American Society★Occupational Safety & Health
[email protected] Verify a certificate Portal login
Verify Join ASOSH
Course catalogue · 2026

Find the course that keeps your people safe.

101 instructor-led courses in 14 disciplines. Every certificate is verifiable online.

101Courses
14Disciplines
21,771Certified
Popular: First aid Fire H2S Confined space Heights Scaffold Forklift HACCP
Most requested Ranked by certificates issued
No. 1 Working at Heights & Rope Access Working At Heights ,Fall Protection & Rescue 3,190 certified4h No. 2 Confined Space Entry & Rescue Confined Spaces Entry & Rescue – Level 3 2,531 certified4h No. 3 First Aid & Life Support Basic First Aid, Basic Life Support 2,198 certified4h

6 courses

Sort
Gas Testing, H2S & Respiratory Protection
  1. Gas Testing, H2S & Respiratory Protection Course 070

    Advanced Hydrogen Sulphide (H2S) Alive Training Program

    Gas safety training covering toxic-gas awareness, atmospheric testing, PPE, and emergency response.

    4h 125 Details
  2. Gas Testing, H2S & Respiratory Protection Course 034

    Authorized Gas Tester (AGT) - Level 1

    Gas safety training covering toxic-gas awareness, atmospheric testing, PPE, and emergency response.

    4h 1,411 Details
  3. Gas Testing, H2S & Respiratory Protection Course 005

    Authorized Gas Tester (AGT) - Level 2

    Gas safety training covering toxic-gas awareness, atmospheric testing, PPE, and emergency response.

    4h 536 Details
  4. Gas Testing, H2S & Respiratory Protection Course 004

    Basic H2S Alive

    Gas safety training covering toxic-gas awareness, atmospheric testing, PPE, and emergency response.

    4h 1,539 Details
  5. Gas Testing, H2S & Respiratory Protection Course 007

    Breathing Apparatus (SCBA & Eeba)

    Breathing-apparatus training covering inspection, correct use, and emergency readiness.

    4h 101 Details
  6. Gas Testing, H2S & Respiratory Protection Course 069

    Self Contained/Escape Emergency Breathing Apparatus Training

    Breathing-apparatus training covering inspection, correct use, and emergency readiness.

    4h 26 Details

Your experience on this site will be improved by allowing cookies.