EPA 608 Study Guide 2026 — All 4 Sections Core to Universal
The EPA 608 exam covers 4 sections: Core, Type I, Type II, and Type III. This free preview shows you the key concepts and sample questions for each. The full study guide includes complete notes and 500+ practice questions.
Section 1: Core
Exam Weight
25%
Key Concepts to Study
- •Clean Air Act Section 608 regulations
- •Ozone depletion and the Montreal Protocol
- •Refrigerant recovery, recycling, and reclamation rules
- •Safety, shipping, and handling procedures
Sample Question
"What is the primary purpose of the Clean Air Act Section 608?"
Answer:To regulate the use and disposal of ozone-depleting substances and their substitutes
Section 2: Type I
Exam Weight
25%
Key Concepts to Study
- •Small appliances containing 5 lbs or less of refrigerant
- •Recovery equipment requirements
- •System-dependent vs self-contained recovery
Sample Question
"Which of the following is considered a small appliance under EPA regulations?"
Answer:A domestic refrigerator with a hermetically sealed compressor
Section 3: Type II
Exam Weight
25%
Key Concepts to Study
- •High-pressure and very high-pressure appliances
- •Leak detection and repair requirements
- •Evacuation levels and deep vacuums
Sample Question
"When is a major repair performed on a Type II appliance?"
Answer:When replacing the compressor, condenser, evaporator, or an auxiliary heat exchanger
Section 4: Type III
Exam Weight
25%
Key Concepts to Study
- •Low-pressure appliances (e.g., centrifugal chillers)
- •Leak testing at low pressures
- •Purge unit operation
Sample Question
"What is the typical operating pressure of a Type III low-pressure chiller?"
Answer:Below atmospheric pressure (in a vacuum)
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