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0 0 <br /> PITTMAN ELEMENTARY SCHOOL <br /> i Risk and Hazard for VOCs in Soil Gas and Groundwater <br /> Chemical Risk(maximum) Hazard (maximum) <br /> Acetone NC 8.0E-04 <br /> Benzene 2.8E-07 3.8E-04 <br /> 1,3-Butadiene 4.3E-06 2.9E-03 <br /> 2-Butanone (Methyl Ethyl Ketone) NC 3.7E-05 <br /> Carbon Disulfide NC 6.9E-06 <br /> Chloroform 3.4E-09 5.0E-06 <br /> 1,3-Dichlorobenzene NC 9.9E-06 <br /> 1,2-Dichloroethane 8.2E-08 2.3E-05 <br /> Ethyl Benzene NC 8.5E-06 <br /> Hexane NC 1.6E-04 <br /> Methyl tertiary-Butyl Ether 1.0E-08 3.0E-05 <br /> Methylene Chloride 1.0E-08 6.1E-05 <br /> Prop (benzene NC 1.4E-05 <br /> Tetrachloroethene 1.7E-07 1.9E-03 <br /> Toluene NC 1.8E-04 <br /> Trichloroethane 1.5E-09 2.9E-06 <br /> 1,1,1-Trichloroethane NC 1.5E-05 <br /> 1,2,4-Trimeth (benzene NC 1.6E-03 <br /> 1,3,5-Trimethylbenzene NC4.6E-04 <br /> m,p-Xylene NC 3.1E-04 <br /> o-X lene NC 1.2E-04 <br /> • Summation 4.9E-06 9.0E-03 <br /> NC: not calculated <br /> Risk and hazard could not be calculated for cyclohexane, heptane, 4-ethyltoluene, and ethanol as unit <br /> risk factor(URF) and reference dose concentrations (RfC)were not available for these constituents. <br /> • <br /> j&e_summation.xls <br />