Here is a list of important documents for each Operating Unit (OU) within the Libby Asbestos Superfund Site:
OU1: Former Export Plant
Final Libby Institutional Control Implementation and Assurance Plan (ICIAP) Revision 1 for the Former Export Plant Operable Unit 1 (OU1)
https://semspub.epa.gov/src/document/08/1563016 (PDF)
Final Operations and Maintenance Plan, Revision 1 for the Former Export Plant Site, Operable Unit 1 (OU1) Lincoln County, Montana
https://semspub.epa.gov/src/document/08/1563014 (PDF)
Site-Specific Justification for the Partial Deletion from the National Priorities List of Operable Unit 1 (ou1), Former Export Plant, of the Libby Asbestos Superfund Site
https://semspub.epa.gov/src/document/08/1925086 (PDF)
OU2: Former Screening Plant
Libby Operable Unit 2 (OU2) Institutional Control Implementation and Assurance Plan (ICIAP) Revision 3 – The Former Screening Plant and Nearby Areas
https://semspub.epa.gov/src/document/08/100003734 (PDF)
Libby Operations and Maintenance Plan, Revision 1 for the Former Screening Plant and Surrounding Properties (Operable Unit 2) Lincoln County, Montana
https://semspub.epa.gov/src/document/08/1563011 (PDF)
OU3: Former Mine Site
Please find more information here:
https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.scs&id=0801744&doc=Y&colid=34512®ion=08&type=SC
OU5: Former Stimson Lumber Mill
The Former Stimson Lumber Mill, Operable Unit 5, Institutional Control, Implementation and Assurance Plan
https://semspub.epa.gov/src/document/08/1777457 (PDF)
Final Libby Operable Unit 5 (OU5) Operations and Maintenance (O&M) Plan
https://semspub.epa.gov/src/document/08/100003839 (PDF)
OU6: BNSF Railway Corridor
Please find more information here:
https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.scs&id=0801744&doc=Y&colid=40075®ion=08&type=SC
OU4 and OU7: Libby and Troy Residential and Commercial Properties, Parks, and Schools
Final Institutional Control Implementation and Assurance Plan (ICIAP) for Operable Units 4 and 7 (OU4 and OU7), Libby Asbestos Superfund Site
https://semspub.epa.gov/src/document/08/100007518 (PDF)
Final Operations and Maintenance Plan for Libby Asbestos Superfund Site Operable Units 4 and 7, Libby and Troy Residential and Commercial Properties, Parks, and Schools, Lincoln County, Montana
https://semspub.epa.gov/src/document/08/100007658 (PDF)
Libby Asbestos Superfund Site Operations and Maintenance (O&M) Manual; Libby and Troy Residential and Commercial Properties, Parks, and Schools; Operable Units 4 and 7 (OUs 4 and 7) Prepared by Montana Department of Environmental Quality (DEQ)
https://semspub.epa.gov/src/document/08/100007909 (PDF)
Final Remedial Action Completion Report for Operable Units 4 and 7 of the Libby Asbestos Superfund Site, Lincoln County, Montana
https://semspub.epa.gov/src/document/08/100008096 (PDF)
OU8: Highway Transportation Corridors
Libby Operable Unit 8 (OU8): Institutional Control Implementation and Assurance Plan (ICIAP)
https://semspub.epa.gov/src/document/08/100001617 (PDF)
Highways and Roadways, Operable Unit 8, Operation and Maintenance Plan
https://semspub.epa.gov/src/document/08/100005249 (PDF)
Final Libby Operable Unit 8 (OU8) Explanation of Significant Differences (ESD)
https://semspub.epa.gov/src/document/08/100008568 (PDF)