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Table 4 <br /> First Semester 2014 Leachate Area 1 <br /> Foothill Sanitary Landfill <br /> (Units mg/I unless noted) <br /> Sampling Designation L-1 Module 1 <br /> Sampling Date 1/21/2014 <br /> Monitoring and Field Parameters <br /> General Water Quality Parameters <br /> Temperature -C (field) 23.9 <br /> H units field 7.07 <br /> Electrical Conductivity(uS/cm)(field) 1673 <br /> Turbidity NTU field) 29.7 <br /> Constituents of Concern <br /> Calcium 130 <br /> Magnesium 68 <br /> Sodium 120 <br /> Potassium 5.4 <br /> Bicarbonate Alkalinity as HCO3 550 <br /> Carbonate Alkalinity as CaCO3 ND <br /> Total Alkalinity as CaCO3 450 <br /> Chloride 190 <br /> Nitrate—Nitrogen ND <br /> Sulfate 3.9 <br /> Total Dissolved Solids '1000 <br /> Volatile Organic Compounds u /L <br /> 1,2-Dichloro ro ane 0.68 <br /> Eth (benzene 13 <br /> Methyl t-but I ether . 9.6 <br /> Na thalene 22 <br /> Tetrachloroethene 0.35* <br /> Toluene 25 <br /> Trichloroethene 0.36* <br /> Vinyl chloride 0.85 <br /> Total xylenes 32 <br /> Acetone 1400 <br /> Benzene 6.6 <br /> Chloroethane 0.60 <br /> t-But I alcohol 3200 <br /> Ethanol 6900 <br /> Ethyl t-but I ether 0.51 <br /> 1,2-Dichlorobenzene 0.32* <br /> 2-Hexanone 380 <br /> 1,4-Dichlorobenzene 7.8 <br /> 1,1-Dichloroethane 0.26 <br /> 1,2-Dichloroethane 5.1 <br /> Cis-1,2-Dichloroethene 2.9 <br /> Methyl ethyl ketone 1900 <br /> Methyl isobut I ketone 120 <br /> ND= Not Detected <br /> *=Trace concentration (estimated value) <br /> Bolded values indicate VOC detections <br /> Foothill Sanitary Landfill 14 Department of Public Works/Solid Waste <br /> 1 Semester 2014 Groundwater Monitoring County of San Joaquin—July 31,2014 <br />