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New Hampshire Department of Environmental Services
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Aboveground Storage Tank Program
Aboveground Storage Tank The Aboveground Storage Tank Program is designed to prevent releases of oil from aboveground Petroleum Storage Tanks (ASTs) in New Hampshire. Petroleum ASTs are regulated by both the Department of Environmental Services (DES) and the New Hampshire Fire Marshal's Office. DES established rules for petroleum ASTs in April 1997. The rules entitled Aboveground Petroleum Storage Facilities (Env-Or 300) can be downloaded below. These rules apply to:
  • facilities with a single AST system having a capacity greater than 660 gallons, or
  • facilities with two or more ASTs that have a total storage capacity greater than 1,320 gallons

(Note: ASTs with a combined capacity of 1,320 gallons or less storing fuel oil used only to heat an on-premise structure are exempt. This includes home heating oil tanks.) more…

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NH Department of Environmental Services | 29 Hazen Drive | PO Box 95 | Concord, NH 03302-0095
(603) 271-3503 | TDD Access: Relay NH 1-800-735-2964 | Hours: M-F, 8am-4pm

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