ESTCP Project #1011, Rhizosphere
Final Report
H igh Inp ut
Lo w In put
Dig and haul
Incineration
Low tem perature therm al
Soil washing
Cost
Bioslurry reactors
Com posting
Air sparging and bioventing
Landfarming
Rhizosphere-enhanced biorem ediation
Freeze-thaw stim ulated activity
Natural attenuation
oo
Tim e
Figure 3. Cost versus time trade-off for remediation techniques.
Barrow Site
*
Navy & Battelle
Bettles
*
Galena-Campion Site
AK-District & AF
ClearWater Env.
Annual Mean Temperatures
40
Annette Island
Annette Island Site
*
Degrees F
AK District & FAA
Fairbanks
20
ClearWater Env.
Barrow
0
Year
Figure 4. Location of our three sites in Alaska.
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