These documents provide information about approval and implementation of states’ and territories’ UST programs.
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- The Office of Underground Storage Tanks Program Appraisal Strategy, May 6, 1988 (Directive 9610.6) (PDF)(19 pp, 161 K)
- State Program Approval Handbook, May 11, 1992 (Directive 9650.11) (PDF)(121 pp, 750 K)
- Suggested Procedures for Review of State UST Applications, May 1992 (Directive 9650.12) (PDF)(66 pp, 1 MB)
- Procedures and Requirements for Codification of Approved State UST Programs, September 1994 (Directive 9650.15) (PDF)(113 pp, 620 K)