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EPA 608 Certification Exam – HVAC Refrigerant Handling & Clean Air Act Compliance –||2025/2026|| Complete Practice with All Questions and Correct Answers

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This document contains a comprehensive set of EPA 608 Certification exam questions and answers, covering the federal requirements for handling refrigerants under Section 608 of the Clean Air Act. The material addresses all core certification areas, including ozone depletion theory, refrigerant classifications (CFCs, HCFCs, HFCs), recovery, recycling, reclaiming procedures, leak detection and repair requirements, safety standards, and environmental impact of refrigerants. It includes detailed coverage of Type I, Type II, Type III, and Universal certification topics, such as appliance classifications, evacuation requirements, recovery equipment standards, cylinder handling, oils and lubricants, leak rate thresholds, and regulatory dates. This resource is ideal for HVAC/R technicians preparing for the EPA 608 exam, certification testing, refresher training, and compliance review for professional practice.

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EPA 608 CERTIFICATION
1. What date was the sale of CFC's & HCFC's restricted to technicians certified in

refrigerant recovery?

Answer November 14, 1994


2. Section 608 of the Federal Clean Air Act requires technicians to what?

Answer Recover all refrigerants.


3. The objective of the Clean Air Act is to protect what?

Answer The earth's stratosphere.


4. HFC's

Answer HydroFlouroCarbon's


5. CFC's

Answer ChloroFluoroCarbon's


6. ODP

Answer Ozone Depletion Potential
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,7. Which international treaty agreement was the basis for Section 608?

Answer The Montreal Protocol.


8. Depletion of the ozone in the stratosphere is know to cause what 6 things?


Answer -


1. Crop losses


2. Increases in eye diseases


3. Skin Cancer


4. Reduced marine life


5. Deforestation


6. Increased ground level ozone


9. What happens when CFC or HCFC molecules get in the stratosphere & free


atoms of Chlorine are set free?

Answer These atoms attack Ozone Molecules causing the formation of Chlorine Monoxide (CLO), after

colliding with another Ozone Molecule, causes 2 Oxygen (O2) molecules to be made & leaving an atom of chlorine to

act as "Free Agent" starting the process over until 100,000 molecules of Ozone are destroyed by just one atom of
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, chloride.

10. What date was recovery equipment required to be certified by a lab, &


achieve higher evacuation levels, & have low loss fittings?

Answer November 15, 1993


11. On what date was technician certification required?

Answer November 14, 1994


12. What date was CFC's phased out of production?

Answer December 31, 1995


13. What is EPA 608 Type I certification?

Answer Persons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of

refrigerant (or less).

14. What is EPA 608 Type II certification?

Answer Persons who maintain, service, repair, or dispose of high and very high pressure appliances.

Except small appliances and motor vehicle air conditioning systems.

15. What is EPA 608 Type III certification?
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