Venting Requirements Chemical Storage Cabinets

Venting a chemical storage cabinet is not necessary for fire protection.

Venting requirements chemical storage cabinets.

If venting is being considered 9 5 4 2 addresses some minimal design requirements. Where ventilation is installed it shall be designed so that vapours are prevented from escaping into any room. We ve outlined guidelines for ventilation in chemical storage units to help promote chemical safety in the workplace. A storage in excess of 25 gallons of flammable liquids or 60 gallons of liquids with a flashpoint greater than 199 4 o f 93 o c formerly designated class iiib combustible liquids shall be within cabinets constructed to the requirements of nfpa 30.

Place chemical storage cabinets in a cool dry location out of direct sunlight and away from any possible heat or ignition source. Venting a chemical storage cabinet is not necessary for fire protection. Cabinets shall be conspicuously labeled in red letters on contrasting background flammable keep fire away. Approved metal storage cabinets will be acceptable.

Section 6 2 4 of this standard states. Before venting cabinets consider the following precautions and options. Wherever people are in an area where the corrosive substances are kept adequate ventilation shall be provided. 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.

The only time a chemical storage cabinet should be ventilated is if the ventilation in the laboratory or chemical stores area is inadequate or if state or local law requires cabinet ventilation. Generally ventilation of chemical storage cabinets should not be required unless it is determined to be an essential risk and safety control measure or the standard requires it. The australian standard that sets out the ventilation requirements for corrosive storage cabinets is as3780 2008 the storage and handling of corrosive substances. Temperature fluctuations in many chemicals can serve to increase vapour emissions.

Section 4 9 5 of this standards states. Cabinet ventilation is not an alternative. General chemical storage guidelines. The only time you may want to ventilate a chemical storage cabinet is if the ventilation in the laboratory or chemical stores area is inadequate or you are required to provide cabinet ventilation because of state or local law.