Section 608 Certification Exam
Section 608 of the Federal Clean Air Act requires persons who work with or purchase regulated refrigerants for stationary equipment to become certified through a closed book exam. This examination is a total of 100 questions, broken down into four sections: Core, Type‐I, Type‐II and Type‐III. The certification types are defined as follows:
Type‐I: Required for servicing small appliances
Type‐II: Required for servicing or disposing of high‐pressure appliances, except small appliances and MVACs
Type‐III: Required for servicing or disposing of low‐pressure appliances
Universal: Earned when a candidate successfully passes all four sections of the exam.
Candidates must pass the Core secon along with one or more of the Types to earn a certification.
Materials Allowed: A calculator (four‐function preferred,) a pressure/temperature chart and scratch paper.
Time to Complete Exam: 2 hours
Passing Score for Each Section: 70% or better.