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BIOSCREEN Natural Attenuation Decision Support System Ripona-MTBE Data Input Instructions <br /> Air Force Center for Environmental Excellence,; Version 14 liRipoh. CA 115 _ 1 Enter value directly or <br /> Run Name or 2 Calculate by flllinq in grev <br /> 1 HYDROGEOLOGY 5, GENERAL .-y- L �, cells below (To restore <br /> Seepage VelocityVs 80 (ft/yr) Modeled Area Length 1000 (ft) t formulas, hit button below <br /> I,,- or Modeled Area Width" 50fl (ft) W Variable* - Data used direyl in model <br /> Hydraulic Conductivity K 10 E-3 (cm/sec) Simulation Time* /30 (yr) m- - Value calculated by model <br /> Hydraulic Gradient 1 0 006 <br /> � (ft/ft) � � (Dont enter any data) <br /> Porosity n 0 3 (} 6 SOURCE DATA <br /> I = Source Thickness in Sat,Zone* 10 (ft) Vertical Plane Source Look at Plume Cross-Section <br /> 2 DISPERSION Source Zones and Input Concentrations& Widths <br /> Longitudinal Dispersivity* alpha x 41 (ft) Width* ftI Conc m L * 'for Zones 1, 2, and 3 <br /> Transverse Dispersivity* alpha y 04 (ft) 0 0 <br /> Vertical Dispersivity* alpha z 05 (ft) 5 005 <br /> or or 10 045 lei ee a es a <br /> Estimafed Plume Length Lp ":80 ( e <br /> l3 ADSORPTION Source Halfiife(see Helps j <br /> Retardation Factor* R 0 1 O e e i i (yr) View of Plume Looking Down <br /> i or T+or Inst React , It 1st Order <br /> Soil Bulk Density rho 165 (kg/l) Soluble Mass 1 (Kg) Observed Centerline Concentrations at Monitoring Wells <br /> Partition Coefficient Koc 1 (LI In Source NAPL,Soil If No Data Leave Blank or Enter"0" <br /> �FracbonOrganicCarbon 'foc 5 OE-3 () 7. FIELD DATA FOR COMPARISON <br /> Concentration(mg/L)l 45 1 05 O <br /> 4 BIODEGRADATION _ " ' �� �a Dist.from Source (ft)�# <br /> °1st Order Decay Coeff* lambda 6 9E-1 (per yr) - r <br /> or T ^r, e -1 8 CHOOSE TYPE OF OUTPUT TO SEE` <br /> Solute Half-Life 1 half 1 00 <br /> f (year) 4 _ Recalculate This <br /> or Instantaneous Reaction Model -_— �,' RUN Help <br /> Delta Oxygen* Do (mom) CENTERLINE RUN ARRAY fi p sheet <br /> Delta Nitrate NO3 (mg/L) K Paste Example Dataset <br /> Observed Ferrous Iron* Fe2+ (MgIL) 4n, View Out ut View Output <br /> ;Delta Sulfate* SO4 (mg/ <br /> L) <br /> PRestore Formulas for Vs, <br /> Observed Methane CH4 (mg/L) ' ? Dispersivities, R, lambda, other <br /> Y -�P f <br />