Mask Fit Testing
Protect yourself—and meet placement requirements—with certified N95 Mask Fit Testing.
BENEFITS
Why You Need It
Mask Fit Testing is a mandatory component of your Clinical Preparedness Permit (CPP) or Field Placement Clearance. It ensures your N95 mask fits properly to protect against airborne hazards in clinical settings.
Important Reminders:
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Do not eat, drink (except water), chew gum, or smoke 30 minutes before your appointment
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Be clean-shaven if you have facial hair
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Tie long hair in a bun or ponytail
ABOUT
What Is Mask Fit Testing?
Mask Fit Testing helps identify the correct N95 respirator that forms a proper seal on your face—ensuring maximum protection during placement.
It follows health guidelines from:
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Ministry of Health
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Health Canada
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CDC
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World Health Organization
PROCESS
What to Expect During Your Appointment
1
Health & Consent Review
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A Registered Nurse or RPN will review your medical questionnaire
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You’ll complete and sign a Mask Fit Consent Form (Download PDF)
2
Sensitivity Check
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You’ll wear a breathable hood
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A bitter aerosol (Bitrex) is sprayed inside
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You confirm when you taste the solution
3
Mask Fitting & Test Movements
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You’ll be fitted with an N95 mask
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The hood goes back on; movements (e.g., turning, talking) are tested
If no bitter taste was detected, your mask fits.
If bitter taste was detected, another mask will be tested until fit is achieved.
4
Certification
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You’ll receive a wallet-sized Mask Fit Certification Card
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Valid for 2 years