Northwest Pipe and Casing Photo Gallery
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United States Environmental Protection Agency
Region 10 Superfund: NW Pipe & Casing Co. - Hall Process Co.
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 Northwest Pipe and Casing Photo Gallery

Northwest Pipe and Casing Photo Gallery


Northwest Pipe & Casing - Soil Phase 1 Remedial Action
August-October 2001:
image - pile of big chuncks of concrete
Stockpiled demolished concrete awaiting crushing.		image - piles of crushed rock
Piles of 11/2" minus crushed rock from concrete crusher.		image - on-site treatment cell for high VOC-contaminated soil, to pre-treat before off-site treatment
on-site treatment cell for high VOC-contaminated soil, to pre-treat before off-site treatment
image - massive chunks of stained concrete in large pile
Consolidated pile of stained concrete.		image - about 6 foot diameter above-ground coal tar tank, cut in half to facilitate removal of solidified coal tar
above-ground coal tar tank, cut in half to facilitate removal of solidified coal tar in SW corner of site.
Excavation Area 2:
image - pile of oversize debris awaiting disposition decision
pile of oversize debris awaiting disposition decision.		image - NAPL floating on perched groundwater in test pit
NAPL floating on perched groundwater in test pit.		image - NAPL on perched groundwater in EA 2
NAPL on perched groundwater.
image - medium sized stones covered with mucky, sandy substance
NAPL-stained subsurface soil and gravel.		image - NAPL-stained silty gravel underlying initial excavation
NAPL-stained silty gravel underlying initial excavation.		image - NAPL sheen on perched groundwater
NAPL sheen on perched groundwater.
Excavation Area 3:
image - filler pipe leading to 10X30 feet buried UST
filler pipe leading to 10X30 feet buried underground storage tank (UST).		image - lengthwise view of cylindrical 10,000 gallon tank with end perforated
Buried 10,000 gallon tank removed for disposal.		image - 10,000 gallon tank uncovered with end in pieces
Buried 10,000 gallon tank removed for disposal, shows perforations in the ends.
Final layer of backfill.
image - wet soil, dry soil, back hoe
Watering on-site road during windy day.		image - soil debris removed from EA3
soil debris removed.		image - tractor bucket approaching large piles of treated soil
Backfilling using treated soil. Notice black color of treated soil.		image - dark treated soil in piles on parched ground
Backfilling using treated soil. Notice black color of treated soil.
Excavation Area 4:
image - Cat 950 moving very dark soil into place
Treated soil returned to site for backfilling.		image - silt fence separages construction ground and wetland
Silt fence installed to protect on-site wetlands.		image - dark-colored native soil on bottom of the excavation in EA4
dark-colored native soil on bottom of the excavation.
image - coal tar chunk removed during soil excavation
coal tar chunk removed during soil excavation.		image - piles of excavated soil screened and awaiting off-site disposition decision
piles of excavated soil screened and awaiting off-site disposition decision.		image - Stake is location of a confirmation sample in area 4
dark-colored native soil on bottom of the excavation. Stake is location of a confirmation sample.
Excavation Area 5:
image - piles of debris
Piles of debris excavated. Collection of drums containing solid coal tar removed from excavation.		image - drums of coal tar
Close-up of drums of coal tar removed from excavation.
image - coal tar chuncks and plastic debris
Buried coal tar chunks and plastic debris in EA5.		image - coal tar chuncks showing through soil
Buried coal tar chunks debris in EA5.		image - shiny, black substance mixed in with rocks
Buried coal tar chunks in EA5.
Excavation Area 6:

Eastern edge of EA 6, showing layer of dark-stained soil
Clean soil being placed as backfill.
image -
Floor of finished excavation. A gravel filled trench/utility corridor is visible.		image - windrows to allow volatilization
Shows floor of the excavation ripped to allow volatilization of soil VOCs in excavation bottom.		image - pieces of concrete
Pieces of concrete buried near EA 6. Pile of process piping removed from EA 6 in background.		image - pieces of concrete
Pieces of concrete buried near EA 6. Pile of process piping removed from EA 6.
image - watering excavated soil prior to screening
Watering excavated soil prior to screening near EA6		image - buried perforated tank
Buried perforated tank		image - excavation area in foreground, dirtpiles and trees behineExcavation in progressimage - electrical wires showing form pipe protruding from ground
Buried tank. Electrical wires present in one of the filler pipes.
image - gunky pipes protruding from earth with wires visible
Buried tank. Electrical wires present in one of the filler pipes.		image - excavated soil being screened to separate out oversize and debris
excavated soil being screened to separate out oversize and debris.		image - chunks of debris and rocks of everysize in pile
Pile of oversize debris excavated.		image - buried coal tar globules
buried coal tar globules.

Excavation Area 7:
image - shows 2 feet of soil removed
shows 2 feet of soil removed.		image - piles of soil excavated and screened
piles of soil excavated and screened.



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Point of contact: Alan Goodman
E-Mail: goodman.alan@epa.gov
Phone Number: (503) 326-3685
Last Updated: 05/26/2006

 

 
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