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.

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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.

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