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i <br /> TABLE 1-CONTINUED <br /> HARNEY LANE SANITARY LANDFILL <br /> SECOND SEMESTER 2013 GROUNDWATER MONITORING <br /> Units m /L unless noted <br /> iSampling Designation MW-5 MW-6MCL's <br /> Sampling Date 8/2/13 Conc. Limit 8/2/13 Conc. Limit Mg/L <br /> i Monitoring and Field Parameters <br /> Elevations(feet) <br /> TOC Elevation 88.74 NA 95.62 NA NR <br /> i Depth to Groundwater 131.59 NA 134.92 NA NR <br /> Groundwater Elevation -42.85 NA -39.3 NA NR <br /> General Water Qualitv Parameters <br /> Temperature(°C) 19.8 NA 21.8 NA NR <br /> Electrical Conductivity 931.6 [3] 291.5 [3] 900 <br /> iuS/cm field <br /> pH (units)(field) 6.98 [3] 7.48 [3] 6.5-8.5 <br /> Turbidity(NTU)(field) 57.8 [3] 56.9 [3] NL <br /> Oxygen Reduction +120 [3] +55 [3] NL <br /> Potential my <br /> Dissolved Oxygen(mg/1) 1.31 1 [3] 1.11 1 [3] NL <br /> i Constituents of Concern <br /> Calcium 89 [3] 21 [3] NL <br /> Magnesium 50 [3] 11 [3] NL <br /> Total Alkalinity as CaCO3 410 [3] 92 [3] NL <br /> Chloride 54 [3] 24 [3] 250 <br /> Dissolved Hardness as <br /> CaCO3 430 [3] 95 [3] NL <br /> Total Dissolved Solids 590 [3] 220 [3] 500 <br /> Chemical Oxygen Demand 16 [3] ND [3] NL <br /> i Volatile Organic Compounds u /L <br /> Dichlorodifluoromethane 0.78 detect ND detect NL <br /> Tetrachloroethene 0.32* detect ND detect 5.0 <br /> i All Other Compounds ND detect ND detect NR <br /> NA=Not Available NR=Not Required NL=Not Listed <br /> ND=Not Detected <br /> [1]Not established due to>50%non-detects <br /> [2]Not established statistically due to significant increasing trend. Concentration limit from WDRs. <br /> [3]Not established statistically due to less than required data for calculation. <br /> *=Trace concentration(estimated value) <br /> Bold values indicate a detected organic compound. <br /> iConc.Limit as calculated by Sanitas using Historical Data. <br /> 1 <br /> i <br /> Harney Lane Sanitary Landfill Department of Public Works/Solid Waste <br /> 2n°Semester and Annual 2013 Groundwater Monitoring Report County of San Joaquin—January 31,2014 <br />