42 CFR Tables to Subpart L of Part 84
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| Cartridge | Test condition | Test atmosphere | Flowrate (l.p.m.) | Number of tests | Penetration 1 (p.p.m.) | Minimum life 2 (min.) |
|---|---|---|---|---|---|---|
| Gas or vapor | Concentration (p.p.m.) | |||||
| Ammonia | As received | NH3 | 1000 | 64 | 3 | 50 | 50 |
| Ammonia | Equilibrated | NH3 | 1000 | 32 | 4 | 50 | 50 |
| Chlorine | As received | Cl2 | 500 | 64 | 3 | 5 | 35 |
| Chlorine | Equilibrated | Cl2 | 500 | 32 | 4 | 5 | 35 |
| Hydrogen chloride | As received | HCl | 500 | 64 | 3 | 5 | 50 |
| Hydrogen chloride | Equilibrated | HCl | 500 | 32 | 4 | 5 | 50 |
| Methylamine | As received | CH3 NH2 | 1000 | 64 | 3 | 10 | 25 |
| Methylamine | Equilibrated | CH3 NH2 | 1000 | 32 | 4 | 10 | 25 |
| Organic vapors | As received | CCl4 | 1000 | 64 | 3 | 5 | 50 |
| Organic vapors | Equilibrated | CCl4 | 1000 | 32 | 4 | 5 | 50 |
| Sulfur dioxide | As received | SO2 | 500 | 64 | 3 | 5 | 30 |
| Sulfur dioxide | Equilibrated | SO2 | 500 | 32 | 4 | 5 | 30 |
1 Minimum life will be determined at the indicated penetration.
2 Where a respirator is designed for respiratory protection against more than one type of gas or vapor, as for use in ammonia and in chlorine, the minimum life shall be one-half that shown for each type of gas or vapor. Where a respirator is designed for respiratory protection against more than one gas of a type, as for use in chlorine and sulfur dioxide, the stated minimal life shall apply.