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BIOSCREEN Natural Attenuation Decision Support System Spreckels- ----- - Sugar h <br /> Data!if-irt Instructions: <br /> Air Force Center for Environmental Excellence `Version 1.4 IUSTB __ ___ _____ ., r1 Enter value directiv...or <br /> Run Name or 2. Calculate by fllim in prey <br /> 1. HYDROGEOLOGY 5. GENERAL 0.02 cells below. (To restore <br /> Seepage Velocity* Vs 10.0 (ft/yr) Modeled Area Length* 400 (ft) } -• formulas, hit button beloyv. <br /> or Modeled Area Width* 50 (ft). w Variable'" Data used direct! in model. <br /> Hydraulic Conductivity .> K 1.0E-03 (cm/sec) Simulation_Time* 15 (yr) <br /> � I�I! lo Value calculated by model. <br /> Hydraulic Gradient i 0.003 (ft/ft) (Don't enter any data). <br /> 'Porosity . n 0.3 O 6. SOURCE DATA W. <br /> Source Thickness in Sat.Zone* 10 (ft} I Vertical Plane Source: Look at Plume Cross-Section <br /> :2. DISPERSION Source Zones: and Input Concentrations& Widths <br /> Longitudinal Dispersivity* alpha x 9.3 (ft) ..Width* ft Conc. m 1L * 4" for Zones 1, 2, and 3 <br /> Transverse Dispersivity* alpha y. 0.9 (ff)-. 10 0.2 F <br /> Vertical Dispersivity" alpha z 0.0 (ft) 10 2 F <br /> or dor 10 20 11 ■ e ■ a ■ s• . <br /> Estimated Flume Length Lp 150 (R) <br /> 3. ADSORPTION Source Halfllfe, see Hell <br /> Retardation Factor* R 1.1 (J (yr) A View of Plume Looking Down <br /> or T f_or _ Inst.React. . 1 st order <br /> Soil.Bulk.Density rtio 1.7 (kg/f) Soluble AAass 80 (Kg) Observed Centerfine Concentrations at Monitoring Wells <br /> ;_Partition Coefficient Koc 59 (L/kg) In Source NAPL,Soil: if No Data Leave Blank or Enter 0" <br /> FractionOrganicCarbon " : foc 2.0E-4 O' 7. FIELD DATA FOR COMPARISON <br /> Concentration(mglL) <br /> 4. BIODEGRADATION Dist.from Source (fit) r 40 1 •0 1 120 1 160 1 200 240 280 F320 360 1 400 <br /> 1st Order Decay Coeff* iambde 1.7E-1 (per yr) <br /> or �� 8..CHOOSE TYPE'OF OUTPUT TO SEE: <br /> .RUN ;Rea Solute Half-Life t-half 4:00 (year}. :j� late Thisor Instantaneous Reaction Model RUN ARRAY Hereeet <br /> Delta Oxygen* DO 2.5 (mg/L) CENTERLINEDelta Nitrate* NO3 3.6 (mg/L} Paste Examet�Obsen+ed Ferrous Iron* Fel+ 5.5 (mg/L) VIeW Output VIeW OUtpUt Restore FormVs, <br /> Delta Sulfate* SO4 8.2 (mg/L) Dispersivities, R, ,other <br /> ;Observed Methane* CH42.4 (mg/LJ <br />