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Underground Storage Tank Technical Compendium


EPA revised the UST regulations in June 2015. Some of the information in this compendium may no longer apply because of those revisions.

This compendium contains interpretations and guidance regarding the underground storage tank (UST) regulations issued in 1988.

The compendium contains interpretations and guidance letters EPA developed. The major category headings are:

  1. Applicability, Definitions, and Notification (ADN)
  2. New/Upgraded UST Systems (NUS)
  3. Release Detection (RD)
  4. Release Investigation, Confirmation, and Corrective Action (RICC)
  5. Closure (CL)
  6. Financial Responsibility (FR)

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