N.H. Admin. Code § Env-Or 305.01

Current through Register No. 50, December 12, 2024

Section Env-Or 305.01 - Tank Standards for AST Systems Installed On or After April 25, 1997

Any tank installed on or after April 25, 1997 that is part of a facility listed in Env-Or 301.02(a) that does or will contain oil shall:

(a) Be constructed of steel or other materials as applicable fire safety standards allow;

(b) Be certified by its manufacturer as meeting or exceeding the following design or manufacturing standards, as applicable:

(1) UL 142, for shop-fabricated steel tanks;

(2) UL 142 and UL 2080, for fire resistant tanks;

(3) UL 2085, for protected tanks;

(4) UL 2245, for below-grade vaults;

(5) API 620, for field-erected, low pressure steel tanks;

(6) API 650, for shop-fabricated and field-erected atmospheric steel tanks;

(7) PEI RP 200, for motor fuel dispensing facilities;

(8) PEI RP 300, for vapor recovery systems at motor fuel dispensing facilities;

(9) PEI RP 800, for bulk storage plants; and

(10) API 2610, for AST facilities and terminals;

(c) Subject to Env-Or 305.02, be located, designed, and installed in accordance with the following NFPA standards, as applicable:

(1) NFPA 30A, for AST systems used in the storage of oil at automotive and marine service stations;

(2) NFPA 31, for AST systems used in the storage of oil directly associated with on-premise-use heating, as required by RSA 146-E:4, I;

(3) NFPA 110, for emergency and standby power AST systems; or

(4) NFPA 30, for all other AST systems subject to this part;

(d) If designed to be on the ground, be separated from the ground by a barrier that:

(1) Will not deteriorate due to exposure to the elements or soil in the presence of oil; and

(2) Is either:

a. A separate layer constructed of a material that is at least as impermeable as 60-mil high-density polyethylene; or

b. A double bottom on the tank itself with interstitial monitoring as specified in Env-Or 305.12; and

(e) Have continuous corrosion protection as specified in Env-Or 305.06 for any steel or other metal that is part of the AST system and that is in contact with the ground.

N.H. Admin. Code § Env-Or 305.01

(See Revision Note at chapter heading for Env-Or 300) #10487, eff 2-7-14