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DATA E*EET <br /> GW-SCREEN CALCULATE RISK-BASED GROUNDWATER CONCENTRATION(errter"X"rn"YES"box) DISC <br /> Version 3 0,{)4103 Vapor Intrusion Guidance <br /> YES Interim Final 12104 <br /> Reset to OR (last modified 1121105) <br /> Defaults CALCULATE INCREMENTAL RISKS FROM ACTUAL GROUNDWATER CONCENTRATION <br /> (enter"X"in"YES"box and initial groundwater cont below) <br /> YES t�.J <br /> ENTER ENTER <br /> Initial <br /> Chemical groundwater <br /> CAS No cont <br /> (numbers only CW <br /> no dashes) (41L) Chemical <br /> 91203 Naphthalene <br /> ENTER ENTER ENTER ENTER <br /> MORE Depth <br /> below grade Average ENTER <br /> to bottom Depth soli! Average vapor <br /> of enclosed below grade SCS groundwater flow rate into bidg <br /> space floor to water table soil type temperature, (Leave blank to calculate) <br /> LF LWT directly above Ts (a., <br /> _fan) (cm) water table CC) - (LLIM) <br /> 15 105156 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 soil dry soil total sod water-filled <br /> (used to estimate OR permeability sod type bulk density porosity porasdy <br /> soil vapor k t aaawp son pev nv 06v <br /> rneabd (Cm2) P°°'"°t0R (Wcm) undless (CMI/cm) <br /> SI SI 135 0 Zg--T 0167 <br /> MORE <br /> y' 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 norcarcinogens carcinogens noncarcinogens, duration frequency, <br /> TR THO ATc ATNC EO EF <br /> unkless unrtiess da <br /> 1OE-06 1 70 1 25 25 250 <br /> Used to calculate nsk-based <br /> groundwater concentration <br /> DTSC 1 HERDQTSC Indoor Air Guidance NAPTH <br /> 7n 912005 <br /> Last Update 1111/03 Unclassified Sod Screening Model 148 PM <br />