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BIOCHLOR Natural Attenuation Decision Support System Silgan Container Data Input Instructions: <br /> Version 2.2 Stockton, CA 115 1. Enter value directly....or <br /> Excel 2000 Run Name T or 2. Calculate by filling in gray <br /> TYPE OF CHLORINATED SOLVENT: Ethenes 5. GENERAL 0.02 cells. Press Enter, then (C) <br /> Ethanes O Simulation Time* 10 (yr) +L --' (To restore formulas, hit"Restore Formulas"button) <br /> 1.ADVECTION Modeled Area Width' 300 (ft) W Variable* . Data used directly in model. <br /> Seepage Velocity* Vs 62.1 (ft/yr) Modeled Area Length* 500 (ft) j Test if Natural Attenuation <br /> or 1�1 Zone 1 Length* 500 (ft) Zone 2= Biotransformation Screening Protocol l <br /> Hydraulic Conductivity K 2.5E 03 (cm/sec) Zone 2 Length* 0 (ft) is Occurring --- --- -- <br /> Hydraulic Gradient i 0.006 (ft/ft) L Zone 1 <br /> Effective Porosity n 0.25 (-) [6. SOURCE DATA TYPE: Decaying Vertical Plane Source: Determine Source Well <br /> 2. DISPERSION -- g Location and Input Solvent Concentrations <br /> Source Options Single Planar <br /> Alpha x* 40 (ft) Alpha x <br /> (Alpha y)/(Alpha x)* 0.1 (-) p Source Thickness in Sat. Zone* 17 (ft) <br /> (Alpha z)/(Alpha x)* LEA 9 - ---- Y1 i*X, <br /> 3. ADSORPTION Width* (ft) 60 * <br /> Retardation Factor* - R ks <br /> or Conc. (mg/L)* C1 (1 <br /> Soil Bulk Density,rho 1.6 (kg/L) TCA 0 0.2 <br /> FractionOrganicCarbon,foc 1.8E-3 (-) 0.2 View of Plume Looking Down <br /> ICA <br /> 013 <br /> i <br /> Partition Coefficient Koc y CA 0 0.2 ` <br /> TCA 426 (L/kg) 5.91 (-) ! r Observed Centerline Conc. at Monitoring Wells <br /> DCA 130 (Ukg) 2.50 (-) <br /> CA 125 (L/kg) 2.44 O <br /> 7. FIELD DATA FOR COMPARISON <br /> TCA Conc.(mg/L) <br /> Common R(used in model)* = 2.50 DCA Conc.(mg/L) .007 .007 <br /> 4. BIOTRANSFORMATION -1st Order Decay Coefficient* JCA Conc. (mg/L) 0 .0 <br /> Zone 1 ?-(1/ r) half-life(yrs) Yield <br /> TCA — DCA 2.000 <-- 10.74 <br /> f <br /> DCA —j CA 1.000 0.65 1 Distance from Source(ft) 0 60 120 180 240 <br /> CA — Ethane 0.700 <7 0.47 jDate Data Collected LZQL2 <br /> 8. CHOOSE TYPE OF OUTPUT TO SEE: <br /> 'erg�, -,z��g��:_.��=F �'� _,.-, -.:: '�--�. .. '. '. -::--.-'- �_..-.•�_� `.— 1 -. � <br /> Zone 2 1 1/ r half-life(yrs) - u Restore <br /> TCA DCA 0.000 �• r �� He/ RESET <br /> Formulas <br /> HELP .l k <br /> DCA ._r_ CA 0.000 F RUN CENTERLINE RUN ARRAY - <br /> CA —;r Ethane 0.000 - SEE Paste <br /> Example <br /> OUTPUT <br /> i <br />