Respirator Basics
The purpose of a respirator is to prevent the inhalation of harmful airborne substances and/or an oxygen-deficient atmosphere.
Types of Respirators
A respirator is designed as an enclosure that covers the nose and mouth or the entire face or head.
Respirators are available in many types, models, and sizes from several manufacturers for a variety of applications. Different types of respirators are designed to provide different levels of protection and to protect against different hazards.
The type of respirator to be used depends on several considerations:
- professional judgment,
- the type of airborne contaminant, its concentration, and potential to cause a health effect in exposed personnel, and
- applicable regulations.
When information regarding the exposure to respiratory hazards is limited, the decision should rely more heavily on professional judgment and more protective respirators may be selected for use.
Each facility's written policies and training programs should specify whom to contact for questions or additional information.
Knowledge Check Choose the best answer for the question.
2-1. When information regarding the exposure is limited, the decision should rely more heavily on _____.
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