Underground Storage Tanks

NOTE: QA documents referred to in some of the following publications may be outdated. Visit The EPA Quality System web site for the latest version of EPA's QA documents.

• Guidance On Alternative Integrity Assessment Methods For Steel USTs Prior To Upgrading With Cathodic Protection EPA Memorandum July 25, 1997
• Alternative Integrity Assessment: New ASTM Standard
  EPA Memorandum October 9, 1998
  • Checklist of Requirements of Former ASTM ES 40 and Current ASTM G158
  • Compliance Options for Tank Leak Detection and Integrity Assessment
• Table of maximum widths and depths of sludge/product allowed (1 pg, 6K, About PDF) in the bottom of USTs assessed under the visual-based method in ASTM G 158.
• List of Integrity Assessment Evaluations for UndergroundStorage Tanks - Third Edition January 22, 1999 (8 pp, 46K, About PDF) This 8-page EPA Memorandum (dated February 9, 1999) provides a list of integrity assessment procedures that have been successfully evaluated and certified by a qualified independent third party to meet specified performance criteria.

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