Who Should Take This Course?

Our online DOT HAZMAT Training: Function Specific – Hazard Classes and Divisions course is designed for Hazmat employees involved with hazardous materials transportation, such as shipment, manufacture, or carrying. This course will teach students about the 9 hazard classes and their divisions in the Hazardous Materials Table (HMT). The training will help students identify hazards and learn how materials in each class are handled, packaged, stored and transported. This course meets the requirements for 49 CFR 172.704(a)(2)(i).

If you took our DOT HAZMAT Training: Basic General Awareness (4 Hours) course, this function-specific class will provide expanded training regarding placarding. If you took our DOT HAZMAT Training: General Awareness/Function Specific (10 Hours) course, this course’s contents were included.

For information on DOT HAZMAT training requirements or the DOT HAZMAT courses we offer, visit our DOT HAZMAT Training page.

Fully Narrated, Online Training

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Listen  |  Watch  |  Read  |  Interact

Course Outline

This DOT HAZMAT online course consists of 12 sections, which students will complete through our Online Training System (OTS). The course includes knowledge checks throughout the course to help ensure students retain important concepts.

Module 1
1Course Overview
Class 1: Explosives | Explosive Types | Division 1.1 Mass Explosion Hazard | Division 1.2 Projectile Hazard | Division 1.3 Minor Blast / Projectile / Fire | Division 1.4 Minor Blast | Division 1.5 Insensitive Explosives | Division 1.6 Extremely Insensitive Explosives.
3Compressed Gases
Class 2: Compressed Gases & Types | Flammable Range | Division 2.1 Flammable Gases | Division 2.2 Non-flammable, Non-poisonous Gases.
4Flammable and Combustible Liquids
Class 3: Flammable and Combustible Liquids | Flash Point | Fire Point | Reclassifying Flammable as Combustible Liquids | Packing Groups | Class 3 Exceptions. 
5Flammable Solids
Class 4: Flammable Solids | Division 4.1 Flammable Solids | Wetted Class 1 Explosives | Division 4.2 Spontaneously Combustible Solids | Pyrophoric and Self-Heating | Division 4.3 Dangerous When Wet.
6Oxidizers and Organic Peroxides
Class 5: Oxidizers and Organic Peroxides | Division 5.1 Oxidizers | Oxidizer Fire Hazards | Additional Oxidizer Hazards | Organic Peroxide Hazards. 
7Toxic Materials
Class 6 : Toxic Materials | Division 6.1: Poisonous / Toxic Materials | LD50 and LC50 | Lab Testing | Biotoxins | Division 6.2: Infectious Substances | Cultures and Regulated Medical Waste | Patient Specimens | Biological Products.
8Radioactive Materials
What are Radioactive Materials? |  What is Radiation? | Common Sources of Radiation | Released vs. Absorbed | Safe Dosages | Effects of Radiation | Radiation Hazards | Transporting Radioactive Materials | Class 7: Radioactive Materials | Contaminated Materials.
9Corrosive Materials
Class 8: Corrosive Materials | Corrosive Material Uses | Hazards. 
10Miscellaneous Hazardous Materials
Class 9: Miscellaneous Hazardous Materials | Elevated Temperature | Hazardous Substances | Hazardous Waste | Hazardous Waste Lists | Characteristic, Universal, and Mixed Hazardous Wastes | LLMW, HLW, and MTRU | Marine Pollutants. 
11Other Regulated Materials
Other Regulated Materials | ORM-A, ORM-B, ORM-C, ORM-D, ORM-E | Forbidden Materials. 
Course Exam

Course Exam

  • This course includes a 10 question final exam. Questions are randomly compiled from a large pool of possible questions.
  • A score of 70% or higher is needed to pass the final exam. If a student doesn’t pass, the exam may be retaken as may times as needed in order to pass.

Course Format

This course is is provided 100% online and available 24/7 through our Online Training System (OTS). The training material is fully narrated and self-paced.

This DOT HAZMAT hazard classification and divisions course was designed by Certified Outreach Trainers to include interactive, high quality training which emphasizes the information you need to know for your safety and learning. With this course, you can stop and start the training at your convenience, and save your progress to the last section completed. We also provide a downloadable/printable student manual as a training resource for taking notes and for future reference. Students may take up to 6 months, if desired, to complete the course after enrollment. We offer a 100% Money Back Guarantee* to ensure you are satisfied with the training.

Once the course is completed, you will immediately be able to download, save or print your Course Completion Certificate which is provided in PDF format. We also mail you a PVC credit card style Wallet ID Card with optional photo, showing training course completion. The card will be mailed within 24 hours of course completion.


This DOT HAZMAT class was designed by Certified Outreach Trainers and meets the requirements for 49 CFR 172.704(a)(2)(i).

DOT HAZMAT Certification

Once the course is completed, you will immediately be able to download, save or print your Course Completion Certificate which is provided in PDF format. We also mail you a PVC credit card style Wallet ID Card with optional photo, showing training course completion. The card will be mailed within 24 hours of course completion.

Course Objectives

The objective of this DOT HAZMAT Hazard Classes and Divisions course is to meet the Federal Department of Transportation (DOT) training requirements for 49 CFR 172.704(a)(2)(i).

Per 49 CFR 172.704(a)(2)(i):

Function-specific Training. (i) Each hazmat employee must be provided function-specific training concerning the requirements of this subchapter, or exemptions or special permits issued under subchapter A of this chapter, that are specifically applicable to the functions the employee performs.

Learning Objectives

After completing this course, the student should be able to:

  • Understand hazardous materials hazard classes and divisions;
  • Understand the types of hazards in the divisions;
  • Have knowledge of Other Regulated Materials (ORM);
  • Describe forbidden materials for transport.

Additional Training

HAZMAT employers are required to train new HAZMAT employees within 90 days of employment or assuming new HAZMAT related job responsibilities. Direct supervision is required of the employee performing a hazardous material function until training is complete. DOT requirements specify HAZMAT employees need to be retrained and tested at least once every three years. FAA requirements specify under 14 CFR that air carrier employees be retrained every two years.

Please note that this this HAZMAT DOT Hazards and Divisions course is not meant to replace company-specific or function-specific training provided by your employer on equipment use and procedures for your particular work environment. You must be trained by your employer on the hazards, equipment, engineering and administrative controls, safe work practices and emergency plans specific to your role and workplace. Employers need to evaluate employee needs for additional DOT hazardous material training and training in the use of personal protective equipment used on the job.

In ALL situations, employers are required to ensure their employees are adequately trained to do their job.

The HazMat Student Advantage

Student Advantages