EPA 609 TECHNICIAN CERTIFICATION
EXAM QUESTIONS AND ANSWERS 100%
PASS 2026 UPDATE.
1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - ANS FALSE
2. For determining the Ozone Depletion Potential __________ having been assigned a factor of
1 - ANS CFC-11
3. Ozone layer absorbs and scatters __________ form the sun - ANS Ultraviolet light
4. T/F R-134 is a chlorine-free refrigerant - ANS TRUE
5. a refillable refrigerant cylinder must not be filled above _________ of its full capacity -
ANS 80%
6. T/F Ester-based synthetic oils can be mixed with oils - ANS 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 - ANS $10,000
8. MVAC systems being disposed must be evacuated to _____________ of mercury before being
scrapped - ANS 4 INCHES
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, 9. Since _______________ it is no longer legal for CFCs to be manufactured or imported into the
United States - ANS JAN 1ST, 1996
10. Since ___________________ it is illegal to vent substitutes for CFC and HCFC refrigerants -
ANS NOV 15, 1995
11. Each chlorine ion are able to destroy ___________________ ozone molecules -
ANS 100,000
12. Lifetime of CFSs is believed to range from ________ years - ANS 20 TO 100
13. Ozone molecules consists of _______________ atoms of oxygen - ANS THREE
14.Non-condensables in a refrigeration system result in a ________________ discharge
pressure - ANS higher
15. T/F Ozone depletion increases global warming - ANS TRUE
16. T/F If a technician is already trained and certified to handle HFC-134a - ANS FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to establish requirements -
ANS 1990
18. Over the road refrigeration units and R-22 (HCFC) air conditioning - ANS such as that
found in buses, also require Section ____________ certification, 608
19. Moisture level in Recycled R-12(CFC-12) that has been directly removed from - ANS and
intended to be returned to, a mobile air-conditioning system cannot exceed ________________
PPM by weight, 15
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
EXAM QUESTIONS AND ANSWERS 100%
PASS 2026 UPDATE.
1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant - ANS FALSE
2. For determining the Ozone Depletion Potential __________ having been assigned a factor of
1 - ANS CFC-11
3. Ozone layer absorbs and scatters __________ form the sun - ANS Ultraviolet light
4. T/F R-134 is a chlorine-free refrigerant - ANS TRUE
5. a refillable refrigerant cylinder must not be filled above _________ of its full capacity -
ANS 80%
6. T/F Ester-based synthetic oils can be mixed with oils - ANS 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 - ANS $10,000
8. MVAC systems being disposed must be evacuated to _____________ of mercury before being
scrapped - ANS 4 INCHES
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, 9. Since _______________ it is no longer legal for CFCs to be manufactured or imported into the
United States - ANS JAN 1ST, 1996
10. Since ___________________ it is illegal to vent substitutes for CFC and HCFC refrigerants -
ANS NOV 15, 1995
11. Each chlorine ion are able to destroy ___________________ ozone molecules -
ANS 100,000
12. Lifetime of CFSs is believed to range from ________ years - ANS 20 TO 100
13. Ozone molecules consists of _______________ atoms of oxygen - ANS THREE
14.Non-condensables in a refrigeration system result in a ________________ discharge
pressure - ANS higher
15. T/F Ozone depletion increases global warming - ANS TRUE
16. T/F If a technician is already trained and certified to handle HFC-134a - ANS FALSE
17.The Clean Air Act (CAA) of _____________ directs EPA to establish requirements -
ANS 1990
18. Over the road refrigeration units and R-22 (HCFC) air conditioning - ANS such as that
found in buses, also require Section ____________ certification, 608
19. Moisture level in Recycled R-12(CFC-12) that has been directly removed from - ANS and
intended to be returned to, a mobile air-conditioning system cannot exceed ________________
PPM by weight, 15
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
