Propane is classified as liquefied petroleum gas and is a dangerous good classified as Class 2.1 UN1075. A TDG label shown below is red and should be placed on the shoulder of the cylinder/tank and be visible from outside the vehicle.
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The transportation of propane cylinders/tanks is regulated by the Government under the Transportation of Dangerous Goods Act.
PERSONS TRANSPORTING PROPANE SHOULD COMPLETE A TDG SAFETY TRAINING COURSE.