill,San Joaquin County,GeoTracker No:L10008827999.February 16. 1/1