EPA 608 Certification Exam with Detailed Correct
Answers 2025
QUESTION>What is Temperature Glide? - CORRECT ANSWER~When the temperature of the vaporizing
refrigerant changes, even though the pressure remains the same.
QUESTION>What are the two basic types of recovery devices? - CORRECT ANSWER~Self-Contained and
System-Dependent.
QUESTION>System-Dependent devices may only be used on appliances containing how much
refrigerant? - CORRECT ANSWER~15 Lbs of refrigerant or less
QUESTION>What MUST be placed on a refrigerant cylinder being returned for reclaiming. - CORRECT
ANSWER~A refrigerant label.
QUESTION >What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant
recovery? - CORRECT ANSWER~November 14, 1994
QUESTION>Section 608 of the Federal Clean Air Act requires technicians to what? - CORRECT
ANSWER~Recover all refrigerants.
QUESTION>The objective of the Clean Air Act is to protect what? - CORRECT ANSWER~The earth's
stratosphere.
QUESTION>HFC's - CORRECT ANSWER~HydroFlouroCarbon's
QUESTION>CFC's - CORRECT ANSWER~ChloroFluoroCarbon's
QUESTION>ODP - CORRECT ANSWER~Ozone Depletion Potential
, QUESTION>Which international treaty agreement was the basis for Section 608? - CORRECT
ANSWER~The Montreal Protocol.
QUESTION>Depletion of the ozone in the stratosphere is know to cause what 6 things? - CORRECT
ANSWER~1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
QUESTION>What happens when CFC or HCFC molecules get in the stratosphere & free atoms of
Chlorine are set free? - CORRECT 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 chloride.
QUESTION>What date was recovery equipment required to be certified by a lab, & achieve higher
evacuation levels, & have low loss fittings? - CORRECT ANSWER~November 15, 1993
QUESTION>On what date was technician certification required? - CORRECT ANSWER~November 14,
1994
QUESTION>What date was CFC's phased out of production? - CORRECT ANSWER~December 31, 1995
QUESTION>What is EPA 608 Type I certification? - CORRECT ANSWER~Persons who maintain, service,
repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less).
QUESTION>What is EPA 608 Type II certification? - CORRECT ANSWER~Persons who maintain, service,
repair, or dispose of high and very high pressure appliances. Except small appliances and motor vehicle
air conditioning systems.
Answers 2025
QUESTION>What is Temperature Glide? - CORRECT ANSWER~When the temperature of the vaporizing
refrigerant changes, even though the pressure remains the same.
QUESTION>What are the two basic types of recovery devices? - CORRECT ANSWER~Self-Contained and
System-Dependent.
QUESTION>System-Dependent devices may only be used on appliances containing how much
refrigerant? - CORRECT ANSWER~15 Lbs of refrigerant or less
QUESTION>What MUST be placed on a refrigerant cylinder being returned for reclaiming. - CORRECT
ANSWER~A refrigerant label.
QUESTION >What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant
recovery? - CORRECT ANSWER~November 14, 1994
QUESTION>Section 608 of the Federal Clean Air Act requires technicians to what? - CORRECT
ANSWER~Recover all refrigerants.
QUESTION>The objective of the Clean Air Act is to protect what? - CORRECT ANSWER~The earth's
stratosphere.
QUESTION>HFC's - CORRECT ANSWER~HydroFlouroCarbon's
QUESTION>CFC's - CORRECT ANSWER~ChloroFluoroCarbon's
QUESTION>ODP - CORRECT ANSWER~Ozone Depletion Potential
, QUESTION>Which international treaty agreement was the basis for Section 608? - CORRECT
ANSWER~The Montreal Protocol.
QUESTION>Depletion of the ozone in the stratosphere is know to cause what 6 things? - CORRECT
ANSWER~1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
QUESTION>What happens when CFC or HCFC molecules get in the stratosphere & free atoms of
Chlorine are set free? - CORRECT 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 chloride.
QUESTION>What date was recovery equipment required to be certified by a lab, & achieve higher
evacuation levels, & have low loss fittings? - CORRECT ANSWER~November 15, 1993
QUESTION>On what date was technician certification required? - CORRECT ANSWER~November 14,
1994
QUESTION>What date was CFC's phased out of production? - CORRECT ANSWER~December 31, 1995
QUESTION>What is EPA 608 Type I certification? - CORRECT ANSWER~Persons who maintain, service,
repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less).
QUESTION>What is EPA 608 Type II certification? - CORRECT ANSWER~Persons who maintain, service,
repair, or dispose of high and very high pressure appliances. Except small appliances and motor vehicle
air conditioning systems.