Superfund Information Systems: Site Profile

Superfund Site:

PORTLAND HARBOR
PORTLAND, OR

Operable Units

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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 UPLANDS
02 IN-WATER
03 GASCO
04 TRIANGLE PARK

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