N95 Respirator Mask Fit Test Program

Get Respirator Mask Fit Tested that meets OHSA Regulations

Session Overview

As many organizations prepare to re-open their operations, we are hearing from many customers about their growing requirement for the N95 mask, repository protection, to keep their employees and clients safe.  With N95 masks being used at work, mask fitting is required.  If your require cost-effective mask fitting,  SOS First Aid offers respirator N95/KN95 mask fit test services at your offices.

We offer respirator mask fit test services at your offices (Toronto-West, Mississauga, Brampton, Milton, Oakville, Burlington, Hamilton, Stoney Creek, and St Catherines)

Our N95 Mask Fit Testing program offers Qualitative Respirator Fit Testing (QLFT) based on OHSA regulations.  This PPE program meets the requirement for respirator fit testing based on the current Canadian CSA-Z94 standard (use and care of respirators).  In addition to N95 mask, we also fit test other masks such as approved KN95 and P100 half face masks.

Why is Fit Testing Required…besides the safety aspect:  If an N95 mask is used at a place of work, it MUST follow OHSA regulations CAN/CSA Z94.4-18 standard and all wearers MUST be fit tested.  It is also regulated that an N95 mask only to be used with one patient.  It must be discarded between patients.  Only if this mask is used at home or for personal use, fit testing is not required.

Our 3M certified respiratory specialists have mask fitted tens of thousands participants in south western Ontario.


Please note that participants will be required to bring your own approved masks for our sessions.

Should you have difficulty in locating masks, we may be able to direct you to suppliers that are currently shipping product. Respirator Mask Fit Certification is specific to the make and model of the N95 mask.

For a list of the CDC NIOSH-Approved N95 Particulate Filtering Facepiece Respirators click here.

What is NIOSH?

NIOSH stands for the National Institute for Occupational Safety and Health. It is responsible for conducting research and making recommendations for the prevention of work-related injury and illness.

What are CAN/CSA Standards?

  • Keeps all Canadian workers who are subject to respiratory hazards safe.
  • Sets out the requirements for the selection, use and care of respirators as well as the administration of effective respiratory protection programs in the workplace.
  • Reviewed and updated every 5 years.
  • Based on and testing requirements are developed by NIOSH. Any special criteria specific to firefighting applications is based National Fire Protection Association (NFPA) standard.

NOTE: Participants with heart conditions, anxiety, asthma, and respiratory conditions may not be able to be properly fit tested. While at work, participants are often required to wear their mask for long periods of time. These conditions could also affect the fit test.  Please inform your SOS First Aid respiratory specialist if any of the participants have the above listed conditions and we will do our best to accommodate them.

Session Details and Participant Expectations
  • Employers requiring employees to protect themselves from hazardous airborne particulate need respirator mask fit testing with an appropriate N95 mask every two years. Mask Fit is part of the companies Respiratory Protection Program.
  • Necessary paperwork, discuss and/or perform inspection, limitations, proper donning, seal check, doffing and disposal, certification.
  • N95 masks filter out 95% of airborne particulate from .3 microns to 5 microns in size.

Location:  Client Location (coverage from Mississauga to St Catherines)

Participants: Minimum of 6 participants per session.  No maximum for daily sessions.

Duration: Approx. 30 min sessions (groups of 6).

Fee:  $40.00/person (plus HST)  ** Does not include mask

Certification: 2-year certification



If you would like to book a group respirator mask fitting session please Contact Us.