Chemical Cabinet Ventilation Requirements

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.

Chemical cabinet ventilation requirements. The bottom of the cabinet shall be liquid tight to a height of at least two inches. Ventilation requirements according to as3780 2008. 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. If excessive levels of chemical vapors are building up in the cabinet it doesn t necessarily mean the cabinet must be vented.

The australian standards outline different ventilation requirements for each dangerous goods classification. The australian standard that sets out the ventilation requirements for corrosive storage cabinets is as3780 2008 the storage and handling of corrosive substances. The cabinet including the door shall be double walled with 1 inch air space between the walls. Steel piping is recommended for ventilation ducting of a cabinet containing flammable chemicals.

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. A compliant ventilation system for corrosive storage cabinets must comply with requirements outlined in as3780 2008. Venting a chemical storage cabinet is not necessary for fire protection.

Class 4 1 flammable solids storage cabinets. Industrial ventilation generally involves the use of supply and exhaust ventilation to control emissions exposures and chemical hazards in the workplace. Doors shall be well fitted self closing and equipped with a latching device. Division 5 1 oxidising agent storage cabinets.

Ventilation ducting of a flammables cabinet should provide at least the same level of fire protection as the cabinet walls and be resistant to vapours fumes or dust in the cabinet. The msds must be readily available when needed. The indoor chemical storage cabinets that require ventilation include. Traditionally nonindustrial ventilation systems commonly known as heating ventilating and air conditioning hvac systems were built to control temperature humidity and odors.

And a written training plan with information on training sessions and dates for all employees working with these chemicals is also. Joints shall be riveted or welded and shall be tight fitting. Division 5 2 organic peroxide storage cabinets. Section 6 2 4 of this standard states.