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L. <br /> DATA ENTRY SHEET <br /> GW-SCREEN CALCULATE RISK-BASED GROUNDWATER CONCENTRATION(enter"X"in"YES"box) DTSC <br /> Version 3.0;04/03 Vapor Intrusion Guidance <br /> YES Interim Final 12/04 <br /> Reset to OR (last modified 2/4/09) <br /> Defaults 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 /> iiirrr Initial <br /> Chemical groundwater <br /> CAS No. conc., <br /> (numbers only, Cw <br /> no dashes) (Ng/L) Chemical <br /> 107062 9.30E+01 1,2-Dichloroethane <br /> ENTER ENTER ENTER ENTER <br /> MORE Depth <br /> 4o 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, soil type temperature, (Leave blank to calculate) <br /> Lr LwT directly above Ts Q.4 <br /> (cm) (cm) water table CC) <br /> r - 15 1128 1 SIC 24 0 <br /> MORE <br /> y <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 /> r soil type soil vapor SCS soil dry soil total soil water-filled <br /> f (used to estimate OR permeability, soil type bulk density, porosity, porosity, <br /> {Iw soil vapor k, �..a P soil ! a v nv 0„,v <br /> Z Parameters s <br /> permeability) (cm) (g/cm) unitless (CM3/CM3) <br /> sic SIC 1.38 0.481 0.216 <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, noncarcinogens, carcinogens, noncarcinogens, duration, frequency, <br /> TR THQ ATc ATNc ED EF <br /> (unitless) (unitless) (yrs) (yrs) (yrs) (days/yr) <br /> 1.0E-06 1 - 70 30 30 -350 <br /> Used to� calculate risk-based� <br /> groundwater concentration. <br /> 12dca Groundwater Screening_Model_2009rev.xis <br /> DTSC/HERD DTSC Indoor Air Guidance 3/26/2013 <br /> Last Update:11/1/03 Unclassified Soil Screening Model 10:26 AM <br />