Close Out Procedures for National Priorities List Superfund Sites

EPA’s guidance, 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 (NPL) 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, the Preliminary Close Out Report, the Final Close Out Report, the Notice of Intent to Delete (or Partially Delete), and the Notice of Deletion (or Partial Deletion).

• Close Out Procedures for National Priorities List Sites (PDF) (OLEM Directive 9320.2-23, June 2022, 51 pp, 1MB)