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BIOSCREEN Natural Attenuation Decision Support System KeeslerAFB Data Input Instructions: <br /> Air Force Center for Environmental Excellence Version 1 4 SWMU 66 F 115 1. Enter value directiv...or <br /> Run Name or 2. Calculate by filling it prey <br /> 1. HYDROGEOLOGY 5. GENERAL f—F _� 0.02 cells below. (To restore <br /> Seepage Velocity* Vs 14.9 (ft/yr) Modeled Area Length* 1600 (ft) formulas, hit button below) <br /> or Modeled Area Width* 150 (ft) w Variable* Data used directly in model <br /> Hydraulic Conductivity K I 1.2E-03 (cm/sec) Simulation Time* 120 (yr) + m Value calculated by model. <br /> Hydraulic Gradient 0.003 (ft/ft) ___ (Don't enter any data). - <br /> Porosity n 0.25 (-) 6. SOURCE DATA <br /> Source Thickness in Sat.Zone* 10 (ft) Vertical Plane Source: Look at Plume Cross-Section <br /> WDISPERSION Source Zones and Input Concentrations Widths <br /> ongitudinal Dispersivity* alpha x 9.8 (ft) Width* (ft) I Conic. (rrl ® for Zones 1 2 and 3 <br /> Transverse Dispersivity* alpha y 1.0 (ft) <br /> Vertical Dispersivity* alpha z 0.0 (ft) 25 0.0005 <br /> or or 100 29 7 ■ ■ ■ ■ <br /> Estimated Plume Length Lp 165 (ft) 0.0005 '-,` <br /> 0 0 <br /> 3. ADSORPTION Source Halflife(see mel ): <br /> Retardation Factor* R 1.1 (-) (yr) View of Plume Looking Down <br /> or - or Inst. React. 1st Order <br /> Soil Bulk Density rho 1.7 I'll Soluble Mass 5 (Kg) Observed Centerline Concentrations at Monitoring Wells <br /> Partition Coefficient Koc 14 (L/kg) In Source NAPL, Soil If No Data Leave Blank or Enter"0" <br /> FractionOrganicCarbon foc 1.0E-3 (-) 7. FIELD DATA FOR COMPARISON <br /> Concentration (mg/L)l 29.0 1 .0 .0 .0 <br /> 4. BIODEGRADATION Dist. from Source (ft) •' r ' <br /> 1st Order Decay Coeff* lambda 6 9E+0 (per yr) <br /> or nr 8. CHOOSE TYPE OF OUTPUT TO SEE: <br /> olute Half-Life t-half 0.10 (year) Recalculate This ` <br /> or instantaneous Reaction Model RUN RUN ARRAY He'p Sheet <br /> Delta oxygen* DO M72 <br /> (mg1L) CENTERLINE _ � <br /> Delta Nitrate* NO3 (mg/L) Paste Example Dataset <br /> ... <br /> Observed Ferrous Iron* Fe2+ (mg/L) Vlew Output View Output Restore Formulas for Vs, <br /> Delta Sulfate* SO4 (mg/L) �2" r: Dispersivities R lambda other <br /> Observed Methane* CH4 (mg/L) ,, u _ _..., . . .. k, _ __ ,. .-. . <br />