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GROUNDWATER <br />FOOTHILL SANITARY LANDFILL. <br />Unita: mg/1, unless noted <br />Sample Designation MW -3 MW -3 <br />Sampling Date 7/27/06 1/31/07 <br />Monitoring sad Field Parameters <br />Temperature (°C) (field) <br />21.5 <br />16.8 <br />Chloride <br />10 <br />11 <br />Nitrate -Nitrogen <br />3 <br />6 <br />Total Dissolved Solids <br />229 <br />180 <br />Sulfate <br />6 <br />6.3 <br />pH (std units) (field) <br />7.14 <br />7.34 <br />Electrical Conductivity (umhos/cm) (field) <br />341 <br />358 <br />Turbidity (NTU) (field) <br />12.7 <br />11.8 <br />Calcium <br />25.6 <br />21 <br />Potassium <br />13.1 <br />11 <br />Magnesium <br />3.8 <br />5.3 <br />Sodium <br />17.9 <br />18 <br />Volatile ftaaW Compounds (Wj <br />Trichloroethene (TCE) <br />0.18" <br /><0.13 <br />1,1-Dichloroethene <br /><0.39 <br /><0.39 <br />Chloroform <br /><0.20 <br /><0.20 <br />Benzene <br /><0.17 <br /><0.17 <br />m/p-Xyl- <br />NR <br />NR <br />Chlorobenzene <br /><0.16 <br /><0.16 <br />Methylene Chloride <br /><0.48 <br /><0.48 <br />Acetone <br />41.9 <br />6^ <br />WaPmaiene <br /><0.24 <br /><0.24 <br />Methyl ter -butyl ether <br />Toluene <br /><0.22 <br /><0.22 <br />1,4 -Dichlorobenzene <br /><0.14 <br /><0,14 <br />Tetrachloroethene <br /><0.19 <br /><0.19 <br />2-Butanone <br /><0.92 <br /><0.92 <br />1,3-Dichloropropane <br /><0.12 <br /><0.12 <br />Chloromethane <br /><0.25 <br /><0.25 <br /><0.23 <br /><0.23 <br /><0.23 <br /><0.23 <br />1,2,4-Trimethylbenzene <br />1,3,5-Trimethylbenzene <br /><0.23 <br /><0.20 <br /><0.23 <br /><0.20 <br />CoaWtueMa of Concern Parameters <br />SaMiVolatile Omanic Cmnyound% (EPA Method <br />B1s(2-ethy1hexyl)phthalate NR NR <br />All Compounds NR NR <br />OmmoeWorine Pesticides end E&d iodated BiphenvPs <br />All Compounds NR NR <br />' = Trace Concentration <br />(1] This analytical result appears to be anomalous and therefore was not used in statistical evaluation procedures. <br />(1) Parameter also detected in one or more quality control blanks <br />ND = Not Detected <br />NM = Not Measured <br />NR = Not Required <br />n:\consultmg\dataWmed\projects\xls\qmr\79\791299\FHoI <br />