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Table 12 <br />Surface Water Analytical Results, First Quarter 2024 <br />Forward Landfill Water Quality Monitoring Report – First Quarter 2024 <br />9999 South Austin Road <br />San Joaquin County, California <br />FSW-1 FSW-2 ASW-1 ASW-2 <br />2/1/24 2/1/24 1/22/24 1/22/24 <br />Field Parameters <br />pH SU 5.075 - 10.79 6.86 6.80 2.523 - 12.51 7.52 7.33 <br />Specific Conductance µS/cm NC 168 168 NC 155 206 <br />Temperature °C NC 13.8 14.0 NC 13.2 13.3 <br />Turbidity NTU NC 10 10 NC 19 30 <br />Monitoring Parameters <br />Bicarbonate mg/L 260 54 56 190 64 66 <br />Calcium mg/L 60.0 13 13 41.0 13 18 <br />Carbonate mg/L 39.0 <2.5 <2.5 2.50 <2.5 <2.5 <br />Chloride mg/L 42.2 5.8 5.9 42.4 5.6 9.2 <br />Magnesium mg/L 30.0 7.9 7.5 22.1 6.1 8.6 <br />Nitrate as Nitrogen mg/L 18.0 1.2 1.2 5.10 0.26 0.58 <br />Oil and Grease mg/L PQL <5 <5 PQL <5 1.6 J <br />Potassium mg/L 8.21 4.3 3.9 26.9 8.7 9.4 <br />Sodium mg/L 35.6 11 10 31.5 8.9 10 <br />Sulfate mg/L 84.6 15 15 219 8.9 21 <br />Total Dissolved Solids mg/L 573 140 140 400 110 140 <br />Total Suspended Solids mg/L NC 13 12 NC 31 50 <br />Notes: <br />1. Only organic compounds reported at concentrations greater than detection limits are shown. <br />2. Concentration limits were recalculated in fourth quarter 2022. <br />Acronyms and Abbreviations: <br />< = analyte was not detected at a concentration greater than laboratory practical quantitation limit concentration <br />°C = degree Celsius <br />µS/cm = microSiemen per centimeter <br />mg/L = milligram per liter <br />NC = not calculated <br />NTU = nephelometric turbidity unit <br />PQL = practical quantitation limit <br />SU = standard pH unit <br />Qualifier: <br />J = Estimated concentration. <br />UnitAnalyte Concentration Limit <br />(FSW-2) <br />Concentration Limit <br />(ASW-1) <br />Forward Unit Austin Unit <br />Forward 1Q24 Tables 19/22