Progress of our online training courses
Autonomous and at your own pace
Each participant in our trainings can follow the training at their own pace, i.e. that he can, at any time before completing it, review the educational capsules as long as he has to, and leave the training platform and pick up where he left off.
Formation failed
In the event of a first failure of the training, each participant is entitled to follow it again; following a 2nd failure, he must be re-registered for training.
Participant allocation
When purchasing a participation in our training courses, you will obtain access codes for the training courses.
In the case of a "User" account, access will be automatically assigned to your account.
For a "Company" account, you will have to assign the codes manually in the management menu provided for this purpose.
Combustible Dust and Explosive Atmospheres (ATEX)
Description of the training
ATEX Training Based on NFPA Standards
This course provides an in-depth overview of the risks associated with combustible dust in explosive atmospheres, based on standards such as NFPA 652, NFPA 654, and other related references. It is designed for workers, supervisors, and safety personnel operating in environments where combustible dust may be present. The training emphasizes the identification of explosive atmospheres, understanding dust explosion mechanisms, implementing preventive and protective measures, and preparing effective emergency response plans.
What You'll Learn
- How combustible dust forms explosive atmospheres and the hazards involved.
- How to prevent ignition sources and reduce explosion risks.
- How to implement fire and explosion protection systems.
- Understanding the legal framework (NFPA standards and national regulations).
- How to develop and follow emergency response and maintenance programs.
Learning Objectives
By the end of this course, participants will be able to:
- Identify what constitutes an explosive atmosphere and combustible dust.
- Understand the fire triangle and explosion hexagon and their implications.
- Recognize the roles of confinement, dust accumulation, and ignition sources.
- Apply preventive strategies like dust management, bonding, and grounding.
- Select appropriate explosion protection and isolation systems.
- Develop and implement effective emergency response and inspection plans.
Training details
The pass mark is 70 %
A participant who successfully completes the training receives a certificate of competence valid for 3 years (automatically generated and sent to the email address associated with the purchase)
Training course plan
Chapter 1 – Explosive Atmospheres
- Definition and Characteristics
- Fire triangle and explosion hexagon
- Lower and upper explosive limits (LEL & UEL)
- Conditions for combustion and explosion
- Case Studies
- Examples of explosive atmospheres in real work settings
Chapter 2 – Combustible Dust
- What Is Combustible Dust?
- Organic (sugar, flour, grain) and inorganic materials (metals)
- Explosion Risks and Real Scenarios
- Primary and secondary explosions
- Impact of equipment design, confinement, and housekeeping
Chapter 3 – Preventing the Creation of an Explosive Atmosphere
- Dust Control and Housekeeping
- Proper dust collection systems
- Vacuuming vs compressed air cleaning
- Material Handling
- Avoiding confinement and accumulation
- Safe design of enclosures, conveyors, and ducts
Chapter 4 – Preventing Ignition Sources
- Ignition Sources and Controls
- Static electricity: causes, effects, and mitigation
- Bonding and grounding of equipment and personnel
- Hot Work Permits
- Precautions and NFPA 61 Section 8.5.2.2 requirements
- Anti-static Equipment and Clothing
- Vacuum selection, cleaning cloths, and conductive gear
Chapter 5 – Fire and Explosion Protection Systems
- Design and Implementation
- Deflagration venting (buildings and equipment)
- Containment systems and inerting methods
- Suppression and Isolation
- Spark extinguishing systems
- Mechanical and chemical isolation
- Use of flame arresters and abort gates
Chapter 6 – Emergency Procedures
- Emergency Response Plan (ERP)
- Alarm systems, evacuation plans, emergency contacts
- Layouts, safety data sheets, and coordination with fire services
- Emergency Shutdown and Fire Suppression
- Equipment with manual and automatic safety triggers
Chapter 7 – Inspection and Maintenance
- Ongoing System Integrity
- Inspection and maintenance of protection systems
- Monitoring ignition sources, process changes, and wear
- Maintenance Team Responsibilities
- Zone classifications, grounding after equipment change
- Documentation and inspection frequencies
Progress of our online training courses
Autonomous and at your own pace
Each participant in our trainings can follow the training at their own pace, i.e. that he can, at any time before completing it, review the educational capsules as long as he has to, and leave the training platform and pick up where he left off.
Formation failed
In the event of a first failure of the training, each participant is entitled to follow it again; following a 2nd failure, he must be re-registered for training.
Participant allocation
When purchasing a participation in our training, the individual in charge of the order can assign it to himself, assign it to one of the employees linked to his account or to an existing account (at using the username or email address linked to it), or request the sending of access codes.