LIST OF FIGURES


Figure Page

1-1 Map view of Sages site multilevel sampling wells..................................................... 15

1-2 Water flux (q;) and contaminant flux (J,) across a control plane................................ 29

1-3 Flux reduction to m ass reduction relationship.............................................. .............. 32

1-4 Approximate alcohol flushing test results of source zone depletion and subsequent
 fl u x re d u ctio n ................................................................................................................. ... 3 3

2-1 Map view of well locations for 1998 remedial flow field .......................................... 35

2-2 Estimated linear fluid velocities of each MLS well at each respective ......................... 36

2-3 Examples of breakthrough curves of tracers during the PITTs at Sages ....................... 39

2-4 Map view of % PCE saturation Surfer visualizations in the source zone from the
 1998 pre-rem edial PITT at Sages ...................................... ........................ .............. 41

2-5 Relationship of initial PCE saturation to remedial flow field estimated fluid velocity
 in the Sages source zone for several MLS wells......................................................... 43

2-6 Solubility of PCE in ethanol/water mixtures .............................................................. 44

2-7 Surfer plots of Sages initial source zone maximum solubility scaled aqueous PCE
 concentrations in m ap view .................................................................. ................... 47

2-8 Relationship of initial PCE saturation to initial scaled PCE concentration for several
 M L S w ells at S ag es........................................................................................................... 4 8

2-9 Sages 1998 ethanol flood cumulative distribution functions for MLS ethanol and
 P C E ................................................................................................................. ........... 5 2

2-10 Map view of % PCE saturation Surfer visualization of the source zone from pors-
 rem e d ial P IT T ................................................................................................................. .. 5 4

2-11 Comparison of pre and post remedial conservative tracer mean arrival times at
 S ag e s ............................................................................................................... ........... 5 5

2-12 Map view Surfer visualizations of % ethanol in the Sages source zone........................ 58

2-13 Comparison of estimated fluid velocity in remedial flow field to percent residual
 ethanol concentrations at Sages ........................................ ......................... .............. 59