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:

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

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

   1. (1) UL 142, for shop-fabricated steel tanks;
   2. (2) UL 142 and UL 2080, for fire resistant tanks;
   3. (3) UL 2085, for protected tanks;
   4. (4) UL 2245, for below-grade vaults;
   5. (5) API 620, for field-erected, low pressure steel tanks;
   6. (6) API 650, for shop-fabricated and field-erected atmospheric steel tanks;
   7. (7) PEI RP 200, for motor fuel dispensing facilities;
   8. (8) PEI RP 300, for vapor recovery systems at motor fuel dispensing facilities;
   9. (9) PEI RP 800, for bulk storage plants; and
   10. (10) API 2610, for AST facilities and terminals;

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

   1. (1) NFPA 30A, for AST systems used in the storage of oil at automotive and marine service stations;
   2. (2) NFPA 31, for AST systems used in the storage of oil directly associated with on-premise-use heating;
   3. (3) NFPA 110, for emergency and standby power AST systems; or
   4. (4) NFPA 30, for all other AST systems subject to this part;

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

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

   2. (2) Is either:

      1. a. A separate layer constructed of a material that is at least as impermeable as 60-mil high-density polyethylene; or
      2. b. A double bottom on the tank itself with interstitial monitoring as specified in Env-Or 305.12; and
5. (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.

Source. (See Revision Note at chapter heading for Env-Or 300) #10487, eff 2-7-14; ss by #14094, eff 10-4-24