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DATA E*HEFT <br /> GW-SCREEN CALCULATE RISK-BASED GROUNDWATER CONCENTRATION(enter"X"in'YES box) OTSC <br /> Version 3 4,04!43 1 Vapor Intrusion Guidance <br /> YES U Interim final 12104 <br /> Reset to OR (last modified 1121/05) <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 /> Initial <br /> Chemical groundwater <br /> CAS No cone <br /> (numbers only Cw <br /> no dashes) (11911.) Chemical <br /> 107062 1 2-Dichloroethane <br /> ENTER ENTER ENTER ENTER <br /> MORE Depth <br /> below grade Average ENTER <br /> to bottom Depth soly 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 a., <br /> (cm) (cm) water table CC) {L!m) <br /> 15 105156 SI I24 0 <br /> (Lowest measured depth July 2004-Apnl 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 sod total soli water-filled <br /> (used to estimate OR permeability soil type bulk density porosrty porosity <br /> sod vapor k. C Lookup Soil P"V nv �v <br /> permeability) (cmc) P8f°R10t6 (gran) undless (cm'lcrrr� <br /> S1 Si 135 0 489 0167 <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 noncarranogens, carcinogens noncarcmogens duration frequency <br /> TR THO ATc ATNc ED EF <br /> undless)__ (unitless) (yrs) (yrs) (yrs) {dayslyr} <br /> 1 OE-06 1 70 25 25 25D <br /> Used to calculate nsk-based <br /> groundwater concentration <br /> 120CA <br /> DTSC 1 HERD DTSC Indoor Aur Guidance 7/19/2005 <br /> Last Update 1111/03 Unclassified Sod Screening Model 140 PM <br />