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J <br />u <br />11 <br />[7 <br />I <br />7 <br />'J <br />II <br />1-1 <br />r <br />u <br />TABLE 7 <br />Second Semester 2005 Leachate Monitoring Summary <br />North County Recycling Center and Sanitary Landfill <br />(Units ma/I unless noted) <br />Sampling Designation <br />L-1 <br />L-3 <br />L-4 <br />Sampling Date <br />10/11/05 <br />10/11/05 <br />10/11/05 <br />Monitoring and Field Parameters ` <br />Temperature °C <br />19.1 <br />19.30 <br />19.30 <br />Electrical Conductivity uS/cm) <br />2.647 <br />2,943 <br />2,751 <br />H units <br />6.88 <br />6.91 <br />6.88 <br />Turbidity <br />NM <br />NM <br />NM <br />Total Dissolved Solids <br />2520 <br />2490 <br />1,760 <br />Calcium <br />295,000 <br />294000 <br />267000 <br />Magnesium <br />167,000 <br />162000 <br />137000 <br />Potassium <br />5,250 <br />6220 <br />4530 <br />Sodium <br />347,000 <br />337000 <br />139000 <br />Bicarbonate <br />890 <br />930 <br />1250 <br />Carbonate <br />ND <br />ND <br />ND <br />Chloride <br />790 <br />810 <br />240 <br />Nitrate as Nitrogen <br />ND <br />ND <br />ND <br />Sulfate <br />0.3 <br />0.3 <br />2 <br />Volatile Organic Compounds u /L <br />1,1-Dichloroethane <br />2.3 <br />2.3 <br />ND <br />1,2,4-Trimeth (benzene <br />3.4 <br />4.8 <br />4.3 <br />1,4 -Dichlorobenzene <br />4.1 <br />5.5 <br />3.0 <br />1,3,5-Trimeth (benzene <br />ND <br />ND <br />1.9 <br />2-Butanone MEK <br />ND <br />12 <br />12 <br />Acetone <br />42 <br />41 <br />39 <br />Benzene <br />4.1 <br />4.0 <br />6.9 <br />Chlorobenzene <br />ND <br />ND <br />0.55 <br />Chloroethane <br />2.4 <br />1.8 <br />5.9 <br />Eth (benzene <br />21 <br />20 <br />27 <br />Isopropylbenzene <br />1.2 <br />1.1 <br />2.3 <br />Total Xylenes <br />48 <br />47 <br />52 <br />Methyl tert-But I Ether <br />ND <br />6.3 <br />38 <br />Naphthalene <br />8.5 <br />7.2 <br />ND <br />Tert-Butly Alcohol <br />420 <br />460 <br />70 <br />Toluene <br />7.2 <br />4.4 <br />24 <br />Vinyl Chloride <br />5.2 <br />4.8 <br />5.2 <br />All other com ounds <br />ND <br />ND <br />ND <br />ND = Not Detected <br />NM = Not Measured <br />* = Trace Concentration estimated value <br />North County RCSL Public Works/Solid Waste <br />2'd Semester and Annual 2005 Groundwater Monitoring County of San Joaquin - January 24, 2006 <br />