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TABLE 9 <br /> November 1994 <br /> CALCULATED BENZENE TRAVEL DISTANCES <br /> Given: <br /> • hydraulic gradients ranging from 0 001 to 0 006 ft/ft <br /> • corresponding groundwater pore velocities V, ranges from 0 007 to 0 045 ft/day <br /> • calculated site benzene retardation factor of Rf= 107 <br /> The calculated travel distance for a particle of benzene affected water from the Mayor Mart <br /> Site is estimated <br />' Dime= V, x T <br /> Rf <br /> Therefore the following information is derived <br /> Travel Time (T) Distance Range feet from source <br /> 1 year 24ft to 154ft <br /> 2years 48ft to307ft <br /> 5 years 119 ft to 76 8 ft <br /> 10 years 23 8 ft to 153 5 ft <br />' Model assumptions and parameter estimation discussions are provided in Appendix G <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> Spence&Ertgertemng A rtelyns Carporedort SECORa CRC Rnvuonme W F sk Management Inc <br /> N026crc/Nou-oi rev September 1994 <br />