Are flammable cabinets required to have mechanical ventilation?
A. OSHA does not normally require the use of mechanical ventilation. The NFPA recommends that cabinets not be mechanically ventilated, but if they are, they should be ventilated in accordance to NFPA 91 Exhaust Systems for Air Conveying of Materials. Here are a few other safety guidelines that you should remember when working with or storing these liquids. Store and handle them in APPROVED containers and NEVER allow any source of ignition such as: • Sparks from electrical tools and equipment. • Sparks, arcs and hot metal surfaces from welding and cutting. • Tobacco smoking. • Open flames from portable torches and heating units, boilers, pilot lights, ovens and driers. • Hot surfaces such as boilers, furnaces, steam pipes, electric lamps, hot plates, irons, hot ducts and flues, electric coils and hot bearings. • Embers and sparks from incinerators, foundry cupolas, fireboxes and furnaces. • Sparks from grinding and crushing operations. • Sparks caused by static electricity from rotating
