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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 12104 <br /> Reset to <br /> OR (last modified 2/4/09) <br /> Defaults CALCULATE INCREMENTAL RISKS FROM ACTUAL GROUNDWATER CONCENTRATION <br /> (enter"X"in"YES'box and initial groundwater cone,below) <br /> YES <br /> ENTER ENTER <br /> 111rrrccc Initial <br /> Chemical groundwater <br /> LCAS No cone., <br /> (numbers only, CW <br /> no dashes) (pg/L) Chemical <br /> 108383 1.40E+01 . m-Xylene <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 /> Lr Lw, directly above Ts Q-;i <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 /> y <br /> soil vapor k„ Lookup Soil Ppv nv - 0wv <br /> Parameters <br /> ermeabilit <br /> (cm) Parameters unitless (cm3/cm3) <br /> SIC - SIC 1.38 0.481 0.216 <br /> MORE <br /> 41 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 /> xylenes 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 2:11 PM <br />