EPA 608 Certification Exam 2026
Questions and Answers Graded A+
What date was the sale of CFC's & HCFC's restricted to technicians certified in
refrigerant recovery? - Correct 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
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,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 - Correct answer-Memorize it, ya'll.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,Comfort cooling appliances containing more than 50 lbs of refrigerant must be
repaired when the annual leak rate exceeds _____% - Correct answer-15%
Commercial and Industrial process refrigeration containing ore than 50 lbs of
refrigerant must be repaired when the annual leak rate exceeds _____% - Correct
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 - Correct answer-0 0
4 10
4 10
4 15
00
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, Section 608 of the Federal Clean Air Act requires technicians to what? - Correct
answer-Recover all refrigerants.
The objective of the Clean Air Act is to protect what? - Correct answer-The earth's
stratosphere.
HFC's - Correct answer-HydroFlouroCarbon's
CFC's - Correct answer-ChloroFluoroCarbon's
ODP - Correct answer-Ozone Depletion Potential
Which international treaty agreement was the basis for Section 608? - Correct
answer-The Montreal Protocol.
Depletion of the ozone in the stratosphere is known to cause what 6 things? -
Correct answer-1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
Questions and Answers Graded A+
What date was the sale of CFC's & HCFC's restricted to technicians certified in
refrigerant recovery? - Correct 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
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,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 - Correct answer-Memorize it, ya'll.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,Comfort cooling appliances containing more than 50 lbs of refrigerant must be
repaired when the annual leak rate exceeds _____% - Correct answer-15%
Commercial and Industrial process refrigeration containing ore than 50 lbs of
refrigerant must be repaired when the annual leak rate exceeds _____% - Correct
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 - Correct answer-0 0
4 10
4 10
4 15
00
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, Section 608 of the Federal Clean Air Act requires technicians to what? - Correct
answer-Recover all refrigerants.
The objective of the Clean Air Act is to protect what? - Correct answer-The earth's
stratosphere.
HFC's - Correct answer-HydroFlouroCarbon's
CFC's - Correct answer-ChloroFluoroCarbon's
ODP - Correct answer-Ozone Depletion Potential
Which international treaty agreement was the basis for Section 608? - Correct
answer-The Montreal Protocol.
Depletion of the ozone in the stratosphere is known to cause what 6 things? -
Correct answer-1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
