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Authorized Gas Tester & Atmospheric Monitoring

Authorized Gas Tester & Atmospheric Monitoring

This critical safety program trains personnel to become competent Authorized Gas Testers (AGT), a vital role for ensuring safety in hazardous environments. The course focuses on the principles and practices of testing for flammable and toxic gases, as well as oxygen deficiency and enrichment.

As a cornerstone of the Permit-to-Work (PTW) system, the AGT's function is crucial for preventing fires, explosions, and exposure to toxic substances in high-risk areas like confined spaces. The training combines in-depth theory with extensive hands-on practice using multi-gas detectors.

Target Audience

This course is essential for anyone required to perform atmospheric testing as part of their job, including:

  • Safety Officers and site supervisors.

  • Permit Issuers and approvers.

  • Maintenance Technicians and industrial workers.

  • Members of Confined Space Entry and rescue teams.

Key Skills and Course Content

The curriculum covers the theory of hazardous gases, the equipment used to detect them, and the procedures for safe work. Participants will learn to:

  • Understand Gas Hazards: Recognize the dangers of flammable, toxic, and asphyxiant atmospheres.

  • Use Gas Detection Equipment: Correctly select, set up, and perform pre-use checks on gas detectors.

  • Conduct and Interpret Tests: Perform accurate atmospheric tests and understand safe working limits, including LEL (Lower Explosive Limit), UEL (Upper Explosive Limit), and TLVs (Threshold Limit Values).

  • Integrate with Safety Systems: Confidently complete the gas testing section of a Permit-to-Work and ensure compliance with workplace standards.

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Assessment and Certification

Assessment includes a written examination on hazardous atmospheres and a rigorous practical test where participants must demonstrate competence in using gas detection equipment in simulated scenarios.

Upon successful completion, participants receive a Certificate of Competence as an Authorized Gas Tester, validating their skills to perform this life-saving safety function.


Responsible General Information
Last Update 09/06/2025
Completion Time 1 hour 5 minutes
Members 2