This is only the textbook and does not include the USB.

This 2019 version of the program provides information about the properties and characteristics of propane, the different types of DOT cylinders requiring periodic requalification, and in depth procedures for requalifying DOT cylinders using the external visual inspection method.

The 2021 version, a newer version of the program, is available via download.

Sign in to add this item to your cart.

Forgot your password?

Don't have an account? Sign Up