MA OU - Metals Area Operable Unit
This OU consists of 3 sites totaling approximately
25 acres within the Crab Orchard National Wildlife
Refuge. The Record of
Decision (ROD), March 1990, documented lead,
cadmium, zinc, and cyanide contamination. Over
40,000 cubic yards of soils were removed and treated
as necessary or disposed in an engineered 3-acre
on-site landfill in 1995 and 1996. The USFWS is
conducting long term operation and maintenance which
consists primarily of groundwater monitoring,
leachate disposal, and maintenance of the onsite
landfill.
Metals
OU Overview Map
(624 KB PDF
file)
Acronyms
The following documents can be found
at:
Southern Illinois University
(618) 453-2818
McLafferty Annex
1830 University Press Drive
Carbondale, Illinois 62901
Hours: Monday - Friday 9:00
a.m. - 5:00 p.m.
U.S. Fish & Wildlife Service
(618) 997-3344
Crab Orchard National Wildlife Refuge
6987 Headquarters Road
Marion, Illinois 62959
Hours: Monday - Friday 8:00 a.m. - 4:00 p.m.
The following are downloadable
documents in Adobe Acrobat format.
2006
Five Year Review (4.3 MB PDF
file)
2001 Five
Year Review for the Metals Area Operable Unit
(2.35 KB PDF file)
1990 Record of Decision
for the Metals Area Operable Unit
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