CPR Respiratory & PPE Programs 3

Question 1

What is the assigned protection factor (APF) for a half-face air-purifying respirator according to OSHA 29 CFR 1910.134?

Accepted Answer

10

Answer

OSHA assigns an APF of 10 to half-face air-purifying respirators, meaning they can be used when contaminant concentrations are up to 10 times the permissible exposure limit.

Question 2

In restoration work, which chemical hazard makes organic vapor cartridges necessary in addition to P100 particulate filters?

Accepted Answer

Volatile organic compounds (VOCs) from cleaning agents or smoke damage

Answer

VOCs from smoke-damaged materials, solvents, or cleaning chemicals require organic vapor cartridges because P100 filters alone do not capture gaseous contaminants.

Question 3

How often must respirator cartridges be replaced when no end-of-service-life indicator (ESLI) is present?

Accepted Answer

Based on a change schedule derived from objective information and data

Answer

OSHA requires employers to establish a change schedule based on objective data such as cartridge manufacturer guidelines, air monitoring results, and use duration when no ESLI is available.

Question 4

Which glove material offers the best protection against chlorine bleach solutions commonly used in mold remediation?

Accepted Answer

Nitrile

Answer

Nitrile gloves provide excellent chemical resistance to bleach and other caustic cleaning agents used in mold and biohazard remediation, outperforming latex and vinyl.

Question 5

A positive pressure user seal check is performed by:

Accepted Answer

Exhaling gently and checking that no air escapes from the facepiece seal

Answer

A positive pressure user seal check involves exhaling gently while blocking the exhalation valve; air should not leak from the facepiece seal if the fit is adequate.

(CPR) Certified Professional Restorer Practice Test

(CPR) Certified Professional Restorer Practice Test

CPR Respiratory & PPE Programs 3