Mask Fit Testing
Mask Fit Testing
Proper fit testing is required under CSA Z94.4 and Ontario Regulation 833 to ensure workers are protected when using tight-fitting respirators.
We provide certified Mask Fit Testing for:
- N95 Respirators (e.g., 3M 8210, 1860, etc.)
- Half-Face Respirators (cartridge-based)
- Full-Face Respirators
- Ammonia/Organic Vapour Respirators

Services Include:
- Quantitative or qualitative fit testing
- Individual and group appointments
- On-site testing for workplaces
- Test documentation & wallet card provided
- Fit testing valid for 2 years (or as required by policy)
Delivery Options
- Online, In-Class, or On-Site
- Ministry-compliant materials and certificate of completion
We offer on-site training at either your location or our facility, scheduled at a time that best suits your needs. For a formal quote, please contact us at 647-564-6824 or via email at info@phascorp.com