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Closing USTs

UST systems in use on or after December 22, 1998 must meet the closure requirements at 40 CFR 280.70 when an owner and operator decides to close the UST system. You can close your UST temporarily or permanently. In either case, USTs must be closed properly.

Closing Temporarily

You may temporarily close your UST for up to 12 months by following these requirements for temporary closure: After 12 months of temporary closure, you have three options:
  1. You must permanently close your UST if it doesn't meet the applicable requirements for new or upgraded USTs (except for spill and overfill).
  2. You can ask your regulatory authority for an extension beyond 12 months, if you provide an assessment that determines whether contamination is present at your site.
  3. Your UST can remain temporarily closed without needing an extension granted by the regulatory authority if the UST meets the applicable requirements for new or upgraded USTs (except for spill and overfill) and the requirements noted above for temporary closure.

Closing Permanently

If you decide to close your UST permanently, follow these requirements for permanent closure:

Don't forget to check with your state agency for their closure requirements.

Safe Closure Is A Must

People who do not follow standard safety practices are killed or injured every year while closing or removing tanks. For a safe closure, you need qualified professionals who will use standard safety practices.

For more information on standard safety practices, UST owners and closure contractors should refer to "Closure of Underground Petroleum Storage Tanks," API Recommended Practice 1604 (1996), which is available from the American Petroleum Institute, 1220 L Street, NW, Washington, DC 20005, or call (202) 682-8000 for assistance. You can also visit API's website. Exit EPA Disclaimer

The video and companion booklet called "Tank Closure Without Tears: An Inspector's Safety Guide" are available from the New England Interstate Environmental Training Center at (978) 323-7929. You can also visit NEIWPCC's website. Exit EPA Disclaimer

 

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