Ask the expert: Trainer qualifications for fit testing

By: July 23rd, 2009 Email This Post Print This Post

Q: Who would be qualified to do N95 respirator fit testing in our practice?

A:  OSHA does not have a certification requirement for fit test training, only that the person be familiar with one of the two acceptable fit test methods as well as the limitations of the models of respirators being tested:

Fit test trainer requirements, according to OSHA’s Fit Testing Procedures—1910.134 App A:

Quantitative Fit Test (QNFT) Qualitative Fit Test (QLFT)
1. Calibrate equipment. 1. Prepare test solutions.
2. Perform tests properly. 2. Calibrate equipment.
3. Recognize an invalid test. 3. Perform tests properly.
4. Calculate fit factors properly. 4. Recognize an invalid test.
5. Ensure equipment is in working order. 5. Ensure equipment is in working order.

This month’s Medical Environment Update looks at just-in-time fit testing for healthcare facilities.


By Mary Porter on August 13th, 2009 at 9:23 am

Is there a mecical evaluation questionnaire JUST for n95 mask?

By Grace Moyer on September 7th, 2012 at 3:27 pm

Is there an update to OSHA’s requirements for a trainer to conduct fit testing in oil field or hospital settings?

2009 It looks like there is not a certification required.

Does the person have to be a medically qualified or can training be completed by a person who has a medical background to a person who works in a human resource department?

need a tech rep for safety



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