How to Identify DOT Propane Tanks
- 1). Locate the label on the propane tank.
- 2). Read the label to ascertain if it is a DOT-approved propane tank. DOT propane tanks have the following information on the label:
DOT (May be followed by numbers and letters, for example, DOT-39)
NRC
Service Pressure
Test Pressure
Service Number (M****)
Lot Number
Date of Manufacture
They will also include a warning that tanks may not be transported after they have been refilled. - 3). Check the tank cylinder material. DOT tanks are made of steel or aluminum.
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