Administrative Rules of Montana › Department 17 - ENVIRONMENTAL QUALITY › Chapter 17.58 - MONTANA PETROLEUM TANK RELEASE COMPENSATION BOARD › Subchapter 17.58.3 - Substantive Rules › Rule 17.58.326 - APPLICABLE RULES GOVERNING THE OPERATION AND MANAGEMENT OF PETROLEUM STORAGE TANKS

Current through Register Vol. 13, July 5, 2024
(1) The applicable
				state rules referenced in
				75-11-308(1)(b)(ii)
				and 75-11-309(1)(b),
				MCA, are:
(a) the following provisions of the
				International Fire Code (IFC 2009) are applicable to aboveground storage tanks.
				A copy of the code may be obtained from the International Code Council, 4051
				West Flossmoor Road, Country Club Hills, IL 60478-5795, or online with cost at
				www.iccsafe.org:
(i) 312.1 Vehicle impact
				protection shall be provided by posts that comply with Section 312.2 or by
				other approved physical barriers that comply with Section 312.3;
(ii) 2203.2 An approved, clearly identified,
				and readily accessible emergency disconnect switch shall be provided at an
				approved location to stop the transfer of fuel to the fuel dispensers in the
				event of a fuel spill or other emergency. An emergency disconnect switch for
				exterior fuel dispensers shall be located within 100 feet of, but not less than
				20 feet from, the fuel dispensers;
(iii)2206.7.3D ispensing devices, except
				those installed on top of a protected aboveground tank that qualifies as
				vehicle-impact resistant, shall be protected against physical damage by
				mounting on a concrete island six inches or more in height;
(iv)2206.7.5.1 Dispensing hoses for Class I
				and II liquids shall be equipped with a listed emergency breakaway device
				designed to retain liquid on both sides of a breakaway point. Such devices
				shall be installed and maintained in accordance with the manufacturer's
				instructions. Where hoses are attached to hose-retrieving mechanisms, the
				emergency breakaway device shall be located between the hose nozzle and the
				point of attachment of the hose-retrieval mechanism to the hose;
(v)2704.2.2.4 Secondary containment for
				outdoor storage areas shall be designed to contain a spill from the largest
				vessel. If the area is open to rainfall, secondary containment shall be
				designed to include the volume of a 24-hour rainfall as determined by a 25-year
				storm and provisions shall be made to drain accumulations of groundwater and
				rain water. (In Montana the volume of a 24-hour rainfall as determined by a
				25-year storm does not exceed 4.6 inches of freeboard.); and
(vi)3404.2.9.7.6 Aboveground storage tanks
				shall not be filled in excess of 95 percent their capacity. No later than
				December 31, 2013, tanks must comply with one of the following requirements:
(A) an overfill prevention system shall be
				provided for each tank. During tank-filling operations, the system shall
				provide an independent means of notifying the person filling the tank that the
				fluid level has reached 90 percent of tank capacity or by providing an audible
				or visual alarm signal, or providing a tank level gauge marked at 90 percent of
				tank capacity; or
(B) an
				impermeable secondary containment shall be provided for each tank. The tank
				shall have secondary containment, designed in accordance with 2704.2.2.4 of
				International Fire Code that is impermeable to petroleum;