EPA 609 Technician Certification
2026 Exam Questions and
Correct Answers | New Update
1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant -
🧠ANSWER ✔✔FALSE
2. For determining the Ozone Depletion Potential __________ having been
assigned a factor of 1 - 🧠ANSWER ✔✔CFC-11
,3. Ozone layer absorbs and scatters __________ form the sun -
🧠ANSWER ✔✔Ultraviolet light
4. T/F R-134 is a chlorine-free refrigerant - 🧠ANSWER ✔✔TRUE
5. a refillable refrigerant cylinder must not be filled above _________ of its
full capacity - 🧠ANSWER ✔✔80%
6. T/F Ester-based synthetic oils can be mixed with oils - 🧠ANSWER
✔✔FALSE
7. An award of up to ___________ may be paid to a person suppplying
information that leads to a penalty against a technician who is intentially
venting - 🧠ANSWER ✔✔$10,000
8. MVAC systems being disposed must be evacuated to _____________ of
mercury before being scrapped - 🧠ANSWER ✔✔4 INCHES
9. Since _______________ it is no longer legal for CFCs to be
manufactured or imported into the United States - 🧠ANSWER ✔✔JAN 1ST,
1996
10. Since ___________________ it is illegal to vent substitutes for CFC
and HCFC refrigerants - 🧠ANSWER ✔✔NOV 15, 1995
, 11. Each chlorine ion are able to destroy ___________________ ozone
molecules - 🧠ANSWER ✔✔100,000
12. Lifetime of CFSs is believed to range from ________ years -
🧠ANSWER ✔✔20 TO 100
13. Ozone molecules consists of _______________ atoms of oxygen -
🧠ANSWER ✔✔THREE
14.Non-condensables in a refrigeration system result in a
________________ discharge pressure - 🧠ANSWER ✔✔higher
15. T/F Ozone depletion increases global warming - 🧠ANSWER ✔✔TRUE
16. T/F If a technician is already trained and certified to handle HFC-134a -
🧠ANSWER ✔✔FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to establish
requirements - 🧠ANSWER ✔✔1990
18. Over the road refrigeration units and R-22 (HCFC) air conditioning -
🧠ANSWER ✔✔such as that found in buses, also require Section
____________ certification, 608
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2026 Exam Questions and
Correct Answers | New Update
1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant -
🧠ANSWER ✔✔FALSE
2. For determining the Ozone Depletion Potential __________ having been
assigned a factor of 1 - 🧠ANSWER ✔✔CFC-11
,3. Ozone layer absorbs and scatters __________ form the sun -
🧠ANSWER ✔✔Ultraviolet light
4. T/F R-134 is a chlorine-free refrigerant - 🧠ANSWER ✔✔TRUE
5. a refillable refrigerant cylinder must not be filled above _________ of its
full capacity - 🧠ANSWER ✔✔80%
6. T/F Ester-based synthetic oils can be mixed with oils - 🧠ANSWER
✔✔FALSE
7. An award of up to ___________ may be paid to a person suppplying
information that leads to a penalty against a technician who is intentially
venting - 🧠ANSWER ✔✔$10,000
8. MVAC systems being disposed must be evacuated to _____________ of
mercury before being scrapped - 🧠ANSWER ✔✔4 INCHES
9. Since _______________ it is no longer legal for CFCs to be
manufactured or imported into the United States - 🧠ANSWER ✔✔JAN 1ST,
1996
10. Since ___________________ it is illegal to vent substitutes for CFC
and HCFC refrigerants - 🧠ANSWER ✔✔NOV 15, 1995
, 11. Each chlorine ion are able to destroy ___________________ ozone
molecules - 🧠ANSWER ✔✔100,000
12. Lifetime of CFSs is believed to range from ________ years -
🧠ANSWER ✔✔20 TO 100
13. Ozone molecules consists of _______________ atoms of oxygen -
🧠ANSWER ✔✔THREE
14.Non-condensables in a refrigeration system result in a
________________ discharge pressure - 🧠ANSWER ✔✔higher
15. T/F Ozone depletion increases global warming - 🧠ANSWER ✔✔TRUE
16. T/F If a technician is already trained and certified to handle HFC-134a -
🧠ANSWER ✔✔FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to establish
requirements - 🧠ANSWER ✔✔1990
18. Over the road refrigeration units and R-22 (HCFC) air conditioning -
🧠ANSWER ✔✔such as that found in buses, also require Section
____________ certification, 608
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
