The requirements of this standard apply to surface areas only.
(a) If a hazard to persons could be created, no combustible materials shall be stored or allowed to accumulate within 25 feet of the following:
- (1) Electric substations.
- (2) Unburied, flammable or combustible liquid storage tanks.
- (3) Any group of containers used for storage of more than 60 gallons of flammable or combustible liquids.
- (b) The area within the 25-foot perimeter shall be kept free of dry vegetation.