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BIOSCREEN Natural Attenuation Decision Support System Joe's Truck P/aza7 Data Input Instructions: <br /> Air Force Center for Environmental Excellence Version 1.4 B-zone future extent 115 1. Enter value directly....o/ <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 21.6 (ft/yr) Modeled Area Length* 420 (ft) rte— — formulas, hit button below. <br /> or or Modeled Area Width* 250 (ft) W Imw Variable* Data used directly in model. <br /> Hydraulic Conductivity K 1.3E-02 (cm/sec) Simulation Time* 24 (yr) m Value calculated by model <br /> Hydraulic Gradient 1 0.0005 (ft/ft) (Don't enter any data). <br /> Porosity n 0.3 (-) 6. SOURCE DATA <br /> Vertical Plane Source: Look at Plume Cross <br /> Source Thickness in Sat,Zone*=mv <br /> 2. DISPERSION source Zones: - Section 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) 50 0 <br /> Vertical Dispersivity* alpha z 0.1 (ft) 250 0005 <br /> or or FF 100 2.8 © \ <br /> Estimated Plume Length Lp 300 (ft) 25 0,0005 <br /> 3. ADSORPTION Source Halflife(see Help): <br /> Retardation Factor* R 2.0 (-) (yr) View of Plume Looking Down <br /> or or Inst.React. 1st Order <br /> Soil Bulk Density rho 1.7 (kg/1) Soluble Mass 0.40 (Kg) Observed Centerline Concentrations at Monitoring Wells <br /> Partition Coefficient Koc 11.2 (L/kg) In Source NAPL,Soil if No Data Leave Blank or Enter "0" <br /> FractionOrganicCarbon foc 1.6E-2 (-) 7. FIELD DATA FOR COMPARISON <br /> Concentration(mg/L) <br /> 4. BIODEGRADATION Dist.from Source (ft) 0 42 84 1 126 168 <br /> 1 st Order Decay Coeff* lambda 3.2E-1 (per yr) <br /> or or 8. CHOOSE TYPE OF OUTPUT TO SEE: <br /> Solute Half-Life t-half 2.20 (year) Heb Recalculate ThIR <br /> or Instantaneous Reaction Model RRUN ARRAY p Sheet <br /> Delta Oxygen* DO (Mg/L.) ECENTE;RLINE Paste Example Dataset <br /> Delta Nitrate* NO3 (mg/L) <br /> Observed Ferrous Iron* Fe2+ (mg/L) ew ut View Out utDelta Sulfate* SO4 (mg/L) P Restore Formulas for Vs, Dispersivities <br /> lambda,other <br /> Observed Methane* CH4 (mg/L) <br />