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DATA E*EET . <br /> GW-SCREEN CALCULATE RISK BASED GROUNDWATER CONCENTRATION(enter"X"m"YES"box) 0TSC <br /> Version 3 0,04103 Vapor Intrusion Guidance <br /> YES �.......J Interim Final 12104 <br /> Reset to OR (last modified 1/21105) <br /> Defaults CALCULATE INCREMENTAL RISKS FROM ACTUAL GROUNDWATER CONCENTRATION <br /> (enter"X"in"YES`box and initial groundwater cont below) <br /> YES —J <br /> ENTER ENTER <br /> Initial <br /> Chemical groundwater <br /> CAS No conc <br /> (numbers only, ow <br /> no dashes) (µg1L) Chemical <br /> 104518 n-Butyiberizene <br /> ENTER ENTER ENTER ENTER <br /> MORE Depth <br /> Y below grade Average ENTER <br /> to bottom Depth soil! Average vapor <br /> of enclosed below grade SCS groundwater flow rate into bldg <br /> space floor to water table sod type temperature (Leave blank to calculate) <br /> LF LwT directly above Ts <br /> (cm) (cm) water table cc) {um} <br /> 15 106156 SI 24 <br /> (Lowest measured depth July 2004-April 2005) <br /> MORE <br /> ENTER ENTER <br /> Vadose zone User-defined ENTER ENTER ENTER ENTER <br /> SCS vandose zone Vadose zone Vadose zone Vadose zone Vadose zone <br /> sod type sod vapor SCS sod dry sod total soil water-filled <br /> (used to estimate OR permeability sod type bulk density porosity porosity <br /> soil vapor k„ r.—P Soo Pcv nv Rov <br /> Pe"neabli (crnF) Parsmeteia (gtcm,) undless (CmIlcm) <br /> Si SI 135 0489 0167 <br /> MORE <br /> ENTER ENTER ENTER ENTER ENTER ENTER <br /> Target Target hazard Averaging Averaging <br /> risk for quotient for time for time for Exposure Exposure <br /> carcinogens noncarcmnogens, carcinogens noncercinogens duration frequency <br /> TR THQ ATc ATNc ED EF <br /> (undless) (undless) (yrs) (yrs) in) (dayslyr) <br /> 1 OE-06 1 70 25 25 250 <br /> Used to calculate risk-based <br /> groundwater concentration <br /> i <br /> NBUT <br /> DTSC 1 HERD DTSC Indoor Air Guidance 7/19/2005 <br /> Last Update 1111/03 Unclassified Soil Screening Model 149 PM <br />