Storage Of Flammable And Combustible Liquids

The flashpoint and boiling point determine the category of a flammable liquid.

Storage of flammable and combustible liquids. A maximum of 180 gallons of flammable and combustible liquids with a flash point of 140 f can be stored in a fire area room with one hour fire rated walls and self closing 20 minute fire rated door. To understand the osha requirements for the safe storage of flammables we must first define flammable. 1926 152 a 2 flammable liquids shall not be stored in areas used for exits stairways or normally used for the safe passage of people. The storage use and the like of flammable or combustible liquids in fuel tanks containers or reservoirs that are integral components of motor vehicles.

The farm use or storage of motor fuels or any substance that facilitates the production of crops livestock and livestock products. The minimum separation between a liquefied petroleum gas container and a flammable liquid storage tank shall be 20 feet except in the case of flammable liquid tanks operating at pressures exceeding 2 5 p s i g. Flashpoint is the minimum temperature at which a liquid gives off enough vapor to form an ignitable mixture with air near the surface of the liquid. For quantities of one gallon or less the original container may be used for storage use and handling of flammable liquids.

At the state level the safe storage use and transportation of flammable combustible and hazardous liquids and the equipment and facilities used to store transfer and dispense them are regulated by the wisconsin department of agriculture trade and consumer protection datcp under wisconsin administrative code chapter atcp 93. Not more than 10 gallons located outside a flammable storage cabinet. It is recommended that the maximum quantities that may be stored in cabinets and bins are no more than 50 litres for extremely highly flammable and those flammable liquids with a flashpoint below. Flammable and combustible liquids code enforceable under osha and many state and local regulations nfpa 30 provides safeguards to reduce the hazards associated with the storage handling and use of flammable and combustible liquids.

This amount must be stored in the following manner. Or equipped with emergency venting which will permit pressures to exceed 2 5 p s i g. Not more than 25 gallons of flammable or combustible liquids may be stored in a room outside of an approved storage cabinet. Not more than 60 gallons of flammable flashpoint below 140 degrees f or 120 gallons of combustible flashpoint at or above 140 degrees f may be stored in any one storage cabinet.