Dangerous Goods Regulatory Resources

ADR 2023


49 CFR Hazardous Materials Regulations
DOT Chart 17


Transport Canada – Transport of Dangerous Goods Regulations (TDGR)

UN Model Regulations (Rev. 22)
Volume 1
Volume 2

Globally Harmonized System of Classification and Labelling of Chemicals (GHS, Rev. 9, 2021)

UN Manual of Tests and Criteria (rev. 7)

USPS Publication 52 – Hazardous, Restricted, and Perishable (PUB 52)

UK Department for Transport

PHMSA Interpretations

PHMSA oCFR Search Engine

PHMSA Interpretations - Browser Search

PHMSA Special Permits & Approvals