Laserfiche WebLink
RISC User's Manual Version 4.0 <br /> Table B-1 Data Requirements for the Saturated Zone Model <br /> Typical Range of Values <br /> Units Minimum Maximum <br /> MEDIA-SPECIFIC PARAMETERS <br /> Porosity fraction 0 O1 0 5 <br /> Fraction Organic-Carbon fraction 0 001 005 <br /> Hydraulic Conductive m/day 1 OOE-07 100 <br /> Soil Bulk Density fraction 14 22 <br /> Hydraulic Gradient m/m >0 005 <br /> Longitudinal Dispersivity in site-specific site-specific <br /> (Note May be code calculated <br /> Transverse Dispersivity m site-specific site-specific <br /> ote May be code calculated <br /> Vertical Dispersivity m site-specific site-specific <br /> (Note May be code calculated <br /> WELL LOCATION <br /> • Distance Down adient in site-specific site-specific <br /> Distance Cross-Gradient in site-specific site-specific <br /> Depth to Top of Well Screen m site-specific site-specific <br /> De th to Bottom of Well Screen m site-specific site-specific <br /> Number of averaging se eats - 1 10 <br /> DISSOLVED PHASE SOURCE <br /> Thickness of Source Area m site-specific site-specific <br /> Length of Source Area m site-specific site-specific <br /> in direction of GW flow <br /> Width of Source Area in site-specific site-specific <br /> e endicular to GW flow <br /> CHEMICAL-SPECIFIC DATA (individual chemical component) <br /> Source Concentration m l site-s ecific site-specific <br /> Diffusion Coefficient in Water cm 2/S chem-specific chem-specific <br /> K� mllg chem-specific chem-specific <br /> DegradationRate l/d site-s ecific site-specific <br /> • <br /> B-92 <br />