Video: Hazmat Packing Groups Explained

Posted on 8/11/2025 by Lion Technology Inc.

Some hazardous materials are more hazardous than others. Most of the nine hazard classes and divisions use Packing Groups (PG) to distinguish severity of hazard.

This video addresses the classes and divisions that use PG "groupings" - PG I, PG II, and PG III - to identify levels of danger within the same class or division.

Hazmat Ground Shipper Training

Learn all the DOT’s rules for classifying, packaging, marking, labeling, and documenting your hazmat shipments in full compliance with the Hazardous Materials Regulations at Lion’s Hazmat Ground Shipper Certification (DOT) Workshop.

Or browse all Lion’s hazmat shipper training at Lion.com/Hazmat.

Find a Post

Search for:

Compliance Topics

Compliance Archives

Lion is my preferred trainer for hazmat and DOT.

Jim Jani

Environmental Coordinator

I think LION does an excellent job of any training they do. Materials provided are very useful to my day-to-day work activities.

Pamela Embody

EHS Specialist

Best instructor ever! I was going to take my DOT training w/a different provider, but based on this presentation, I will also be doing my DOT training w/Lion!

Donna Moot

Hazardous Waste Professional

I was recently offered an opportunity to take my training through another company, but I politely declined. I only attend Lion Technology workshops.

Stephanie Gilliam

Material Production/Logistics Manager

The instructor was very patient and engaging - willing to answer and help explain subject matter.

Misty Filipp

Material Control Superintendent

The instructor clearly enjoys his job and transmits that enthusiasm. He made a dry subject very interesting and fun.

Teresa Arellanes

EHS Manager

If I need thorough training or updating, I always use Lion. Lion is always the best in both instruction and materials.

Bryce Parker

EHS Manager

The course was very informative and presented in a way that was easily understood and remembered. I would recommend this course.

Jeffrey Tierno

Hazmat Shipping Professional

I like the consistency of Lion workshops. The materials are well put together and instructors are top notch!

Kevin Pylka

Permitting, Compliance & Environmental Manager

The instructor created a great learning environment.

Avinash Thummadi

CAD & Environmental Manager

Download Our Latest Whitepaper

Use this guide as a quick reference to the most common HAZWOPER questions, and get course recommendations for managers and personnel who are in need of OSHA-required HAZWOPER training.

Download

By submitting your phone number, you agree to receive recurring marketing and training text messages. Consent to receive text messages is not required for any purchases. Text STOP at any time to cancel. Message and data rates may apply. View our Terms & Conditions and Privacy Policy.