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Close Out Procedures for National Priorities List Sites

The Close Out Procedures for National Priorities List Sites describes the process for accomplishing remedial action completion, construction completion, site completion, partial deletion and site deletion for National Priorities List sites. This document also provides recommended format and content for relevant close out documents.

The documents addressed by this guidance are the Remedial Action Report, Preliminary Close Out Report, Final Close Out Report, Notice of Intent to Delete (or Partially Delete), and Notice of Deletion (or Partial Deletion).

You will need Adobe Reader to view the files on this page. See EPA's PDF page to learn more.


"Close Out Procedures for National Priorities List Sites" (May 2011) (PDF)
OSWER 9320.2-22 (51 pp, 795K)
  • Transmittal Memorandum (PDF) (2 p, 266K)


  • Please note: The following documents have been superseded by the May 2011 document above,
    but are included below for reference.


    Addendum to Policy for "Close Out Procedures for National Priorities List Sites" (PDF)
    OSWER 9320.2-13, December 6, 2005 (4 pp, 261 K)  

    Close Out Procedures for National Priorities List Sites (PDF)
    OSWER 9320.2-09A-P, January 3, 2000 (45 pp, 133 K)
  • Transmittal Memorandum (PDF) (1 p, 9K)
  • Appendices (PDF) (85 pp, 376K)


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