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LFR Inc. <br /> Desired TOC <br /> (mg/1) <br /> 200 <br /> Effective <br /> Width of Thickness of Pore Total Volume of <br /> Treatment Zone Treatment Treatment Zone Volume Water to Treat <br /> Length (ft) Zone (ft) (ft) Fraction (liters) <br /> 850 350 40 0.23 76,909,700 <br /> Carbon Fraction Edible Oil Carbon from Oil <br /> of Edible Oil Fraction of as a Fraction of <br /> Substrates EOS/SRS EOS/SRS <br /> 0.77 0.60 0.46 <br /> Sodium Carbon from Combined Carbon <br /> Lactate Sodium Lactate as from Sodium Lactate <br /> Carbon Fraction Fraction of a Fraction of and Edible Oil as a <br /> of Sodium Lactate EOS/SRS EOS/SRS Fraction of EOS/SRS <br /> 0.32 0.04 0.013 0.475 <br /> Density of Edible Required Required <br /> Oil Substrate Required Substrate Substrate Substrate <br /> (lbs/gallon) (lbs) (gallons) (drums) <br /> 8.3 71,358 8,566 156 <br /> Notes: <br /> ft = feet <br /> lbs = pounds <br /> Hydrogen Demand/Groundwater Flux Approach to Determining Substrate <br /> Requirement <br /> The Hydrogen Demand/Groundwater Flux approach to determining substrate <br /> requirement attempts to account for the hydrogen requirements to degrade all <br /> Hazardous Substances as well as hydrogen used up by competing biological and <br /> chemical processes. Required inputs include: <br /> • Barrier treatment zone dimensions <br /> • Hydraulic conductivity <br /> • Groundwater gradient <br /> • Design life span period for one application (typically five years) <br /> • Contaminant concentrations <br /> • Dissolved oxygen <br /> wp-PhV IRA-Sep07-Fimi-06750.dm:ifr Page 21 <br />