2-14 Surfer visualizations of Sages post remedial source zone maximum solubility
 scaled aqueous concentrations in m ap view ................................................. .............. 61

2-15 Fractional NAPL removal (FNR) as a function of initial PCE saturation from the
 1998 ethanol fl ood at the Sages site..................................... ...................... .............. 64

3-1 December 1998 MLS source zone TCE concentration as a function of ethanol
 concentration in the surface ground ater..................................................... .............. 71

3-2 Sages source zone transect natural gradient concentrations for 6-year period after the
 A ugust 1998 ethanol fl ood .. ....................................................................... .............. 73

3-3 Sages downgradient transect natural gradient flux for 6-year period following August
 1999 ethanol flood. .................................. .......... ........................ .. 76

3-4 Sages source zone mass discharge following August 1998 ethanol flood..................... 78

3-5 Sages downgradient transect mass discharge in mmol/day for the six- year period
 follow ing the 1998 ethanol flushing event.................................................... .............. 80

4-1 Sages 1998 ethanol flushing pilot test fractional NAPL removal to fractional flux
 redu action relation ship ................................................. .............................................. 84

4-2 Relationship of 1998 Sages flood fractional NAPL removal to flow weighted
 fraction al fl ux redu action ...................................................................... ...... ............. 86