EPA 609
EPA 609 Exam Questions and Answers 2026
Lifetime of CFCs is believed to range from _____ years?
2 to 100
For determining the Ozone Depletion Potential ________ having been assigned a
factor of 1?
CFC-11
Ester-based synthetic oils can be mixed with other oils?
False
Since ________, it is no longer legal for CFCs to be manufactured or imported into
the United States?
January 1, 1996
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants?
November 15, 1995
Ozone at ground level ans at Stratosphere is a harmful pollutant?
False
A refillable refrigerant cylinder must not be filled above ______ of its full
capacity?
80%
Each chlorine ion can able to destroy ______ ozone mole?
100,000
R-134a is a chlorine-free refrigerant?
True
MVAC systems being disposed must be evacuated to _____ of mercury before
being scrapped?
EPA 609
, EPA 609
4 inches
Ozone layer absorbs and scatters ________ from the sun?
Ultraviolet light
An award of up to ______ may be paid to a person supplying information that
leads to a penalty against a technician who is intentionally venting?
10,000
Every refrigerant cylinder need not be protected by some type of pressure relief
device?
False
Ozone molecule consists of ______ atoms of oxygen?
Three
CFCs are highly reactive in _____ of atmosphere?
Lower level
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that
found in buses, also requires Section ______ certification?
608
Stratosphere layer consists of about _____ of the available Ozone?
90%
Moisture level in Recycled R-12 (CFC-12) that has been directly removed from,
and intended to be returned to, a mobile air-conditioning system cannot exceed
_______ PPM by weight?
15
Ozone depletion Increase global warming?
True
Non-condensables in a refrigeration system result in a _______ discharge pressure?
Higher
EPA 609
EPA 609 Exam Questions and Answers 2026
Lifetime of CFCs is believed to range from _____ years?
2 to 100
For determining the Ozone Depletion Potential ________ having been assigned a
factor of 1?
CFC-11
Ester-based synthetic oils can be mixed with other oils?
False
Since ________, it is no longer legal for CFCs to be manufactured or imported into
the United States?
January 1, 1996
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants?
November 15, 1995
Ozone at ground level ans at Stratosphere is a harmful pollutant?
False
A refillable refrigerant cylinder must not be filled above ______ of its full
capacity?
80%
Each chlorine ion can able to destroy ______ ozone mole?
100,000
R-134a is a chlorine-free refrigerant?
True
MVAC systems being disposed must be evacuated to _____ of mercury before
being scrapped?
EPA 609
, EPA 609
4 inches
Ozone layer absorbs and scatters ________ from the sun?
Ultraviolet light
An award of up to ______ may be paid to a person supplying information that
leads to a penalty against a technician who is intentionally venting?
10,000
Every refrigerant cylinder need not be protected by some type of pressure relief
device?
False
Ozone molecule consists of ______ atoms of oxygen?
Three
CFCs are highly reactive in _____ of atmosphere?
Lower level
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that
found in buses, also requires Section ______ certification?
608
Stratosphere layer consists of about _____ of the available Ozone?
90%
Moisture level in Recycled R-12 (CFC-12) that has been directly removed from,
and intended to be returned to, a mobile air-conditioning system cannot exceed
_______ PPM by weight?
15
Ozone depletion Increase global warming?
True
Non-condensables in a refrigeration system result in a _______ discharge pressure?
Higher
EPA 609
