Tag: powder control hood

Controlling dust generated during internal fire extinguisher maintenance

The Occupational Safety & Health Administration (OSHA) recommends annual external maintenance checks of all portable fire extinguishers. In addition, OSHA has set internal maintenance requirements based on type of extinguisher. See below chart: Type of Extinguisher Test Interval (years) Soda acid (soldered brass shells) (until 1/1/82) (1) Soda acid (stainless steel shell) 5 Cartridge operated… Read more »