EPA 608 CERTIFICATION EXAM 254 QUESTIONS &
CORRECT ANSWERS LATEST 2025
What date was the sale of CFC's & HCFC's restricted to technicians certified in
refrigerant recovery? - ANSWER-November 14, 1994
1989-
Montreal Protocol
July 1 1992-
Violation to vent CFCs or HCFCs
Nov 15 1993-
Recovery/Recycling equipment must be certified and labeled by EPA
AND
Before this date recovery equipment needed to be capable of removing 80% of
the refrigerant, w or wo compressor, or 4 in Hg
After this date recovery equipment needs to be capable of removing 90%, or 80%
without working compressor, or 4 in Hg
AND
Required level of evacuation for Low Pressure appliances before this date was 25
inches Hg, after this date 25 mm Hg
Nov 14 1994-
,Certification needed to service, maintain, or dispose of appliances with
refrigerants AND
Sale of CFC and HCFC refrigerants restricted to certified techs
Nov 15 1995-
Violation to vent HFCs
Dec 31 1995-
CFCs no longer produced - ANSWER-Memorize it, ya'll.
Comfort cooling appliances containing more than 50 lbs of refrigerant must be
repaired when the annual leak rate exceeds _____% - ANSWER-15%
Commercial and Industrial process refrigeration containing ore than 50 lbs of
refrigerant must be repaired when the annual leak rate exceeds _____% -
ANSWER-35%
Required Recovery Levels for Type II appliances, before and after 11/15/93:
HCFC22 less than 200 lbs = B4-0 After-0
HCFC22 more than 200 lbs= B4-4 After-10
NonHCFC22 less than 200 lbs= B4-4 After 10
NonHCFC22 more than 200 lbs= B4 4 After 15
Very high pressure appliances= B4-0 After-0 - ANSWER-0 0
4 10
4 10
,4 15
00
Section 608 of the Federal Clean Air Act requires technicians to what? - ANSWER-
Recover all refrigerants.
The objective of the Clean Air Act is to protect what? - ANSWER-The earth's
stratosphere.
HFC's - ANSWER-HydroFlouroCarbon's
CFC's - ANSWER-ChloroFluoroCarbon's
ODP - ANSWER-Ozone Depletion Potential
Which international treaty agreement was the basis for Section 608? - ANSWER-
The Montreal Protocol.
Depletion of the ozone in the stratosphere is known to cause what 6 things? -
ANSWER-1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
, What happens when CFC or HCFC molecules get in the stratosphere & free atoms
of Chlorine are set free? - ANSWER-These atoms attack Ozone Molecules causing
the formation of Chlorine Monoxide (CLO), after colliding with another Ozone
Molecule, causes 2 Oxygen (O2) molecules to be made & leaving an atom of
chlorine to act as "Free Agent" starting the process over until 100,000 molecules
of Ozone are destroyed by just one atom of chloride.
What date was recovery equipment required to be certified by a lab, & achieve
higher evacuation levels, & have low loss fittings? - ANSWER-November 15, 1993
On what date was technician certification required? - ANSWER-November 14,
1994
What date were CFC's phased out of production? - ANSWER-December 31, 1995
What is EPA 608 Type I certification? - ANSWER-Persons who maintain, service,
repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less).
What is EPA 608 Type II certification? - ANSWER-Persons who maintain, service,
repair, or dispose of high and very high pressure appliances. Except small
appliances and motor vehicle air conditioning systems.
What is EPA 608 Type III certification? - ANSWER-Persons who maintain, service,
repair, or dispose of low pressure appliances.
What is EPA 608 Universal certification? - ANSWER-Persons who maintain,
service, repair, or dispose of both low and high pressure equipment, as well as
appliances.
CORRECT ANSWERS LATEST 2025
What date was the sale of CFC's & HCFC's restricted to technicians certified in
refrigerant recovery? - ANSWER-November 14, 1994
1989-
Montreal Protocol
July 1 1992-
Violation to vent CFCs or HCFCs
Nov 15 1993-
Recovery/Recycling equipment must be certified and labeled by EPA
AND
Before this date recovery equipment needed to be capable of removing 80% of
the refrigerant, w or wo compressor, or 4 in Hg
After this date recovery equipment needs to be capable of removing 90%, or 80%
without working compressor, or 4 in Hg
AND
Required level of evacuation for Low Pressure appliances before this date was 25
inches Hg, after this date 25 mm Hg
Nov 14 1994-
,Certification needed to service, maintain, or dispose of appliances with
refrigerants AND
Sale of CFC and HCFC refrigerants restricted to certified techs
Nov 15 1995-
Violation to vent HFCs
Dec 31 1995-
CFCs no longer produced - ANSWER-Memorize it, ya'll.
Comfort cooling appliances containing more than 50 lbs of refrigerant must be
repaired when the annual leak rate exceeds _____% - ANSWER-15%
Commercial and Industrial process refrigeration containing ore than 50 lbs of
refrigerant must be repaired when the annual leak rate exceeds _____% -
ANSWER-35%
Required Recovery Levels for Type II appliances, before and after 11/15/93:
HCFC22 less than 200 lbs = B4-0 After-0
HCFC22 more than 200 lbs= B4-4 After-10
NonHCFC22 less than 200 lbs= B4-4 After 10
NonHCFC22 more than 200 lbs= B4 4 After 15
Very high pressure appliances= B4-0 After-0 - ANSWER-0 0
4 10
4 10
,4 15
00
Section 608 of the Federal Clean Air Act requires technicians to what? - ANSWER-
Recover all refrigerants.
The objective of the Clean Air Act is to protect what? - ANSWER-The earth's
stratosphere.
HFC's - ANSWER-HydroFlouroCarbon's
CFC's - ANSWER-ChloroFluoroCarbon's
ODP - ANSWER-Ozone Depletion Potential
Which international treaty agreement was the basis for Section 608? - ANSWER-
The Montreal Protocol.
Depletion of the ozone in the stratosphere is known to cause what 6 things? -
ANSWER-1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
, What happens when CFC or HCFC molecules get in the stratosphere & free atoms
of Chlorine are set free? - ANSWER-These atoms attack Ozone Molecules causing
the formation of Chlorine Monoxide (CLO), after colliding with another Ozone
Molecule, causes 2 Oxygen (O2) molecules to be made & leaving an atom of
chlorine to act as "Free Agent" starting the process over until 100,000 molecules
of Ozone are destroyed by just one atom of chloride.
What date was recovery equipment required to be certified by a lab, & achieve
higher evacuation levels, & have low loss fittings? - ANSWER-November 15, 1993
On what date was technician certification required? - ANSWER-November 14,
1994
What date were CFC's phased out of production? - ANSWER-December 31, 1995
What is EPA 608 Type I certification? - ANSWER-Persons who maintain, service,
repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less).
What is EPA 608 Type II certification? - ANSWER-Persons who maintain, service,
repair, or dispose of high and very high pressure appliances. Except small
appliances and motor vehicle air conditioning systems.
What is EPA 608 Type III certification? - ANSWER-Persons who maintain, service,
repair, or dispose of low pressure appliances.
What is EPA 608 Universal certification? - ANSWER-Persons who maintain,
service, repair, or dispose of both low and high pressure equipment, as well as
appliances.
