The Safety Nation Canada offers quantitative fit testing (QNFT) following (CSA) Z94.4 Selection, Care and Use of Respirators for workers using:
Any person who is required to wear a respirator during the course of their normal workday duties, or any person who is required to wear a respirator for emergency response activities should be fit tested to ensure an effective seal.
People working in the following industries will often need to be fit tested:
Respirator fit test requirements are also for college students of various programs
Students of various programs including trades (welding, carpentry, power engineering) and health-related (nursing, social work, dental hygiene) programs often require this record before placements.
Any worker who needs to wear a respirator requires fit testing prior to using the respirator for the first time. Fit testing is required at least annually as per Provincial and Territorial legislation.