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r r. r r ( 1 I 1 I <br /> Table 3 <br /> Hydrocarbon Concentrations and Field Parameter Results <br /> September 1,2011 <br /> H drocarbon Concentrations Field Parameter Results <br /> TPH(mg/L) BTEX IL Dissolved Electrical Temp- <br /> Extractable Purgeable Ethyl- Xylenes, Oxygen ORP pH Conductivity erature <br /> well (DRO) (GRO) Benzene Toluene benzene Total (mg/L) (mV) (pH units) (US) (Deg C) <br /> Unandlent <br /> M-1 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 3.19 -119.0 7.2 735 17.5 <br /> Plume <br /> N-7 6.3 Z 21 8,900 130 1,100 780 0.41 -190.6 6.33 2,528 20.3 <br /> N-7(Dup) 11 Z 36 7,900 150 1,400 1,100 n/a n/a n/a n/a n/a <br /> N-8 <0.50 2.1 <0.5 V 2.6 150 100 1.56 -99 6.8 801 18.6 <br /> N-15 <0.50 0.93 92 2.6 2.0 5.4 0.81 -102.1 6.48 1,447 20.36 <br /> N-16 2.0 1.9 30 0.88 7.3 1.5 1.50 -109.0 6.7 831 22.6 <br /> N-17 1.0 2.3 100 1.4 8.6 9.9 0.92 -58.5 6.14 1,273 20.69 <br /> M-10 0.84 <0.50 <0.50 <0.50 <0.50 <0.50 2.79 -88 6.4 747 19.5 <br /> 0-1 <0.50 1.3 7.6 0.53 0.68 1.3 2.19 -116 6.8 1,729 17.8 <br /> RWA 2.4 5.8 910 11 55 20 1.82 -62 6.7 2,062 20.7 <br /> Down radient <br /> M-8 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 4.23 -78 7.1 1,578 20.5 <br /> N-18 <0.50 0.66 29 1.2 0.60 2.0 1.40 -58.1 6.22 1,437 18.76 <br /> N-18' <0.50` <0.50' 12' 0.59' <0.50' 0.93' 0.71 -104.9 6.60 1,266 18.7 <br /> N-18(Dup)" <0.50' <0.50' 12' 0.54' <0.50' 0.88' n/a n/a n/a n/a n/a <br /> N-19 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.87 -68.2 6.26 935 19.64 <br /> N-20 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 0.77 -41.2 6.22 820 20.06 <br /> Deeper <br /> N-24 0.53 CL <0.50 2.7 <0.50 <0.50 <0.50 0.68 -47.10 6.26 830 19.12 <br /> E ui meat and TN Blanks-September 1 2011 <br /> -1A -0.50 <0.50 <0.50 <0.50 <0.50 <0.50 n/a n/a <br /> REB <br /> n/a We n/a <br /> -1B <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 n/a n/a n/a n/a n/a <br /> -1 I n/a <0.50 <0.50 <0.50 <0.50 <0.50 n/a n/a n/a n/a n/a <br /> E ui ment and Trip Blanks-June 1 2011 <br /> EB-1 <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 n/a n/a n/a n/a n/a <br /> TBA <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 n/a n/a n/a n/a n/a <br /> Notes: <br /> Well N-18 was also sampled during Second Quarter 2011,on June 1,2011. <br /> We = Not analyzed <br /> DRO = Diesel Range Organics(C13-C22) <br /> GRO = Gasoline Range Organics(C4-C13) <br /> < = Not detected(ND)at less than indicated value. <br /> V = Reporting limits were increased due to high concentrations of target analytes <br /> L = DRO concentration may include contributions from heavier-end hydrocarbons(e.g.,motor oil)that elute in the DRO range. <br /> C = Reported concentration includes additional compounds uncharacteristic of common fuels and lubricants. <br /> Z = DRO concentration may include contributions from lighter-end hydrocarbons(e.g.,gasoline)that elute in the DRO range. <br /> ES102411163308XDLW1144 x61112W0001naae 3,GW CMM Reg Samples <br />