Superfund Information Systems: Site Profile

Superfund Site:

LIBBY ASBESTOS SITE
LIBBY, MT

Operable Units

During cleanup, a site can be divided into a number of distinct areas depending on its complexity. These areas, called operable units (OUs), may address geographic areas, specific problems, or areas where a specific action is required. Examples of typical operable units include construction of a groundwater pump and treatment system or construction of a cap over a landfill.

OU ID Name Types of Contaminants
Present at the Time of
ROD Completion
Cleanup Technologies Selected
in the Decision Document
00 SITEWIDE
01 EXPORT PLANT
  • ASBESTOS
  • Cover (soil)
  • Disposal (offsite)
  • Excavation
  • Institutional Controls
  • Operations & Maintenance (O&M)
02 SCREENING PLANT
  • ASBESTOS
  • Cover (soil)
  • Disposal (offsite)
  • Excavation
  • Institutional Controls
  • Monitoring
  • Operations & Maintenance (O&M)
03 MINE
04 REMEDIAL SITEWIDE
05 STIMSOM LUMBER
06 BURLINGTON NORTHERN RR
07 TROY
08 STATE HIGHWAYS

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