Underground Storage Tanks

These resources provide information about converting petroleum underground storage tank (UST) systems to USTs storing biodiesel-blended fuels. For other biodiesel topics, please visit the biofuels compendium biodiesel page or select a different subject area from the Quick Links menu on the right.

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• Alternative Fuel Storage Guidelines for UST Systems (PDF) (2 pp, 208K, About PDF)
  Prepared by the North Carolina Department of Environment and Natural Resources, this brochure provides UST stakeholders with information on materials compatibility, regulatory status, and conversion of tanks for ethanol and biodiesel storage.
• Frequently Asked Questions about Biodiesel in Underground Storage Tanks (PDF) (1 pg, 19K, About PDF)
  This fact sheet, developed by the North Carolina Division of Waste Management, answers questions on the regulation of biodiesel in USTs, conversion of tanks, and spills of biodiesel in North Carolina.
• Frequently Asked Questions about Biodiesel in Underground Storage Tanks (PDF) (2 pp, 43K, About PDF)
  This fact sheet, developed by the Washington State Department of Ecology, answers questions on the regulation of biodiesel in USTs, conversion of tanks, and spills of biodiesel in Washington.
• Storage Tank Alternative Fuel Installation/Conversion Application (PDF) (2 pp, 224K, About PDF)
  Wisconsin Department of Commerce requires completing this form prior to conversion to ethanol blends greater than 10 percent and biodiesel blends greater than 5 percent.

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