Respirator Types
It's important to know that lead workers should not use filtering facepieces (single- or double-strap dust masks) while performing work that exposes the worker to asbestos or lead. Lead workers should choose from one of the following four types of respirators:
- Half-face respirators can be used for protection against most vapors, acid gases, dust or welding fumes. Cartridges/filters must match contaminant(s) and be changed periodically.
- Full-face respirators are more protective than half-face respirators. They can also be used for protection against most vapors, acid gases, dust or welding fumes. The face-shield protects face and eyes from irritants and contaminants. Cartridges/filters must match contaminant(s) and be changed periodically.
- Loose-fitting powered-air-purifying respirators (PAPR) offer breathing comfort from a battery-powered fan which pulls air through filters and circulates air throughout helmet/hood. They can be worn by most workers who have beards. Cartridges/filters must match contaminant(s) and be changed periodically.
- A Self-Contained Breathing Apparatus (SCBA) is used for entry and escape from atmospheres that are considered immediately dangerous to life and health (IDLH) or oxygen deficient. They use their own air tank.
Half-face
Full-face
PAPR
SCBA
If exposure monitoring or experience indicates airborne exposures to contaminants other than lead such as silica, solvents, or polyurethane coatings, these exposures must be considered when selecting respiratory protection.
For more information see OSHA's 1910.134, Respiratory Protection Standard.
Knowledge Check Choose the best answer for the question.
3-5. Workers exposed to lead dust should not use _____.
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