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Table 6 <br />Detection Monitoring Program Analytical Results, <br />Fourth Quarter 2023 - Austin Road Unit <br />Forward Landfill, Manteca, California <br />AMW-2 AMW-5R AMW-6 AMW-7 AMW-12 <br />11/7/2023 11/6/2023 11/7/2023 11/8/2023 11/3/2023 <br />Field Parameters <br />pH SU 7.69 7.55 7.82 7.87 7.71 <br />Specific Conductance µS/cm 883 1,384 486 568 835 <br />Temperature ˚C 17.6 18.9 17.0 19.2 18.5 <br />Turbidity NTU 2 2 9 1 2 <br />Monitoring Parameters - Routine <br />Bicarbonate mg/L 300 490 200 220 330 <br />Calcium, dissolved mg/L 83 130 47 49 72 <br />Carbonate mg/L <2.5 <5 <2.5 <2.5 <2.5 <br />Chloride mg/L 50 100 33 38 46 <br />Magnesium, dissolved mg/L 40 56 22 23 34 <br />Nitrate as N mg/L 25 25 3.5 6.2 16 <br />Potassium, dissolved mg/L 7.8 8.2 6.4 8.5 4.3 <br />Sodium, dissolved mg/L 48 80 22 27 48 <br />Strontium, dissolved mg/L 0.79 1.4 0.45 0.54 0.82 <br />Sulfate mg/L 68 120 29 29 51 <br />Total Dissolved Solids mg/L 600 910 350 220 540 <br />Volatile Organic Compounds <br />Tetrachloroethene µg/L <0.5 <0.5 0.67 <0.5 1.1 <br />Trichloroethene µg/L <0.5 <0.5 0.18 J <0.5 <0.5 <br />Note: <br />1. Only organic compounds reported at concentrations above the detection limits are shown. <br />2. Bold analyte was detected above the laboratory practical quantitation limit. <br />Acronyms and Abbreviations: <br />˚C = degree Celsius <br />< = indicates that the analyte was not detected at a concentration above laboratory practical quantitation limit <br />µg/L = microgram per liter <br />µS/cm = microSiemen per centimeter <br />mg/L = milligrams per liter <br />Nitrate as N = nitrate as nitrogen <br />NTU = nephelometric turbidity unit <br />SU = standard pH unit <br />Qualifier: <br />J = Estimated concentration. <br />Unit <br />Forward 4Q23 Tables 1/1