Contains hundreds of up-to-date (2018, 2019, 2020) practice questions to help you review for the EPA 608 Core, Type I, Type II, and Type III tests. Has both a practice mode and a test mode with review to see what youve missed. Core Section: - Ozone depletion - Clean Air Act and the Montreal Protocol - Section 608 regulations - Substitute refrigerants and oils - Refrigeration - Three Rs - Recovery techniques - Dehydration evacuation - Safety - Shipping Type I Section: - Recovery requirements - Recovery techniques - Substitute refrigerants and oils - General service and maintenance - Recovery techniques - General safety - Refrigerant cylinders - Refrigerant cylinder shipping Type II Section: - Leak detection and repair - Refrigeration - Recovery requirements - Recovery techniques - Refrigeration process - General safety Type III Section: - Leak detection and repair - Recovery techniques - Recharging techniques - Recovery requirements - Refrigeration - Refrigeration process - General safety - Recovery techniques – identifying refrigerants - Leak detection and repair - Recovery requirements