EPA Section 608 Study Questions Pool Reviewed 2026/2027
This file contains ALL of the study questions used in the EPA 608 exam. Tests are usually made up of 25 random questions
from each of the following 4 question pools. Total combined questions: 367
These questions and answers were extracted from QwikProducts (Mainstream Engineering) EPA 608 Certification software.
===
EPA Section 608 Study Questions Pool
Section: CORE
Questions 1-160
1. Refrigeration technicians who violate the Clean Air Act can:
A) lose their EPA certification.
B) be fined.
C) be required to appear in Federal court.
D) all of the above
Answer: D
2. After 1995, any supplies of CFC refrigerant to service existing units in the USA can only come from:
A) recovery and recycling.
B) solvent conversion.
C) European chemical manufacturers.
D) Third World chemical manufacturers.
This isA Just A Preview:
Answer:
Download Full PDF (With All Pages) HERE:
3. Refrigerant that is recovered can be returned to:
https://www.paperstoc.com/downloads/16966/epa-section-608-
A) the same system or other systems owned by the same person without
restriction.
study-questio ns-pool
B) used in any system serviced that day
C) Sold as used refrigerant to other customers.
, Answer: A
4. Refrigerant can not be called "reclaimed" unless it:
A) was processed in a reclaiming machine.
B) has been chemically analyzed and the refrigerant meets the ARI-700 purity standard.
C) is recovered from a system less than 1 year old.
D) is recovered from a system still under warrantee.
Answer: B
5. The EPA can require a technician to demonstrate their ability to perform proper procedures for recovering and/or
recycling refrigerant. Failure to demonstrate competency can result in:
A) revocation of the technician's certification.
B) seizure of the technician's recovery or recycling equipment.
C) seizure of any refrigerant purchased by the technician which is still in his/her possession.
D) mandatory attendance at a refrigerant training camp.
Answer: A
6. What characteristic(s) of CFCs make them more likely to reach the stratosphere than most other compounds containing
chlorine?
A) Refrigerants that contain chlorine but not hydrogen are so stable that they do not break down in the lower atmosphere
after being released. The chlorine or bromine reacts with ozone, causing it to change back to oxygen, thus destroying the
ozone layer.
B) CFCs are lighter than other damaging compounds, making it easier for them to float upward when released.
C) CFCs are attracted to the static in the atmosphere.
D) CFCs are attracted to dust in the atmosphere.
This isA Just A Preview:
Answer:
Download Full PDF (With All Pages) HERE:
7. A system is considered dehydrated when:
https://www.paperstoc.com/downloads/16966/epa-section-608-
A) the vacuum indicator shows you have reached and held the required
finished vacuum.
study-questio ns-pool
B) the vacuum pump has run at least 7 hours.
C) the manifold suction gauge has held a 30 in. hg./760 mm vacuum for 3
hours.
D) you are ready to leave for the day.
This file contains ALL of the study questions used in the EPA 608 exam. Tests are usually made up of 25 random questions
from each of the following 4 question pools. Total combined questions: 367
These questions and answers were extracted from QwikProducts (Mainstream Engineering) EPA 608 Certification software.
===
EPA Section 608 Study Questions Pool
Section: CORE
Questions 1-160
1. Refrigeration technicians who violate the Clean Air Act can:
A) lose their EPA certification.
B) be fined.
C) be required to appear in Federal court.
D) all of the above
Answer: D
2. After 1995, any supplies of CFC refrigerant to service existing units in the USA can only come from:
A) recovery and recycling.
B) solvent conversion.
C) European chemical manufacturers.
D) Third World chemical manufacturers.
This isA Just A Preview:
Answer:
Download Full PDF (With All Pages) HERE:
3. Refrigerant that is recovered can be returned to:
https://www.paperstoc.com/downloads/16966/epa-section-608-
A) the same system or other systems owned by the same person without
restriction.
study-questio ns-pool
B) used in any system serviced that day
C) Sold as used refrigerant to other customers.
, Answer: A
4. Refrigerant can not be called "reclaimed" unless it:
A) was processed in a reclaiming machine.
B) has been chemically analyzed and the refrigerant meets the ARI-700 purity standard.
C) is recovered from a system less than 1 year old.
D) is recovered from a system still under warrantee.
Answer: B
5. The EPA can require a technician to demonstrate their ability to perform proper procedures for recovering and/or
recycling refrigerant. Failure to demonstrate competency can result in:
A) revocation of the technician's certification.
B) seizure of the technician's recovery or recycling equipment.
C) seizure of any refrigerant purchased by the technician which is still in his/her possession.
D) mandatory attendance at a refrigerant training camp.
Answer: A
6. What characteristic(s) of CFCs make them more likely to reach the stratosphere than most other compounds containing
chlorine?
A) Refrigerants that contain chlorine but not hydrogen are so stable that they do not break down in the lower atmosphere
after being released. The chlorine or bromine reacts with ozone, causing it to change back to oxygen, thus destroying the
ozone layer.
B) CFCs are lighter than other damaging compounds, making it easier for them to float upward when released.
C) CFCs are attracted to the static in the atmosphere.
D) CFCs are attracted to dust in the atmosphere.
This isA Just A Preview:
Answer:
Download Full PDF (With All Pages) HERE:
7. A system is considered dehydrated when:
https://www.paperstoc.com/downloads/16966/epa-section-608-
A) the vacuum indicator shows you have reached and held the required
finished vacuum.
study-questio ns-pool
B) the vacuum pump has run at least 7 hours.
C) the manifold suction gauge has held a 30 in. hg./760 mm vacuum for 3
hours.
D) you are ready to leave for the day.
