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Performance Evaluation of DM and DFM Filter Respirators—WORKING DRAFT 9.15.92
Table C—ANSI Z88.2–1980 and OSHA 1984 Assigned Protection Factors.
Type of Respirator | Permitted for Use in Oxygen-Deficient Atmosphere | Permitted for Use in Immediately-Dangerous-to-Life-or-Health Atmospheref | Respirator Protection Factor | |
Qualitative Test | Quantitative Test | |||
Particulate-filter, quarter-mask or half-mask facepieceb,c | No | No | 10 | As measured on each person with a maximum of 100 |
Vapor- or gas-removing quarter-mask or half-mask facepiecec | No | No | 10, or maximum use limit of cartridge or canister for vapor or gas, whichever is less. | As measured on each person with maximum of 100, or minimum use limit of cartridge or canister for vapor or gasi,j, whichever is less. |
Combination particulate-filter and vapor- or gas-removing, quarter-mask or half-mask facepieceb, c | No | No | 10, or maximum use limit of cartridge or canister for vapor or gas, whichever is less. | As measured on each person with maximum of 100, or minimum use limit of cartridge or canister for vapor or gasi,j, whichever is less. |
Particulate-filter, full facepieceb | No | No | 100 | As measured on each person with maximum of 100 if dust, fume, or mist filter is used, or maximum of 1000 if high-efficiency filter is used. |
Vapor or gas-removing, full facepiece | No | No | 100, or maximum use limit of cartridge or canister for vapor or gas, whichever is less. | As measured on each person with a maximum of 1000, or maximum use limt of cartridge or canister for vapor or gasi,j, whichever is less. |
Combination particulate-filter and vapor- or gas-removing, full facepieceb | No | No | 100, or maximum use limit of cartirdge or canister for vapor or gas, whichever is less. | As measured on each person with maximum of 100 if dust, fume, or mist filter is used and maximum of 1000 if high-efficiency filter is used, or maximum use limit of cartridge or canister for vapor or gasi,j, whichever is less. |
Powered particulate-filter, any respiratory-inlet coveringb,c,d | No | No (yes, if escape provisions are providedd) | N/A | N/A |
No tests are required due to positive-pressure operation of respirator. The maximum protection factor is 100 if dust, fume, or mist filter is used and 3000 if high-efficiency filter is used. | ||||
Powered vapor- or gas-removing, any respiratory-inlet coveringc,d | No | No (yes, if escape provisions are providedd) | N/A | N/A |
No tests are required due to positive pressure operation of respirator. The maximum protection factor is 3000, or maximum use limit of cartridge or canister for vapor or gasi,j, whichever is less. | ||||
Powered combination particulate-filter and vapor- or gas-removing, any respiratory-inlet coveringb,c,d | No | No (yes, if escape provisions are providedd) | N/A | N/A |
No tests are required due to positive pressure operation of respirator. The maximum protection factor is 100 if dust, fume, or mist filter is used and 3000 if high-efficiency filter is used, or maximum use limit of cartridge or cansiter for vapor or gasi,j, whichever is less.|} |