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Table 3b P /�,1RC DIS <br /> Summary of Analytical Results for Groundwater Monitoring Well Network-Intermediate Zone �J� <br /> Forward Landfill Quarterly Monitoring Report-First Quarter 2026 <br /> 9999 South Austin Road <br /> San Joaquin County,California <br /> i <br /> Field Parameter <br /> pH SU 7.59 7.56 8.14 7.44 7.62 7.31 <br /> Specific Conductance NS/cm 943 884 770 899 662 907 <br /> Temperature °C 19.1 19.6 19.2 19.3 19.6 20.2 <br /> Turbidity NTU 1 2 1 5 1 3 <br /> Bicarbonate Alkalinity m /L 310 320 390 290 280 280 <br /> Calcium, Dissolved m /L 81 82 64 81 57 79 <br /> Carbonate Alkalinity m /L <2.5 <2.5 <2.5 <2.5 <2.5 <2.5 <br /> Chloride m /L 90 63 24 81 27 100 <br /> Magnesium, Dissolved m /L 38 41 34 39 32 38 <br /> Nitrate as Nitrogen m /L 8.3 8.9 4.1 9.3 4.8 6.2 <br /> Potassium, Dissolved m /L 6.9 6.4 15 7.0 6.1 6.7 <br /> Sodium, Dissolved m /L 39 37 45 36 35 34 <br /> Strontium, Dissolved m /L 0.88 0.91 0.7 0.89 0.61 0.86 <br /> Sulfate mg/L 59 57 41 60 41 48 <br /> Total Dissolved Solids mg/L 590 560 495 594 409 610 <br /> 1,2,3-Trichloropropane by SRL 524M <br /> 1,2,3-Trichloropropane pg/L 0.020 0.029 0.021 0.041 0.018 0.014 <br /> VOCs by USEPA Method 8260 <br /> 1,1-Dichloroethane N /L 0.38 J 0.38 J 0.62 0.34 J 0.26 J 0.15 J <br /> 1,1-Dichloroethene N /L 0.99 0.47 J 0.20 J 0.40 J 1.5 0.49 J <br /> 1,2-Dichloroethane N /L <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> 1,2-Dichloro ro ane N /L <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 <br /> Bromodichloromethane N /L <0.50 <0.50 <0.50 <0.50 1.8 0.20 J <br /> Carbon Tetrachloride N /L 1 24 19 7.2 14 36 7.9 <br /> Trichlorofluoromethane CFC-11 N /L 0.26 J 0.20 J <0.50 <0.50 <0.50 0.14 J <br /> Dichlorodifluoromethane CFC-12 N /L 0.66 0.67 0.65 0.58 0.41 J 0.29 J <br /> Chlorodibromomethane N /L <0.50 <0.50 <0.50 <0.50 0.21 J <0.50 <br /> Chloroform N /L 14 2.5 0.97 2.2 47 6.5 <br /> cis-1,2-Dichloroethene N /L 0.20 J <0.50 0.28 J <0.50 <0.50 <0.50 <br /> Tetrachloroethene I N /L I 15 5.7 7.7 4.6 17 4.4 <br /> Toluene N /L <0.50 <0.50 <0.50 <0.50 <0.50 5.7 <br /> Trichloroethene N /L 10 1 2.2 2.6 1.7 17 3.0 <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 limit.A <br /> 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 /> pg/L=microgram per liter <br /> pS/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 /> 3/3 <br />