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TABLE 6 <br /> LEACHATE MONITORING SUMMARY <br /> SECOND SEMESTER 2013 <br /> NORTH COUNTY RECYCLING CENTER AND SANITARY LANDFILL <br /> (Units mg/I unless noted) <br /> L-1 L-3 L-4 <br /> (Area 1 (Area 3 (Area 4 <br /> Sampling Designation Sum Sum Sum <br /> Sampling Date 7/30/13 7/30/13 7/30/13 <br /> Monitoring and Field Parameters <br /> Temperature (°C) 22.3 24.4 23.9 <br /> Electrical Conductivity uS/cm) 4434 3037 2735 <br /> H (units) 6.55 6.64 6.62 <br /> Turbidity 31.6 37.6 41.1 <br /> Redox Potential -46 -41 -38 <br /> Dissolved Oxygen 2.37 1.94 4.71 <br /> Total Alkalinity as CaCO3 570 580 630 <br /> Chloride 1100 620 540 <br /> Hardness as CaCO3 1500 870 1100 <br /> Total Dissolved Solids 2800 1700 1700 <br /> Chemical Oxygen Demand 370 470 160 <br /> Metals <br /> Calcium 320 200 240 <br /> Magnesium 160 89 120 <br /> Volatile Organic Compounds (gg/L) <br /> Benzene 2.5 1.5* 10 <br /> n-Butylbenzene 0.84 ND ND <br /> Chlorobenzene 0.38* ND ND <br /> Chloroethane 0.72 0.87 <br /> 2-Chlorotoluene 0.88 ND ND <br /> 1,2-Dichlorobenzene 0.56 ND ND <br /> 1,4-Dichlorobenzene 7.8 2.8 3.2 <br /> Dichlorodifluoromethane 1.3 ND ND <br /> 1,1-Dichloroethane 0.78 ND 0.55 <br /> 1,2-Dichloroethane 0.66 1.4* 3.8 <br /> Cis-1,2-Dichloroethene 1.7 ND 1.8 <br /> 1,2-Dichloropropane ND ND 0.53 <br /> Trans-1,3-Dichloropropene 0.37* ND ND <br /> Ethylbenzene 1.3 5.5 2.9 <br /> Isopropylbenzene ND 0.72* 0.60 <br /> p-Isopropyltoluene 0.38 1.5* 0.17* <br /> North County RC&SL Public Works/Solid Waste <br /> 2nd Semester and Annual 2013 Groundwater Monitoring 19 County of San Joaquin-January 25,2014 <br />