Regulatory Guides

Authoritative guides for radioactive material shipping regulations.

DOT Training Requirements for Shipping Radioactive Materials

Your first step before shipping any radioactive material. Complete guide to 49 CFR 172 Subpart H training requirements.

TrainingJanuary 3, 2025

What is Radioactive Material per DOT? The Definition Explained

Learn the DOT definition of radioactive material under 49 CFR 173.403. Understand specific activity thresholds, exempt concentrations, and when materials require Class 7 shipping.

DefinitionsJanuary 24, 2025