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1 <br /> DATA ENTRY SHEET <br /> GW-SCREEN CALCULATE RISK-BASED GROUNDWATER CONCENTRATION(enter"X"in"YES"box) DTSC <br /> Version 3.0;04/03 1 Vapor Intrusion Guidance <br /> YES Interim Final 12104 <br /> Reset t0 OR (last modified 2/4/09) <br /> Defaults CALCULATE INCREMENTAL RISKS FROM ACTUAL GROUNDWATER CONCENTRATION <br /> (enter"X"in"YES"box and initialgroundwater conc.below) <br /> I[` YES <br /> 1 ENTER ENTER <br /> Ill���aaa Initial- <br /> Chemical groundwater <br /> CAS No. conc:, <br /> (numbers only, Cw <br /> no dashes) (µ;/L) Chemical <br /> 108883 6,00E-01 Toluene <br /> ENTER ENTER ENTER ENTER <br /> MORE Depth <br /> 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 /> LF Lwr directly above Ts - Q.ii <br /> (cm) (cm) water table" (°C) (Um) <br /> 15 1128 SIC 24 _ <br /> MORE <br /> 41 <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 /> (used to estimate OR permeability, soil type bulk density, porosity, porosity, <br /> soil vapor k„ Lookup soil p v nv 0„,v <br /> z Parameters 3 <br /> permeability) (cm) l� (g/cm) unitless (cm'/cm') <br /> SIC SIC 1.38 0.481 0.216 <br /> 1 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 /> L <br /> Used to calculate risk-based <br /> groundwater concentration. <br /> Yui <br /> TBA Groundwater_Screening_Model 2009rev.xls <br /> DTSC/HERD DTSC Indoor Air Guidance 3/26/2013 <br /> Last Update:11/1/03 Unclassified Soil Screening Model 2:06 PM <br /> iii <br />