This paragraph shall apply to the storage of portable containers not in excess of 1,000 pounds water capacity, filled or partially filled, at user location but not connected for use, or in storage for resale by dealers or resellers. This paragraph shall not apply to containers stored at charging plants or at plants devoted primarily to the storage and distribution of LP-Gas or other petroleum products.
Containers in storage shall be located so as to minimize exposure to excessive temperature rise, physical damage, or tampering by unauthorized persons.
Container valves shall be protected while in storage as follows:
By setting into recess of container to prevent the possibility of their being struck if the container is dropped upon a flat surface, or
By ventilated cap or collar, fastened to container capable of withstanding blow from any direction equivalent to that of a 30-pound weight dropped 4 feet. Construction must be such that a blow will not be transmitted to a valve or other connection.
The outlet valves of containers in storage shall be closed.
Empty containers which have been in LP-Gas service when stored inside, shall be considered as full containers for the purpose of determining the maximum quantity of LP-Gas permitted by this paragraph.
Containers when stored inside shall not be located near exits, stairways, or in areas normally used or intended for the safe exit of people.
The quantity of LP-Gas stored shall not exceed 300 pounds (approximately 2,550 cubic feet in vapor form) except as provided in subparagraph (5) of this paragraph.
Containers carried as a part of service equipment on highway mobile vehicles are not to be considered in the total storage capacity in subdivision (i) of this subparagraph provided such vehicles are stored in private garages, and are limited to one container per vehicle with an LP-Gas capacity of not more than 100 pounds. All container valves shall be closed.
The quantity of LP-Gas stored in special buildings or rooms shall not exceed 10,000 pounds.
A portion of the exterior walls or roof having an area not less than 10 percent of that of the combined area of the enclosing walls and roof shall be of explosion relieving construction.
Each opening from such storage rooms to other parts of the building shall be protected by a 1 1/2 hour (B) fire door listed by a nationally recognized testing laboratory. Refer to 1910.7 for definition of nationally recognized testing laboratory.
Fixed electrical equipment shall be installed in accordance with paragraph (b)(18) of this section.
Such rooms shall have no open flames for heating or lighting.
Such rooms shall be adequately ventilated both top and bottom to the outside only. The openings from such vents shall be at least 5 feet away from any other opening into any building.
The floors of such rooms shall not be below ground level. Any space below the floor shall be of solid fill or properly ventilated to the open air.
Such storage rooms shall not be located adjoining the line of property occupied by schools, churches, hospitals, athletic fields or other points of public gathering.
The walls, floors, and ceilings of container storage rooms that are within or adjacent to other parts of the building shall be constructed of material having at least a 2-hour fire resistance rating.
Storage outside of buildings, for containers awaiting use or resale, shall be located in accordance with Table H-33 with respect to:
| Quantity of LP-Gas Stored | Distance |
| 500 pounds or less | 0 |
| 501 to 2,500 pounds | (1)0 |
| 2,501 to 6,000 pounds | 10 feet |
| 6,001 to 10,000 pounds | 20 feet |
| Over 10,000 pounds | 25 feet |
Footnote(1) Container or containers shall be
at least 10 feet from any building on adjoining
property, any sidewalk, or any of the exposures
described in 1910.110(f)(6)(i) (c) or (d) of
this paragraph.
at least 10 feet from any building on adjoining
property, any sidewalk, or any of the exposures
described in 1910.110(f)(6)(i) (c) or (d) of
this paragraph.
Containers shall be in a suitable enclosure or otherwise protected against tampering.
Storage locations other than supply depots separated and located apart from dealer, reseller, or user establishments shall be provided with at least one approved portable fire extinguisher having a minimum rating of 8-B, C.