GAS Check® is an inspection program developed by the National Propane Gas Association (NPGA) and the Propane Education & Research Council (PERC), and funded by the propane industry that provides guidelines to technicians on how to perform two different types of residential safety inspections:
The Certified Employee Training Program (CETP) developed by NPGA and funded by PERC is a training program used extensively throughout the country by people involved in the handling of propane, equipment, and appliances.