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GROUNDWATER <br /> FOOTHILL SANITARY LANDFILL <br /> Units mg/1 unless noted <br /> Sample Designation MW-1 MW-1 MW-1 MW-1 MW-1 MW-I MW-1 MW-1 MW-1 MW-1 <br /> Sampling Date 7/27/06 1/31/07 7/23/07 2/5/08 7/31/08 2/4/10 5/26/10 9/2/10 1/25/11 8/9/11 <br /> Monitoring and Field Parameters <br /> General Water Qualijyet <br /> H std.units field 7.14 7.37 7.18 7.26 7.11 7.51 7.69 7.27 6.91 NS <br /> Electrical Conductivity umhos/cm field 358 393 219 391 368.9 230.1 231.7 234.9 307.1 NS <br /> Temperature °C field 21.5 14.8 20.8 18.3 21.1 18.3 21.5 22.6 17.5 NS <br /> Turbidity NTU)(field 12.6 13.9 11.64 39.7 9.3 9.7 10.3 37.7 12.6 NS <br /> Chloride 6 6.1 5.8 5.65 5.64 4.6 NA 7.6 5.9 NS <br /> Nitrate-Nitrogen 2.9 3 2.8 2.88 2.84 3.1 NA 2.0 1.7 NS <br /> Total Dissolved Solids 206 170 73 150 130 190 NA 220 220 NS <br /> Sulfate 5 5 4.9 4.84 4.91 4.3 NA 9.1 7.8 NS <br /> -Volatile OrSmic,C 2 u <br /> Benzene <0.17 <0.17 <0.17 <0.30 <0.33 <0.086 NA <0.083 <0.083 NS <br /> Bromochloromethane NA NA NA NA <0.37 <0.23 NA <0.24 <0.24 NS <br /> Bromodichloromethane NA NA NA NA <0.30 <0.12 NA <0.14 <0.14 NS <br /> Bromoform NA NA NA NA <0.31 <0.23 NA <0.27 <0.27 NS <br /> Bromomethane NA NA NA NA <0.40 <0.20 NA <0.25 <0.25 NS <br /> Carbon Tetrachloride NA NA NA NA <0.46 <0.18 NA <0.18 <0.18 NS <br /> Chlorobenzene <0.16 <0.16 <0.16 <0.36 <0.39 <0.081 NA <0.093 <0.093 1 NS <br /> Chloroethane <0.2 <0.2 <0.2 <0.38 <0.38 <0.II NA <0.14 <0.14 1 NS <br /> Chloroform <0.20 <0.20 <0.20 <0.33 <0.33 <0.072 NA <0.12 <0.12 NS <br /> Chloromethane <0.25 <0.25 <0.25 <0.41 <0.41 <0.11 NA <0.14 <0.14 NS <br /> Dibromochloromethane NA NA NA NA <0.32 <0.077 NA <0.13 <0.13 NS <br /> 1 2-Dibromo-3-chloro ro ane INA NA NA NA <0.69 <0.44 NA <0.44 <0.44 NS <br /> 1 2-Dibromoethane EDB NA NA NA <0.39 <0.16 NA <0.16 <0.16 NS <br /> Dibromomethane NA NA NA <0.38 <0.19 NA <0.24 <0.24 NS <br /> 1,2-Dichlorobenzene NA NA NA <0.38 <0.068 NA <0.072 <0,072 NS <br /> 1,3-Dichlorobenzene NA NA NA <0.37 <0.060 NA <0.15 <0.15 NS <br /> 1,4-Dichlorobenzene <0.14 <0.14 <0.34 <0.38 <0.083 NA <0.062 <0.062 NS <br /> Dichlorodifluoromethane NA NA NA <0.68 <0.11 NA <0.099 <0.099 NS <br /> 11-Dichloroethane NA NA NA <0.37 <0.081 NA <0.11 <0.11 NS1,2-Dichloroethane EDC NA NA NA <0.38 <0.14 NA <0.17 <0.17 NS <br /> 1,1-Dichloroethene <0.39 <0.39 <0.39 1 <0A3 <0.43 <0.12 NA <0.18 <0.18 NS <br /> cis-l2-Dichloroethene NA NA NA NA <0.36 <0.11 NA <0.085 <0.085 NS <br /> trans-l2-Dichloroethene NA NA NA NA <0.41 <0.097 NA <0.15 <0.15 NS <br /> 1,2-Dichloro ro ane NA NA NA NA <0.35 <0.12 NA <0.13 <0.13 NS <br /> cis-1 3-Dichloro roene NA NA NA NA <0.30 <0.098 NA <0.14 <0.14 NS-- <br /> trans-1 <br /> Strans-I 3-Dichlor ro ene NA NA NA NA <0.35 <0.079 NA <0.079 <0.079 NS <br /> Eth(benzene NA NA NA NA <0.43 <0.12 NA <0.098 <0.098 NS <br /> Hexachlorobutadiene NA NA NA NA <0.65 <0.12 NA <0.17 <0.17 NS <br /> Methylene Chloride <0.48 <0.48 <0.48 <0.30 <0.30 <0.28 NA <0.48 <0.48 NS <br /> Methyl tert-Butyl Ether <0.32 <0.32 <0.32 <0.70 <0.72 <0.I I NA <0.11 <0.11 NS <br /> Na thalene <0.24 <0.24 <0.24 <0.29 <0.36 <0.36 NA <0.36 <0.36 NS <br /> Styrene NA NA NA NA <0.32 <0.093 NA 1 <0.068 <0.068 NS <br /> 1,112-Tetrachloroethane NA NA NA NA <0.38 <0.II NA <0.18 <0.18 NS <br /> 112,2-Tetrachloroethane NA NA NA NA <0.35 <0.14 NA <0.17 <0.17 NS <br /> Tetrachloroethene PCE <0.19 <0.19 <0.19 <0.40 <0.49 <0.13 NA <0.13 <0.13 NS <br /> Toluene <0.22 <0.22 <0.22 <0.32 <0.40 1s 0.48 <0.093 <0.093 NS <br /> 1,2,4-Trichlorobenzene NA NA NA NA <0.36 <0.17 NA <0.19 <0.19 NS <br /> 1,1,1-Trichloroethane TCA NA NA NA NA <0.39 <0.081 NA <0.11 <0.11 NS <br /> 1,1,2-Trichloroethane NA NA NA NA <0.44 <0.21 NA <0.16 <0.16 NS <br /> Trichloroethene(TCE) <0.13 <0.13 <0.13 <0.31 <0.38 <0.13 NA <0.085 <0.085 NS <br /> Trichlorofluoromethane NA NA NA NA <0.59 <0.I1 NA <0.13 <0.13 NS <br /> 1,2,3-Trichloro ro ane NA NA NA NA <0.43 <0.30 NA <0.24 <0.24 NS <br /> Vinyl Chloride NA NA NA NA <0.47 <0.14 NA <0.12 <0.12 NS <br /> Total Xylenes NA NA NA NA <I.1 <0.26 NA <0.36 <0.36 NS <br /> Acetone <1.9 4.6* 7.5* <2.7 <3.0 <4.6 NA <4.6 <4.6 NS <br /> n'tr'e NA NA61 NA <0.89 <1.2 <br /> n:\coneta\shared\projectsbds\qmr\79\791 • <br />