Laserfiche WebLink
BIOSCREEN Natural Attenuation Decision Support System Joe's Truck Plaza Data Input Instructions: <br /> Air Force Center for Environmental Excellence Version 1.4 A-zone calibration 115 7. Enter value direct/v....or <br /> Run Name T'or 2 Calculate by filling in grey <br /> 1. HYDROGEOLOGY 5. GENERAL O.o2 Cells below. (To restore <br /> Seepage Velocity* Vs 50.0 (ft/yr) Modeled Area Length* 800 (ft) t L i formulas, hit button below, <br /> or 11. or Modeled Area Width* 250 (ft) W RNE�) Variable* Data used directly in model. <br /> Hydraulic Conductivity K 2.9E-02 (cm/sec) Simulation Time* 9 (yr) 1 m Value calculated by model. <br /> Hydraulic Gradient i 0.0005 (tuft) (Don't enter any data)._ <br /> Porosity n 0.3 (-) 6. SOURCE DATA <br /> Source Thickness in Sat.Zone* o (ft) Vertical Plane Source. Look atPlume Cross- <br /> 2. DISPERSION Source zones: Section and Input Concentrations& Widths <br /> Longitudinal Dispersivity* alpha x 16.1 (ft) Width* ft Conc. (mg/L)* 077 for zones 9, 2, and 3 <br /> Transverse Dispersivity* alpha y 1.6 (ft) <br /> Vertical Dispersivity* alpha z 0.1 (ft) 25 0.0005 <br /> or or 100 2.8 0 0 0 3 0 0 0 0 <br /> Estimated Plume Length Lp 400 (ft) 0.0005 <br /> 0 0 <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/l) Soluble Mass 2a (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) 056 .12 .01 .002 <br /> 4. BIODEGRADATION Dist.from Source (ft) I 80 160 I I I 480 560 640 � <br /> 1 st Order Decay Coeff* lambda 3.6E-1 (per yr) <br /> or or 8. CHOOSE TYPE OF OUTPUT TO SEE: <br /> Solute Half-Life t-half 1.91 (year) Help Recalculate ThJR, <br /> or Instantaneous Reaction Model RUN JRUN ARRAY p Sheet <br /> Delta Oxygen* DO (mg/L) CENTERLINE <br /> Delta Nitrate* NO3 (mg/L) Paste Example Dataset <br /> Observed Ferrous Iron* Fel+ (�L) View Output View Output <br /> Delta Sulfate* SO4 (mg/L) P P Restore Formulas for Vs, Dispersivities <br /> lambda,other <br /> Observed Methane* CH4 (M910 <br />