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Deletion of sites from the National Priorities List (NPL) may occur once all response actions are complete and all cleanup goals have been achieved. EPA has the responsibility for processing deletions with concurrence from the State. Deleted sites may still require five-year reviews to assess protectiveness. Also, if future site conditions warrant, additional response actions can be taken, using the Trust Fund or by Potential Responsible Parties. Relisting on the NPL is not necessary; however, sites can be restored to the NPL if extensive response work is required. EPA can also delete portions of sites that meet deletion criteria.
National Contingency Plan Guidelines on Deletions (PDF)
(40 CFR Part 300.425(e)) (2 pp, 51K)
Conducting Remedial Actions at Sites Deleted from the National Priorities List (PDF)
(OSWER Directive 9200.0-57, May 2007) (2 pp, 472K)
Guidance for Deleting Sites from the National Priorities List
- How Sites are Deleted from the NPL
- Direct Final Process for Deletions
- "Close Out Procedures for National Priorities List Sites"
- "CERCLA Delegation of Authority 14-17, National Priorities List Determinations, Headquarters Concurrence on Notice of Intent to Delete" (September 2008)
Deleting Resource Conservation and Recovery Act (RCRA) Facilities
- Policy for Non-Federal Facilities (PDF)
(60 FR 14641, March 20, 1995) (5 pp, 67K)
- Policy Revised for Federal Facilities (PDF)
(62 FR 62523, November 24, 1997) (4 pp, 56K)