Air Purifying Respirators (APR) Awareness & Qualitative Fit Testing for 1/2 or Full-Face Respirators Fit Testing


Fit Testing done with Smoke, Sweet or Bitter solution

Validity of certifications

  • Air Purifying Respirators (APR) Awareness certification is valid for 3 years
  • Fit Testing certification valid for:
  • 2 years in AB and SK
  • 1 year in BC


  • Clean shaven

Class Size

  • Minimum 3, Maximum 24

Course Duration

  • 3-4 hours, depending on number of students

Fit Testing with Smoke, Sweet, or Bitter Solution


Content of the APR Awareness course

  • Atmospheric hazards awareness
  • Occupational exposure limits (OEL)
  • Limitation of ½ face and full-face respirators
  • Difference between filters and cartridges
  • How to choose proper filter or cartridge to the environment and task
  • Proper seal
  • How to properly put it on and take it off
  • When to replace cartridges or filters


This course includes an instructor led presentation, practical exercises, class discussion, written knowledge test and hands-on inspection and cleaning proc

This course can be provided at our training location or at your site.  Oil Sands & Construction Training & Safety will bring all required presentation and testing equipment to the site


Hands-on respirators training

  • Review of respirators and functions
  • Disassembling, assembling and proper cleaning procedures
  • Proper inspections
  • How to clean them properly
  • Maintenance and storage
  • When to replace cartridge or filter


Respirators carried by OSCTS for fit testing:

  • 3M 7500 series, small, medium or large
  • 3M 6200 series, small, medium or large
  • North 7700-30 series, small, medium or large
  • If students need to be fit tested into different types of respirators, they need to bring respirators with them, or they need to be supplied by employer to the training center for fit testing, they can be picked up afterwards

Students can bring their own respirators and be fit tested into them