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Table 3aSummary of Analytical Results for Groundwater Monitoring Well Network - Shallow ZoneForward Landfill Quarterly Monitoring Report – Third Quarter 2025 9999 South Austin Road San Joaquin County, CaliforniaField ParameterspH SUSpecific Conductance μS/cmTemperature°CTurbidity NTUMonitoring Parameters – RoutineBicarbonate mg/LCalcium, Dissolved mg/LCarbonate mg/LChloride mg/LMagnesium, Dissolved mg/LNitrate as Nitrogen mg/LPotassium, Dissolved mg/LSodium, Dissolved mg/LStrontium, Dissolved mg/LSulfate mg/LTotal Dissolved Solids mg/L1,2,3-Trichloropropane by SRL 524M1,2,3-Trichloropropaneμg/LVOCs by USEPA Method 82601,1-Dichloroethane μg/L1,1-Dichloroetheneμg/L1,4-Dichlorobenzeneμg/LBromodichloromethaneug/lCarbon Tetrachlorideμg/LCFC-11μg/LCFC-12 μg/LChlorobenzeneμg/LChloroform μg/Lcis-1,2-Dichloroetheneμg/LMethyl-tert-butyletherμg/LTetrachloroetheneμg/LTolueneμg/LTrichloroethene μg/LAnalyteUnitAMW-64 7833-MW-01 7833-MW-02 7833-MW-03 7833-MW-04 PZ-1 PZ-2 PZ-3CDCR-EW-18/7/2025 8/8/2025 8/8/2025 8/8/2025 8/8/2025 8/8/2025 8/8/2025 8/8/2025 8/8/20257.29 7.6 7.58 7.38 7.57 7.6 7.53 7.5 7.66 1463 1117 1010 1526 896 989 853 815 942 20.2 18.9 19.5 19.2 18.4 20.6 20.4 20.1 20.9 5 17 8 22 84 4 2 1 2 500 210 240 270 210 290 370 410 330 150 110 95 150 84 99 86 81 93 <5.0 <5.0 <2.5 <5.0 <2.5 <2.5 <2.5 <2.5 <2.5 63 140 110 220 110 97 34 27 67 62 51 48 76 41 50 46 44 47 13 27 23 41 18 14 9.6 6.1 119.2 6.6 6.2 9.0 7.1 6.7 6.5 7.1 6.6 68 44 40 51 38 44 42 42 52 1.4 1.1 0.99 1.5 0.86 0.96 0.87 0.88 0.93 42 58 49 78 35 96 79 48 110 880 703 600 942 578 627 561 518 606 <0.0050 <0.0050 0.012 0.019 0.014 0.015 0.019 0.038 0.016 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.12 J 0.66 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.24 J 0.22 J 0.45 J 0.25 J<0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 14 13 21 14 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.14 J<0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.15 J 0.23 J 0.74 0.14 J<0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.50 <0.50 2.0 1.6 2.1 3.6 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.22 J<0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.43 J<0.50 <0.50 0.37 J 0.13 J 3.2 3.4 9.5 3.1 0.81 <0.50 <0.50 <0.50 <0.50 0.55 0.50 0.50 0.90 0.20 J 6.4 11 200 2.7 1.8 1.6 3.9 2.0 Notes:1. Only organic compounds reported above the detection limits are shown.Acronyms and Abbreviations:°C = degree Celsius< = the analyte was not detected at a concentration greater than laboratory practical quantitation limit-- = not applicableμg/L = microgram per literμS/cm = microSiemen per centimeter CFC-11 = trichlorofluoromethaneCFC-12 = dichlorodifluoromethaneDup = duplicate samplemg/L = milligram per literNTU = nephelometric turbidity unitSRL = the Department of Public Health's Sanitation and Radiation LaboratoriesSU = standard pH unitUSEPA = United States Environmental Protection AgencyVOC = volatile organic compoundQualifiers:J = Estimated concentration.2. Bold indicates the analyte was detected at a concentration greater than the laboratory practical quantitation limit. A bolded value with a J qualifier represents exceedance of the laboratory method detection limit.3. Nitrate as Nitrogen results are absent for monitoring wells MW-17R, MW-19R, MW-21, MW-22, MW-24, MW-25, MW-26, AMW-5R, AMW-35S, AMW-36S, AMW-39S, and AMW-55 due to a clerical error made by the laboratory.Forward 3Q25 Tables 4/4