EPA SECTION 609 COMPREHENSIVE EXAM
QUESTIONS AND SOLUTIONS STUDY GUIDE
●● Ozone layer absorbs and scatters ________ from the sun
Answer: ultraviolet light
●● For determining the Ozone Depletion Potential ________ having
been assigned a factor of 1
Answer: CFC-11
●● A refillable refrigerant cylinder must not be filled above ______ of
its full capacity.
Answer: 80%
●● Ozone at ground level and at Stratosphere is a harmful pollutant
Answer: False
●● Each chlorine ion can able to destroy ______ ozone molecules
Answer: 100,000
●● Lifetime of CFCs is believed to range from _____ years
Answer: 20-100
,●● 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.
Answer: $10,000
●● Ester-based synthetic oils can be mixed with other oils
Answer: False
●● Since _____, it is illegal to vent substitutes for CFC and HCFC
refrigerants
Answer: Nov 15, 1995
●● MVAC systems being disposed must be evacuated to _____ of
mercury before being scrapped
Answer: 4 inches
●● Since ________, it is no longer legal for CFCs to be manufactured or
imported into the United States
Answer: Jan 1, 1996
●● The Clean Air Act (CAA) of ______ directs EPA to establish
requirements to prevent the release of ozone depleting substances.
Answer: 1990
, ●● At high temperatures, CFC-12 can decompose to form _______
Answer: hydrochloric and hydrofluoric acid
●● Ozone molecule consists of ______ atoms of oxygen
Answer: three
●● CFCs are highly reactive in _____ of atmosphere
Answer: lower
●● Non-condensables in a refrigeration system result in a _______
discharge pressure
Answer: higher
●● 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.
Answer: 15
●● Over the road refrigeration units and R-22 (HCFC) air conditioning,
such as that found in buses, also requires Section ______ certification
Answer: 608
QUESTIONS AND SOLUTIONS STUDY GUIDE
●● Ozone layer absorbs and scatters ________ from the sun
Answer: ultraviolet light
●● For determining the Ozone Depletion Potential ________ having
been assigned a factor of 1
Answer: CFC-11
●● A refillable refrigerant cylinder must not be filled above ______ of
its full capacity.
Answer: 80%
●● Ozone at ground level and at Stratosphere is a harmful pollutant
Answer: False
●● Each chlorine ion can able to destroy ______ ozone molecules
Answer: 100,000
●● Lifetime of CFCs is believed to range from _____ years
Answer: 20-100
,●● 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.
Answer: $10,000
●● Ester-based synthetic oils can be mixed with other oils
Answer: False
●● Since _____, it is illegal to vent substitutes for CFC and HCFC
refrigerants
Answer: Nov 15, 1995
●● MVAC systems being disposed must be evacuated to _____ of
mercury before being scrapped
Answer: 4 inches
●● Since ________, it is no longer legal for CFCs to be manufactured or
imported into the United States
Answer: Jan 1, 1996
●● The Clean Air Act (CAA) of ______ directs EPA to establish
requirements to prevent the release of ozone depleting substances.
Answer: 1990
, ●● At high temperatures, CFC-12 can decompose to form _______
Answer: hydrochloric and hydrofluoric acid
●● Ozone molecule consists of ______ atoms of oxygen
Answer: three
●● CFCs are highly reactive in _____ of atmosphere
Answer: lower
●● Non-condensables in a refrigeration system result in a _______
discharge pressure
Answer: higher
●● 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.
Answer: 15
●● Over the road refrigeration units and R-22 (HCFC) air conditioning,
such as that found in buses, also requires Section ______ certification
Answer: 608
