Best of 2025: Top 3 Videos of the Year

One of our goals this year waste to create entertaining, engaging videos that help industry professionals navigate complex environmental, hazardous materials, and workplace safety regulations. Thank you to everyone who visited our YouTube page this year, shared these videos with colleagues on social media, or checked out a video here on Lion.com.

Watch the most viewed videos of 2026 below and subscribe to Lion's YouTube channel for more!

Hazmat Packing Groups Explained

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.

4 Hazardous Waste Characteristics Under RCRA

Uncover key details about the FOUR hazardous waste characteristics defined by the US EPA under the Resource Conservation and Recovery Act (RCRA). Together with several lists of regulated chemicals and waste streams (F-list, K-list, P-and U-list), these four characteristics are what make hazardous waste "hazardous."

RCRA Solid Waste Identification Explained

Find out how the RCRA hazardous waste regulations define "solid waste" and why the definition of solid waste is essential if you want to properly identify HAZARDOUS waste regulated by Federal and State environmental agencies.

2026 Training Schedule Available Now:
Hazmat and RCRA Workshops & Webinars

Lion's 2025 schedules of workshops and webinars for hazardous waste professionals and shippers of hazmat/DG are available now! Find out when Lion's hazmat/DG and RCRA training will be in your area next—or find a webinar that fits your schedule.

Lion.com/Workshop
Lion.com/Webinar