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Table 12 <br />Surface Water Analytical Results, First Quarter 2023 <br />Forward Landfill, Manteca, California <br />Analyte <br />pH <br />Units <br />SU <br />Forward <br />Concentration Limit <br />(FSW-2) <br />5.075 - 10.79 <br />Unit <br />FSW-1 <br />3/1/23 <br />7.52 <br />FSW-2 <br />3/1/23 <br />7.43 <br />Austin <br />2.523 - 12.51 <br />Unit <br />®® <br />8.75 8.19 <br />Specific Conductance <br />NS/cm <br />NC <br />125 <br />106 <br />NC <br />108 108 <br />Temperature <br />°C <br />NC <br />8.3 <br />6.9 <br />NC <br />11.1 11.4 <br />TurbidityNTU <br />NC <br />107 <br />99 <br />NC <br />28 25 <br />Bicarbonate <br />m /L <br />260 <br />41 <br />42 <br />190 <br />41 40 <br />Calcium <br />m /L <br />60 <br />8.3 <br />7.5 <br />41 <br />7.3 7.4 <br />Carbonate <br />m /L <br />39 <br /><2.5 <br /><2.5 <br />2.5 <br /><2.5 <2.5 <br />Chloride <br />m /L <br />42.2 <br />3.1 <br />3.1 <br />42.4 <br />3.6 3.4 <br />Magnesium <br />m /L <br />30 <br />5.2 <br />4.5 <br />22.1 <br />4.4 4.5 <br />Nitrate as N <br />m /L <br />18 <br />0.32 <br />0.30 <br />5.1 <br />0.45 J 0.45 J <br />Oil and Grease <br />m /L <br />PQL <br /><5 <br /><5 <br />PQL <br /><5 <5 <br />Potassium <br />m /L <br />8.211 <br />2.6 <br />2.7 <br />26.85 <br />1.6 1.8 <br />Sodium <br />m /L <br />35.55 <br />7.2 <br />5.1 <br />31.53 <br />8.3 6.5 <br />Sulfate <br />m /L <br />84.57 <br />12 <br />10 <br />218.6 <br />11 11 <br />Total Dissolved Solids <br />m /L <br />572.8 <br />110 <br />110 <br />400 <br />99 100 <br />Total Suspended Solids <br />m /L <br />NC <br />78 <br />120 <br />NC <br />22 22 <br />All VOCs <br />/L <br />NC <br /><0.50 <br /><0.50 <br />NC <br /><0.50 <br />Notes: <br />Only organic compounds reported at concentrations above detection limits are shown. <br />NC = Not Calculated <br />NS = Not Sampled <br />°C = degrees Celsius <br />pg/L = micrograms per liter <br />mg/L = milligrams per liter <br />NS/cm = microSiemens per centimeter <br />NTU = nephelometric turbidity units <br />PQL = Pratical quantitation limit <br />SU = standard pH units <br />< = Indicates that the analyte was not detected at a concentration above laboratory practical quantitation limit concentration. <br />Concentration Limits recalculated 4Q2022 <br />J = Estimated concentration below laboratory practical quantitation limit concentration. <br />OAARCAD I S <br />Forward 1 Q23 Tables04212023 18/20 <br />