Respiratory Protection Flashcards
7 cards from real OSHA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Respiratory Protection flashcards as text
How should respirators be stored when not in use?
Answer: In a clean, dry location away from contamination, heat, extreme cold, and direct sunlight
Proper storage protects respirators from contamination, degradation, and physical damage, ensuring they remain effective when needed.
What action should an employee take if their respirator is damaged during use?
Answer: Leave the hazardous atmosphere immediately and replace the respirator before re-entry
A damaged respirator may no longer provide adequate protection, requiring immediate exit from the hazardous area and replacement before returning.
What is the minimum acceptable oxygen concentration in an atmosphere where air-purifying respirators may be used?
Answer: 19.5%
OSHA defines an oxygen-deficient atmosphere as one with less than 19.5% oxygen, below which air-purifying respirators are prohibited and supplied-air devices are required.
Which of the following is a true statement about voluntary respirator use under OSHA's standard?
Answer: Employers must still provide Appendix D information to voluntary users and ensure the respirator itself does not create a hazard
Even for voluntary use, employers must provide Appendix D of 29 CFR 1910.134 to employees and ensure that the respirator itself does not pose a health risk.
What does the 'N95' designation on a filtering facepiece respirator indicate?
Answer: It is not resistant to oil and filters at least 95% of airborne particles
N95 means the respirator is Not resistant to oil and filters at least 95% of airborne particles when properly fitted, as tested under NIOSH standards.
When using atmosphere-supplying respirators in IDLH atmospheres, OSHA requires that a standby rescuer must be located:
Answer: Outside the IDLH atmosphere and equipped to provide rescue
OSHA mandates that at least one trained standby person equipped for rescue must be stationed outside the IDLH atmosphere whenever workers enter it.
What is the primary purpose of OSHA's change schedule requirement for respirator cartridges?
Answer: To prevent exposure to hazardous chemicals due to cartridge breakthrough before service life ends
A change schedule ensures cartridges are replaced before contaminants break through and reach the wearer's breathing zone, maintaining continuous protection.