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Each time user enters contaminated area seal should be fit checked.
Cover front of respirator by cupping both hands.
INHALE SHARPLY.
A negative pressure should be felt inside respirator.
If any leakage is detected at respirator edges, adjust straps by pulling back along the sides and/or reposition respirator. Repeat until sealed properly, otherwise see your supervisor. Entry into a contaminated area with an improper fit may result in sickness or death.
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