OVERVIEW
The purpose of this unit is to give trainees a general understanding of respirator fit factors and methods for performing basic respirator testing. At the conclusion of this unit, trainees will understand how to select a respirator of the proper size, and how to perform fit checks and testing to ensure that the respirator will protect the user from airborne contaminants.
OBJECTIVES
Fittings
· Explain how proper respirator fit is determined, and identify factors that may prevent s respirator from properly fitting an individual.
Disposable Respirators
· Describe how to ensure a proper fit with a disposable filter mask respirator.
Fit Checks
· Describe basic procedures for performing exhalation and inhalation fit checks.
Testing
· Describe basic procedures for performing qualitative testing.
· Describe basic procedures for performing quantitative testing.
SUBJECTS
Fittings
· Proper Fit
· Fitting Factors
Disposable Respirators
· Types of Disposable Respirators
· Selecting the Proper Size
· Ensuring the Proper Fit
Fit Checks
· Checking General Condition
· Positive Pressure Check
· Negative Pressure Check
Testing
· Qualitative Testing Quantitative Testing