Chemical Cabinet Ventilation Requirements

The australian standard that sets out the ventilation requirements for corrosive storage cabinets is as3780 2008 the storage and handling of corrosive substances.

Chemical cabinet ventilation requirements.

Doors shall be well fitted self closing and equipped with a latching device. Traditionally nonindustrial ventilation systems commonly known as heating ventilating and air conditioning hvac systems were built to control temperature humidity and odors. The msds must be readily available when needed. Venting a chemical storage cabinet is not necessary for fire protection.

Industrial ventilation generally involves the use of supply and exhaust ventilation to control emissions exposures and chemical hazards in the workplace. A compliant ventilation system for corrosive storage cabinets must comply with requirements outlined in as3780 2008. Joints shall be riveted or welded and shall be tight fitting. Before venting a cabinet to lower vapor levels consider the following options.

While cabinet manufacturers may provide the bungs for ventilation purposes venting flammable liquid storage cabinets is not required or even recommended by any federal regulatory agency. Place cabinets in a cool dry location out of direct sunlight and away from any possible heat or ignition source. Each chemical you store must have an accompanying msds that lists the substance s known toxicity flammability or acidic or caustic properties as well as how the chemical behaves in fire an accidental exposure incident and how spills are treated. The australian standards outline different ventilation requirements for each dangerous goods classification.

The bottom of the cabinet shall be liquid tight to a height of at least two inches. Section 6 2 4 of this standard states. Osha has three basic legal requirements for storing chemicals. 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.

Division 5 1 oxidising agent storage cabinets. The cabinet including the door shall be double walled with 1 inch air space between the walls. Ventilation requirements according to as3780 2008. Chemical storage cabinets whether used for flammables corrosives or pesticides poisons come with capped bung openings that allow for ventilation.

The indoor chemical storage cabinets that require ventilation include. Division 5 2 organic peroxide storage cabinets. Class 4 1 flammable solids storage cabinets. Steel piping is recommended for ventilation ducting of a cabinet containing flammable chemicals.