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RSCA Tool Kit for Chemical Releases, Version 1 3a <br /> Transport Modeling Options Site " ' 335 <br /> . . Manteca, p-0 <br /> 1. Vertical ransport, Surface 000iMo umn - <br /> e roun wa er i u ion enua ion ac or <br /> Outdoor Air Volatilization Factors C�D .: 11711777 4 ' <br /> O Surface soil volatilization model only , <br /> O Combination surface sod/Johnson & Ettinger models ; <br /> Thickness of surface soil zone 100 (cm) <br /> O User-specified VF from other modela' ' ' ' "---`� °���`"��"' °-- <br /> ErAter VF Values <br /> Indoor Air Volatilization Factors O Calculate DAF using Domenico Model <br /> O Johnson& Ettinger model O Domenico equation with dispersion only(no biodegradation) <br /> O User-specified VF from other model _Enter VF Values O Domenico equation first-order decay a o Enter Decay Rates I <br /> Soil-to-Groundwater Leachina Factor <br /> p Modified Domenico equation using _ ry inter Site Data ' <br /> O ASTM Model _ electron acceptor superposition <br /> ❑ Apply Soil Attenuation Model (SAM) Enter L:eetly Biodegradation Capacity NC (mg/L) ; <br /> ❑ Allow first-order biodecay Enter Decay Elates <br /> O User-specified LF from other model —interJ-E Values- } —or— � <br /> 2. Lateral Air Dispersion_Factor User-Specified DAF Values <br /> O DAF values from other model -- <br /> j–-�-�–-..-� F - Enter DAF Value <br /> wind or site data <br /> O 3-D Gaussian dispersion model Off-site 1 Off-site 2 4. Commands and 0p Ions <br /> O User-Specified ADF 1 00E+0 1 00E+0 (J <br /> j Main Screen Print Sheet Help <br />