OSHA RESPIRATORY PROTECTION PROGRAM
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| Three Kinds of Atmosphere-Supplying Respirators |
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Air-Supplied
Respirators | Combination Respirators | Self-Contained Breathing Apparatus |
| use of a hose to deliver clean, safe air from a stationary source of compressed air
| clean air for long periods of time and are light weight for the user
| the range of user-mobility and may fail due to hose damage
| called airline respirators
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| an auxiliary self-contained air supply that can be used if the primary supply fails
| self-contained portion can be small since it only needs to supply enough air for escape
| be used for entry into confined spaces
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| of a wearable, clean-air supply pack
| not restrict movement with a hose connection
| closed-circuit type can provide air up to 4 hours
| open-circuit type only provide air for 30 - 60 minutes
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| normally used when there are extended work periods required in atmospheres that are not immediately dangerous to life and health (IDLH)
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| normally used when there are extended work periods required in atmospheres that are or may be immediately dangerous to life and health (IDLH)
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| normally used when there is a short-time need to enter and escape from atmospheres which are or may be immediately dangerous to life and health (IDLH)
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| Employers are required to provide employees using atmosphere-supplying respirators (supplied air and self contained breathing apparatus) with breathing gases of high purity, and shall ensure that compressed air, compressed oxygen, liquid air, and liquid oxygen used for respiration is in accordance with the specifications of OSHA Standard 1910.134(i).
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If you need help developing a respiratory protection program, call EHSO at 770-645-0788!