Due to Docket HM-181, the hazard classification system that has been a standard for many years is seeing significant changes. Tape #2 in the Docket HM-181 Video Training Series, takes the viewer to The Hazardous Materials School. A school full of happy little hazardous materials all looking for their proper place in the new classification system. This video will show the viewer the new hazard classes and where many of the materials are now located.