Mask Fit Testing – CSA-Compliant N95 Testing
Get certified in just 15 minutes!
Forest City First Aid offers qualitative mask fit testing using both sweet and bitter solution methods to ensure accurate results for all clients. Located at 1490 Richmond Street in London, Ontario, we’re just minutes from Western University and University Hospital.
Our testing follows CSA Z94.4 standards and is valid for 2 years. It’s ideal for:
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Nursing, Dental Hygiene, PSW, and other health sciences students
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Healthcare professionals
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Construction and industrial workers
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Anyone starting a placement or new job that requires N95 respirator certification

What's Included?
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Certified qualitative mask fit testing using sweet or bitter solution (we determine the best method during sensitivity screening)
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Access to the most commonly required mask models:
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3M 1860 (regular) & 1860S (small)
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3M 1870+
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3M 8210
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3M 8110S
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Option to bring your own mask or purchase one from us for $10
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Physical certificate upon completion

Pricing?
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$40 per person
- ​Group discounts available — we can come to your location for groups of 6 or more
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Option to bring your own mask or purchase one from us for $10

Why Choose Us?
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Both sweet and bitter solution methods offered for maximum accuracy
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Close to Western campus & University Hospital
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Flexible weekly scheduling
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Professional, friendly, and CSA-compliant service
15 min
40 Canadian dollars