Table L-1
Type of extinguishers | Test interval (years) |
Soda acid (soldered brass shells) (until 1/1/82) | (1) |
Soda acid (stainless steel shell) | 5 |
Cartridge operated water and/or antifreeze | 5 |
Stored pressure water and/or antifreeze | 5 |
Wetting agent | 5 |
Foam (soldered brass shells) (until 1/1/82) | (1) |
Foam (stainless steel shell) | 5 |
Aqueous Film Forming foam (AFFF) | 5 |
Loaded stream | 5 |
Dry chemical with stainless steel | 5 |
Carbon dioxide | 5 |
Dry chemical, stored pressure, with mild steel, brazed brass or aluminum shells | 12 |
Dry chemical, cartridge or cylinder operated, with mild steel shells | 12 |
Halon 1211 | 12 |
Halon 1301 | 12 |
Dry powder, cartridge or cylinder operated with mild steel shells | 12 |
1 Extinguishers having shells constructed of copper or brass joined by soft solder or rivets shall not be hydrostatically tested and shall be removed from service by January 1, 1982. (Not permitted)
29 C.F.R. §1910.157