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Table 1 <br /> Predicted and Measured Soil Vapor and Groundwater VOC Concetratic i; <br /> - 10 - <br /> Corral Hollow Sanitary Landfill <br /> Soil Vapor Groundwater <br /> Meassured Molecular Meassured Meassured Henry's Law Calculated <br /> compound Concentration t Weight Concentration 2 Concentration 3 Constant Concentration 4 <br /> (ppbv) (g/mole) (mg/m3) (mg/1) (atm/m3 mol) (mg/1) <br /> Vinyl chloride 770 62.5 2.00 <1 2.70E-02 1.78 <br /> Methylene chloride 17000 84.9 59.90 <2-<7 ** 2.20E-03 653.43 <br /> Benzene 450 78.1 1.46 <1 5.60E-03 6.25 <br /> Trichloroethylene 320 131.5 1.75 <1 1.00E-02 4.19 <br /> Tetrachloroethylene 1200 166.0 8.27 3 -5.1 1.80E-02 11.02 <br /> Dichlorodifluoromethane 14000 132 76.69 12-30 1.00E-01 18.41 <br /> Trichlorofluoromethane 160 187.5 1.25 3 -3.8 9.70E-02 0.31 <br /> Chloromethane 40.5 * 50.5 0.08 <0.53 -3.8 2.40E-02 0.08 <br /> Freon 11 4300 137.5 24.54 <1 9.70E-02 6.07 <br /> Freon 114 930 170 6.56 <1 NA NC <br /> 1,1_Dichloroethane 3000 98 12.20 <1 5.60E-03 52.29 <br /> cis-1,2-Dichloroethene 94 96 0.37 <1 4.10E-03 2.19 <br /> 1. Sampled 10/1/97 from CH-2(deep) <br /> 2. =1000 x ppbv x molecular wt./24.096. <br /> 3. Sampled 6/6/97,9/10/97,and 12/1/97 from Well MW-5 <br /> 4. =measured vapor cont x 0.024/Henry's Law const. <br /> * Compound not detected,value shown is half the method reporting limit <br /> **Detected in September 1997 at 2.9 mg/L. <br /> NA:Not available <br /> NC: Not calculated <br /> t <br /> r <br /> £niton <br /> . .in�o-rnnnni�nn�n si vi o Ro„ n 04110/1000 <br />