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DATA ENTRY SHEET <br /> GW-SCREEN CALCULATE RISK-BASED GROUNDWATER CONCENTRATION(enter")Cin"YES"box) DTSC <br /> Version 3.0;04/03 Vapor Intrusion Guidance <br /> YES Interim Final 12/04 <br /> L�De�zeutitts' <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 /> L ENTER ENTER <br /> Initial <br /> Chemical groundwater <br /> CAS No. conc., <br /> f (numbers only, Cw <br /> lir no dashes) (Pg/L) _ Chemical <br /> 100414 2.40E+01 Ethylbenzene <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 QW1 <br /> (cm) (cm) water table (°C) <br /> 15 1128 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 /> 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, Lookup8oil j pbv nv 0 W <br /> z Parameters ICM) <br /> permeability) � (cm) (g/cm) unitless (CM3/CMI) <br /> SIC _ SIC 1.38 0.481 0.216 <br /> C <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 1 30 30 350 <br /> Used to calculate risk-based <br /> groundwater concentration. <br /> Ethylebenzene 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 2:08 PM <br />