Laserfiche WebLink
DATA ENTRY SHEET <br /> GW-SCREEN I CALCULATE RISK-BASED GROUNDWATER CONCENTRATION(enter"X"in"YES"box) DTSC <br /> Version 3.0;04/03 Vapor Intrusion Guidance <br /> YES Interim Final 12/04 <br /> Reset to OR (last modified 2/4/09) <br /> Defaults CALCULATE INCREMENTAL RISKS FROM ACTUAL GROUNDWATER CONCENTRATION <br /> (enter'7c'in"YES"box and initial groundwater cyonc�below) <br /> YES <br /> ENTER ENTER <br /> Initial <br /> Chemical groundwater <br /> CAS No. conc., <br /> (numbers only, Cw <br /> no dashes) (µg/L) Chemical <br /> 1634044 370E+01 MTBE <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) (L!m) <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 kv Lookup soil 1 p v Iry 0„,v <br /> Z Parameters 9 3 a <br /> ermeabilit (cm) (g/cm) unitless (cm/cm) <br /> SIC SIC- 1-:38 - 0.481 0.216 <br /> DMORE <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 /> Used to calculate risk-based <br /> groundwater concentration. <br /> L <br /> mtbe Groundwater_Screening_Model_200grev.)ls <br /> DTSC/HERD DTSC Indoor Air Guidance 3/26/2013 <br /> Last Update:11/1/03 Unclassified Soil Screening Model 1023 AM <br />