Which of the following is true about respirator checks?

Which of the following is true about respirator checks?

• A. Checks are optional if the wearer is healthy
• B. Checks are required only if there is a suspected leak
• C. They are only necessary when using a gas mask
• D. A positive and negative check should be performed every time you wear the respirator

Answer: (D)

Regular respirator use relies on a proper seal and functioning parts, checked every time you wear it. A negative pressure check tests the face seal: with the mask on, you inhale gently so the facepiece slightly pulls inward. If air leaks around the edges, the seal isn't good and you need to readjust. A positive pressure check tests the integrity of the respirator’s seal and exhalation path: you exhale with the inhalation path blocked or the exhale valve covered, and the facepiece should show a gentle outward push without any air leaking around the edges. Doing both checks each time confirms you’re protected and that the respirator is working as designed. These checks apply to all tight-fitting respirators, not just gas masks, and aren’t dependent on whether you feel healthy or whether a leak is suspected.

Regular respirator use relies on a proper seal and functioning parts, checked every time you wear it. A negative pressure check tests the face seal: with the mask on, you inhale gently so the facepiece slightly pulls inward. If air leaks around the edges, the seal isn't good and you need to readjust. A positive pressure check tests the integrity of the respirator’s seal and exhalation path: you exhale with the inhalation path blocked or the exhale valve covered, and the facepiece should show a gentle outward push without any air leaking around the edges. Doing both checks each time confirms you’re protected and that the respirator is working as designed. These checks apply to all tight-fitting respirators, not just gas masks, and aren’t dependent on whether you feel healthy or whether a leak is suspected.