What is a Wet Test?

Why do I need to submit a Wet Test to be able to load at ONEOK Refined Terminal?

A truck trailer safety equipment and Wet Test certification form is required by ONEOK Refined since there are aspects of fuel trailer safety not covered by the EPAs Method 27. 

This certification validates:

• Overfill protection probes
• All safety equipment on the trailer, such as the
  • automatic brake activation devices
  • emergency valve shutoffs

have been tested and found to be working properly.