2. If the respirator is not fitted with an exhalation valve exhale sharply. A positive pressure
should be felt inside the respirator.
3. If the respirator is fitted with an exhalation valve, inhale sharply. A negative pressure should
be felt inside the respirator.
4. If you detect air leaking in readjust the respirator by:
a. applying additional pressure on the nose clip to assure a secure seal on the nose;
b. adjusting the position of the respirator on your face; and/or
c. adjusting the position of the head straps.
WARNING
If you cannot achieve satisfactory fit, do NOT enter the contaminated area. See your Supervisor.
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