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Attachment 6 NJU1 <br /> BioScreen Model <br /> A LAN6AN COMPANY i <br /> 420 N Madison Street <br /> Stockton,California <br /> 1310SCREEN Natural Attenuation Decision Support System 420 N.Madison Data Input Instructions: <br /> Air Force Center for Environmental Excellence Version 1.4 lni5uts 115 <br /> 1. Enter value directly...or <br /> Run Name or 2. Calculate by filling in grey <br /> 1. HYDROGEOLOGY 5. GENERAL o.02 cells below. (To restore <br /> Seepage Velocity* Vs 8.3 (ft/yr) Modeled Area Length* 200 (ft) t~ formulas,hit button below). <br /> or or Modeled Area Width* 100 (ft) W Variable* Data used directly in model. <br /> Hydraulic Conductivity K 1.0E-03 (cm/sec) Simulation Time* 9 (yr) m Value calculated by model. <br /> Hydraulic Gradient i 0.002 (ft/ft) (Don't enter any data). <br /> Porosity n 0.25 () 6. SOURCE DATA <br /> Source Thickness in Sat.Zone* 20 (ft) Vertical Plane Source: Look at Plume Cross-Section <br /> 2. DISPERSION Source Zones: and Input Concentrations& Widths <br /> Longitudinal Dispersivity* alpha x 13.8 (ft) Width* ft Conc. m /L* _ for Zones 1, 2,and 3 <br /> Transverse Dispersivity* alpha y 1.4 (ft) 20 0.0005 <br /> i <br /> Vertical Dispersivity* alpha z 0.0 (ft) 7.5 0.046 <br /> or T or 10 0.075 �o Q: � m o o e <br /> Estimated Plume Length Lp 300 (ft) 7.5 0.046x-� r " <br /> 20 000 <br /> 3. ADSORPTION Source Ha f ife(see Help). <br /> Retardation Factor* R 1.0 (-) (yr) { View of Plume Looking Down <br /> or t or. Inst. React. 1 st Order r t` <br /> Soil Bulk Density rho 1.7 (kg/1) Soluble Massl 1000 (Kg) # Observed Centerline Concentrations at Monitoring Wells <br /> Partition Coefficient Koc 38 (Ukg) In Source NAPL,Soil If No Data Leave Blank or Enter"0" <br /> FractionOrganicCarbon foc 5.7E-5 () 7. FIELD DATA FOR COMPARISON <br /> Concentration(mg/L) 075 <br /> 4. BIODEGRADATION Dist.from Source (ft) 0 1 20 40 60 80 100 550 1 600 620 1 640 1 660 <br /> 1 st Order Decay Coeff* lambda 1.4E-1 (per yr) <br /> or Tor 8. CHOOSE TYPE OF OUTPUT TO SEE: <br /> Solute Half-Life t-half 4.80 (year) Help Recalculate <br /> or Instantaneous Reaction Model RUN ! RUN ARRAY _ 1" <br /> Delta Oxygen* DO 1.46 (mg/L) Paste Example Dataset <br /> Delta Nitrate* NO3 1.3 m /L <br /> Observed Ferrous Iron* Fel+ 11 (mg/L) Vlew OUtpUt View Out i <br /> Restore Formulas for Vs, <br /> Delta Sulfate* SO4 85 (mg/L) - <br /> Observed Methane* CH4 0 <br /> (m9/L <br /> ) <br /> Page 2 of 6 <br />