42 Public Health 1 2004-10-01 2004-10-01 false Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES OCCUPATIONAL SAFETY AND HEALTH RESEARCH AND RELATED ACTIVITIES APPROVAL OF RESPIRATORY PROTECTIVE DEVICES Chemical Cartridge Respirators Bench tests; gas and vapor tests; minimum requirements; general. Pt. 84, Subpt. L, Tables Tables to Subpart L of Part 84 Tables 9-10 [Reserved] Table 11—Cartridge Bench Tests and Requirements [42 CFR part 84, subpart L] Cartridge Test condition Test atmosphere Gas or vapor Concentration (p.p.m.) Flowrate (l.p.m.) Number of tests Penetration 1 (p.p.m.) Minimum life 2 (min.) 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.