Table 3. Identified or suspected contaminants at Fort Richardson, Alaska.
Operable unit
Source area
Contaminants
A
Building 986 Petroleum, Oil,
POLs, solvents, semi-volatile organics, and metals
and Lubricant Laboratory Dry Well
Roosevelt Road Transmitter Site
PCBs, solvents, and metals
Leachfield
Ruff Road Fire Training Area
POLs and dioxins
B
Poleline Road Disposal Area
VOCs, chemical warefare materials
C
Eagle River Flats
White phosphorus
D
Building 35-752
PCBs, diesel, alcohols, paint waste, petroleum hydrocarbons,
and dry-cleaning solvents
Building 700/718
PCBs, POLs, solvents, mineral spirits, alcohols, ethylene
glycol, Stoddard solvent, MEK, cyclohexylamine, PCE, and
TCE
Building 704
POLs, chlorinated solvents, alcohols, mineral spirits, paint
waste, and ballast water
Building 726
PCE, TCE, Stoddard solvent and other chlorinated solvents
Building 796
Battery acid and lead
Building 955
PCBs, petroleum hydrocarbons, VOCs, semi-VOCs, ethlyene
glycol, metals, and pesticides
Building 45-590
Petroleum hydrocarbons and PCE
Dust Palliative Areas
PCBs, petroleum hydrocarbons, and metals
Landfill Former Fire Training Area
POLs and VOCs
Landfill Grease Pits
POLs, solvents, ethylene glycol, paint waste, and pesticides
Stormwater Drainage Outfall to Ship Creek
Any hazardous substance used at Fort Richardson
MEK = Methyl ethyl ketone
POLs = Petroleum, oil, and lubricants
PCBs = Polychlorinalted biphenyls
TCE = Trichloroethene
PCE = Tetrachloroethylene
VOCs = Volatile organic compounds
ground water is 24 m below the surface (Fig. 23).
the basis of the investigation by E&E (1996), flow
However, modeling by E&E (1996) suggests that
paths appear relatively uniform, so that a plume
DRO-type contaminants are unlikely to migrate
from point sources should be long and drawn out
into the ground water at these depths for 90 years
along ground water flow lines.
or more.
A similar situation should be expected at the
RRTSL, where flow is to the westsouthwest and
Monitoring Well Location
Former
Edge of Trees
Road
Groundwater Contour
AP-3656
(15 December 1995)
AP-3657
Groundwater Contour
(24 October 1995)
AP-3655
AP-3653
AP-3654
N
100 m
0
20
40
60
80
Figure 22. Ground water level at RRFTA as monitored by E&E (1996). (Contours in feet, as
originally measured. To convert to meters, multiply by 0.3048.)
30
to contents
Previous Page
