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M 11MUSTO�UMNIMANAMLRESIM <br /> LEACHATE <br /> FOOTHILL SANITARY LANDFILL <br /> Units:mg/l,unless noted <br /> Sample Designation L-1 L-1 L-1 L-1 L-1 <br /> Sampling Date 3/7/05 3/28/06 1/31/07 2/5/08 1/15/09 <br /> Monitorine and Field Parameters <br /> General Water Ouality Parameters <br /> Temperature(°C) NT 16.4 11 18.3 17.9 <br /> Chloride 168 251 300 34 260 <br /> Nitrate Nitrogen <0.4 0.06* 0.3 <0.02 <0.03 <br /> Total Dissolved Solids 3,650 2,280 1,900 800 1,500 <br /> Sulfate 11 <0.2 0.3* 0.82 <0.20 <br /> pH(std.units) 6.12 6.81 6.35 8.54 6.6 _ <br /> Electrical Conductivity(umhos/cm) 3,470 280 3,070 1,229 2,415 <br /> Turbidity(NTU)field NT NT 13.7 51.6 NT <br /> Calcium,Dissolved 455 398 270 140 220 <br /> Magnesium,Dissolved 201 302 160 62 120 <br /> Potassium,Dissolved 13 IO 9.1 3.8 6.4 _ <br /> Sodium,Dissolved 146 193 190 44 140 <br /> Volatile Organic Compounds(ug/1) <br /> 1,1,1-trichloroethane 16 <0.14 <0.14 <2,0 <0.46 _ <br /> I,1-Dichloroethane 9 2.7 10 6.3 5 <br /> 1,1-Dichloroethene <0.19 0.58 65 5.9 2.3 <br /> 1,2,4-Trimethylbenzene <0.13 0.43* <0.36 1.5* 1.6 <br /> 1,2-Dichloroethane(EDC) <0.18 2.4 7.9 8 9.1 <br /> 1,2-Dichloropropane <0.17 0.66 <0.4 <L8 1.2 <br /> 1,3,5-Trimethylbenzene <0.15 0.19* <0.4 <I.6 0.62* <br /> 1,4-Dichlorobenzene 2.1* 1.7 _ <br /> 2-butanone(MEK) 4100 480 <1.7 120 <1.9 <br /> 4-Isopropyltoluene <0.1 2.4 <0.34 2.0* <0.39 _ <br /> 4-methyl-2pentanone 30 20 <1.5 <9.5 <1.9 <br /> Acetone 1400 300 22* 130 10 <br /> Benzene 11 14 <br /> Chloroethane <0.2 23 15 7 6.1 <br /> Chloromethane <0.23 2.1 <0.4 2.1* <0.36 <br /> Chloroform 3 <0.14 <0.4 <1.7 <0.33 <br /> cis-1,2-Dichloroethene <0.17 8.1 4.2 9.4 18 <br /> Dichlorodifluoromethane _ 0.56* _ <br /> Diisopropyl Ether 3,7 <br /> Ethanol 3,200 <50.0 <br /> Ethly tert-butyl ether(ETBE) 3 NT NT NT NT <br /> Ethylbenzene 2 4.7 <0.41 7 12 <br /> Isopropylbenzene 0,88* <br /> Isopropyltoluene 0.51* NT NT NT <br /> Methly tert-butyl ether 10 490 100 22 190 <br /> Methylene Chloride 150 7.5 7.6* 12 3 <br /> Naphthalene 0.51* <br /> n-Propylbenzene <0.13 0.16* <0.37 <1.6 <0.38 <br /> tett-Amyl Methyl Ether 2,2 <br /> tent-Butyl Alcohol 130 <br /> tent-Butyl Ethyl Ether 1,7* <br /> Tetrachloroethene(PCE) 4 0.34* <0.38 3 <0.49 <br /> Toluene 38 71 1.9* 51 15 <br /> Total Xylenes 12 13 <1.1 16 21 <br /> Trichloroethene(ICE) 6 1.3 1.9* 4 0.42* <br /> Trichlorofluoromethane 0.58* <br /> Vinyl Chloride <0.5 99 220 34 25 <br /> NR=Not Required <br /> n:\consulting\data\shared\projects\xls\qmr\79\791289\FH-Hist.xls <br />