Federal Regulations. Department of Transportation (DOT) enforce the Code of Federal Regulations Title 49 172.00 which mandates all persons who handle transport or are likely to be affected" by the hazards of high pressure cylinders must receive "function specific" training to the HAZMAT within 90 days of employment and retraining every 3 years afterward. DOT regulates the transport and handling of high-pressure cylinders.
1. PSI Hazmat Training for Cylinder Safety