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r r r r r rr r rr r r rr rr rr rr rr rr rr rr rs <br /> GW-SCREEN CALCULATE RISK-BASED GROUNDWATER CONCENT DTSC <br /> Version 3.0; 04/03 Vapor Intrusion Guidance <br /> YES Interim Final 12/04 <br /> OR (last modified 2/4/09) <br /> CALCULATE INCREMENTAL RISKS FROM ACTUAL GROUNDWATER CONCENTRATION <br /> (enter"X" in "YES" box and initial groundwater conc. below) <br /> YES D <br /> ENTER ENTER <br /> Initial <br /> Chemical aroundwate <br /> CAS No. conc., <br /> (numbers onl CW <br /> no dashes) (µ9/L) Chemical <br /> 71432 1 6.00E-01 Benzene <br /> ENTER ENTER ENTER ENTER <br /> MORE Depth <br /> below grade Average ENTER <br /> to bottom Depth soil/ Average vapor <br /> of enclosedbelow gradE SCS groundwater flow rate into bldg. <br /> space floor,)water table soil type emperature, (Leave blank to calculate) <br /> LF LWT lirectly abov TS Qso;i <br /> (cm) (cm) water table (°C) (um) <br /> 15 1041 S 19.5 <br /> MORE <br /> y <br />