Directives - Directive Number (Archive)
- National - STP 2.22A [STP 2.22A] - State Plan Policies and Procedures Manual - 05/14/1986
- National - STP 2.22A CH-1 [STP 2.22A CH-1] - Changes to the State Plan Policies and Procedures Manual - 06/20/1986
- National - STP 2.22A CH-2 [STP 2.22A CH-2] - Change to the State Plan Policies and Procedures Manual - 01/29/1990
- National - STP 2.22A CH-4 [STP 2.22A CH-4] - Changes to State Plan Policies and Procedures Manual - 03/03/1994
- National - STP 2.22A CH-5 [STP 2.22A CH-5] - Changes to the State Plan Policies and Procedures Manual - 03/10/1995
- National - CSP 01-00-002 [STP 2-0.22B] - State Plan Policies and Procedures Manual - PDF - 03/21/2001
- National - CSP 01-00-003 [STP 2.22A CH-3] - Changes to the State Plan Policies and Procedures Manual - 02/27/1990
- National - CSP 01-00-004 [CSP 01-00-002(STP 2-0.22B) - CSP 01-00-003(STP 2.22A CH 3)] - State Plan Policies and Procedures Manual - PDF - 09/22/2015
- National - CSP 01-01-020 [STP 2-1.141] - Servicing of Single Piece Multi-Piece Rim Wheels at Marine Terminals - 12/02/1987
- National - CSP 01-01-031 [STP 2.23] - Final Rule on Abatement Verification - 06/04/1997
- National - CSP 01-02-001 [STP 2-4.9A] - Utilization of Federal Variance Processing System for Monitoring of Approved State Plans - 01/30/1981
- National - CSP 01-03-001 [STP 2.11] - Maritime Jurisdiction in State Plan States - 10/30/1978