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Table 3a P A1�RC�J��J DI C <br /> J <br /> Summary of Analytical Results for Groundwater Monitoring Well Network-Shallow Zone <br /> Forward Landfill Quarterly Monitoring Report-First Quarter 2026 <br /> 9999 South Austin Road <br /> San Joaquin County,California <br /> Id Parameters <br /> PH SU 7.56 7.68 7.79 7.51 7.45 6.90 7.41 7.44 1 7.90 7.84 7.62 7.85 7.50L84 <br /> 7.45 7.50 <br /> Specific Conductance PS/cm 505 991 806 1172 1130 995 1041 1400 1232 1164 1263 809 834 777 825 <br /> Temperature 'C 15.6 19.3 18.8 19.2 19.3 19.1 19.8 18.4 17.9 18.6 17.6 17.9 18.9 18.7 19.2 <br /> Turbidity NTU 2 0 0 3 6 5 2 5 70 7 11 1000 3 1 5 <br /> onitoring Parameters-Routine <br /> Bicarbonate m /L 280 170 200 350 330 610 390 480 260 250 270 190 360 370 390 340 <br /> Calcium,Dissolved m /L 40 84 73 100 110 110 120 140 120 110 120 69 83 83 75 83 <br /> Carbonate m /L <2.5 <2.5 <2.5 <5.0 <5.0 <2.5 <2.5 <5.0 <5.0 <5.0 <5.0 <2.5 <2.5 <2.5 <2.5 <2.5 <br /> Chloride m /L 6.2 170 100 160 150 23 64 130 120 110 130 92 34 39 22 34 <br /> Magnesium, Dissolved m /L 19 36 28 49 50 59 48 69 51 50 55 33 44 44 40 39 <br /> Nitrate as Nitrogen m /L 0.78 12 10 8.6 9.5 0.84 7.3 18 39 37 38 16 7.9 7.2 3.7 7.9 <br /> Potassium, Dissolved m /L 4.3 5.5 5.4 6.7 7.6 8.7 5.2 9.8 6.9 6.9 8.3 8.5 6.3 6.3 7.1 6.6 <br /> Sodium,Dissolved m /L 37 34 31 40 43 48 39 78 42 39 42 29 39 39 40 40 <br /> Strontium,Dissolved m /L 0.42 0.84 0.71 1.1 1.1 1.2 1.1 1.4 1.2 1.2 1.3 0.78 0.82 0.81 0.79 0.85 <br /> Sulfate m /L 21 47 43 59 52 28 120 88 75 64 72 31 61 57 39 64 <br /> Total Dissolved Solids m /L 360 611 489 681 699 620 684 820 763 707 756 454 t54 549 493 550 <br /> 1,2,3-Trichloropropane by SRL 524M1,2,3-Trichloropropane pg/L <0.0050 <0.0050 <0.0050 <0.0050 0.011 <0.0050 <0.0050 <0.0050 <0.0050 0.018 0.022 <0.0050 0.036 0.019 0.046 <br /> VOCs by USEPA Method 8260 <br /> 1,1-Dichloroethane /L <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.85 <0.50 <0.50 <0.50 <0.50 <0.50 0.49 J 0.45 J 0 774 0.45 J <br /> 1,1-Dichloroethene /L <0.50 1.6 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.77 0.40 J <0.50 1.0 <br /> 1,2-Dichloroethane N /L <0.50 0.54 <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 F<0.50 <br /> 1,2-Dichloropropane N /L <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.18 J <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 1,4-Dichlorobenzene N /L <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 <br /> Carbon Tetrachloride u /L <0.50 25 0.48 J 4.0 4.8 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 35 17 1.7 44 <br /> Trichlorofluoromethane CFC-11 N /L <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.24 J 0.20 J 0.25 J <0.50 <br /> Dichlorodifluoromethane CFC-12 N /L <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.71 0.65 0.75 0.68 <br /> Chloroform u <0.50 32 <0.50 2.5 1.1 <0.50 <0.50 <0.50 <0.50 <0.50 0.19 J <0.50 2.6 1.0 0.24 J 4.7 <br /> cis-1,2-Dichloroethene N /L <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 4.5 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.43 J <0.50 <br /> Meth I-tert-but tether u /L <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 <br /> Tetrachloroethene u /L <0.50 14 0.61 2.9 1.7 0.17 J 4.2 <0.50 <0.50 0.16 J 0.34 J 0.19 J 7.7 6.0 7.9 8.3 <br /> Toluene u /L <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.16 J <0.50 <0.50 <0.50 < . <0. <br /> N /L <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.50 <0. <0.550trans-1,2-Dichloroethene < . . . 0 <br /> Trichloroethene u /L <0.50 18 <0.50 1.9 0.54 0.12 J 2.2 <0.50 <0.50 1.2 88 1.4 3.8 2.4 2.5 4.8 <br /> Notes: <br /> 1.Only VOCs reported above the detection limits are shown. <br /> 2.Bold indicates the analyte was detected at a concentration greater than the laboratory practical quantitation <br /> limit.A bolded value with a J qualifier represents exceedance of the laboratory method detection limit. <br /> Acronyms and Abbreviations: <br /> °C=degree Celsius <br /> <=the analyte was not detected at a concentration greater than laboratory practical quantitation limit <br /> Ng/L=microgram per liter <br /> NS/cm=microSiemen per centimeter <br /> mg/L=milligram per liter <br /> NTU=nephelometric turbidity unit <br /> SRL=the Department of Public Health's Sanitation and Radiation Laboratories <br /> SU=standard pH unit <br /> USEPA=United States Environmental Protection Agency <br /> VOC=volatile organic compound <br /> Qualifier: <br /> J=Estimated concentration. <br /> T8=Sample(s)received past/too close to holding time expiration. <br /> 4/4 <br />