Does the proposed respirator use include any of the following? (check all that apply)

Firefighting
Emergency situations
Oxygen deficient atmospheres (those which have an oxygen content equal to or less than 19.5% at sea level, or are above 14,000 feet). If you are working in a normal atmosphere you can assume an oxygen level of 21%. However, if you are working in an area with poor ventilation, or in a confined space, you will need to measure the oxygen level.

The normal atmosphere at altitudes above 14,000 feet is considered oxygen deficient. The standard requires workers above this altitude to have an oxygen enriched atmosphere.
Welding in confined spaces
Abrasive blasting
The exposure concentration of the contaminant(s) is less than or equal to the Permissible Exposure Limit (PEL) or other applicable exposure limit?

Is the respirator intended only for escape purposes?    Yes   No

Are conditions such that a worker who is required to wear a respirator cannot escape from the work area without suffering loss of life or immediate or delayed irreversible health effects if the respirator fails (i.e., are the conditions immediately dangerous to life and health (IDLH))?
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Page current as of: 05/24/2010