With improper storage and handling of flammable liquids being the leading cause of industrial fires, OSHA is always on the look out for violations. Proper storage of flammable liquids can help eliminate millions of dollars of damage, help save the lives of your employees and prevent OSHA fines.
A summary of applicable regulations and codes are noted below. Always check with local regulators to insure you comply.
Do you have flammables and combustibles stored in safety storage cabinets?
OSHA 29 CFR 1910.106 (e)(2)(ii)(b):
Incidental storage or use of flammable and combustible liquids.
(b) The quantity of liquid that may be located outside of an inside storage room or
storage cabinet in a building or in any one fire area of a building shall not exceed:
(1) 25 gallons of Class IA liquids in containers
(2) 120 gallons of Class IB, IC, II, or III liquids in containers
(3) 660 gallons of Class IB, IC, II, or III liquids in a single portable tank.
Do you have drums containing flammable or combustible liquid stored in drum storage cabinets?
Uniform Fire Code 79.201:
(g) Storage Cabinets. 1. General. When provisions of this code require that liquid
containers be stored in storage cabinets, such cabinets, and storage shall be in
accordance with this section. Cabinets shall be conspicuously labeled in red letters on
contrasting background FLAMMABLE - KEEP FIRE AWAY.
2. Quantities. The quantity of Class I or Class II liquids shall not exceed 60 gallons and
the total quantities of all liquids in a storage cabinet shall not exceed 120 gallons.
3. Construction. Cabinets may be constructed of wood or metal. Cabinets shall be listed
or constructed in accordance with the following:
A. Unlisted metal cabinets. Metal cabinets shall be of steel having a thickness of not
less than 0.043 inch. The cabinet, including the door, shall be double walled with 1½ inch
air space between the walls. Joints shall be riveted or welded and shall be tight fitting.
Doors shall be well fitted, self-closing, and equipped with a latching device. The bottom of
the cabinet shall be liquid-tight to a height of at least two inches.
Do you have adequate facilities for storage of corrosives, pesticides, or paint and ink products?
Maximum Storage Quantities for Cabinets
|Liquid Class||Maximum Storage Capacity|
|Flammable/Class I||60 gallons|
|Combustible/Class II||60 gallons|
|Combustible/Class III||120 gallons|
|Combination of Classes||120 gallons *|
|* Not more than 60 gallons may be Class I and Class II liquids. No more than 120 gallons of
Class III liquids may be stored in a storage cabinet, according to OSHA 29 CFR 1910.106(d)(3) and NFPA 30 Section 4-3.1.
Note: Not more than three such cabinets may be located in a single fire area, according to NFPA 30 Section 4-3.1.