Type of chemical cartridge respirator1 | Maximum use concentration, parts per million |
Ammonia | 300 |
Chlorine | 10 |
Hydrogen chloride | 50 |
Methyl amine | 100 |
Organic vapor | 21,000 |
Sulfur dioxide | 50 |
Vinyl chloride | 10 |
1Not for use against gases or vapors with poor warning properties (except where MSHA or Occupational Safety and Health Administration standards may permit such use for a specific gas or vapor) or those which generate high heats of reaction with sorbent material in the cartridge.
2Maximum use concentrations are lower for organic vapors which produce atmospheres immediately hazardous to life or health at concentrations equal to or lower than this concentration.
42 C.F.R. §84.190