EPA 608 Certification Exam 2026
Questions and Answers
November 14, 1994 - Correct answer-What date was the sale of CFC's & HCFC's
restricted to technicians certified in refrigerant recovery?
Memorize it, ya'll. - Correct answer-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
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,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
©COPYRIGHT 2025, ALL RIGHTS RESERVE 2
,15% - Correct answer-Comfort cooling appliances containing more than 50 lbs of
refrigerant must be repaired when the annual leak rate exceeds _____%
35% - Correct answer-Commercial and Industrial process refrigeration containing
ore than 50 lbs of refrigerant must be repaired when the annual leak rate exceeds
_____%
00
4 10
4 10
4 15
0 0 - Correct answer-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
©COPYRIGHT 2025, ALL RIGHTS RESERVE 3
, Recover all refrigerants. - Correct answer-Section 608 of the Federal Clean Air Act
requires technicians to what?
The earth's stratosphere. - Correct answer-The objective of the Clean Air Act is to
protect what?
HydroFlouroCarbon's - Correct answer-HFC's
ChloroFluoroCarbon's - Correct answer-CFC's
Ozone Depletion Potential - Correct answer-ODP
The Montreal Protocol. - Correct answer-Which international treaty agreement was
the basis for Section 608?
1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone - Correct answer-Depletion of the ozone in the
stratosphere is known to cause what 6 things?
©COPYRIGHT 2025, ALL RIGHTS RESERVE 4
Questions and Answers
November 14, 1994 - Correct answer-What date was the sale of CFC's & HCFC's
restricted to technicians certified in refrigerant recovery?
Memorize it, ya'll. - Correct answer-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 RESERVE 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
©COPYRIGHT 2025, ALL RIGHTS RESERVE 2
,15% - Correct answer-Comfort cooling appliances containing more than 50 lbs of
refrigerant must be repaired when the annual leak rate exceeds _____%
35% - Correct answer-Commercial and Industrial process refrigeration containing
ore than 50 lbs of refrigerant must be repaired when the annual leak rate exceeds
_____%
00
4 10
4 10
4 15
0 0 - Correct answer-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
©COPYRIGHT 2025, ALL RIGHTS RESERVE 3
, Recover all refrigerants. - Correct answer-Section 608 of the Federal Clean Air Act
requires technicians to what?
The earth's stratosphere. - Correct answer-The objective of the Clean Air Act is to
protect what?
HydroFlouroCarbon's - Correct answer-HFC's
ChloroFluoroCarbon's - Correct answer-CFC's
Ozone Depletion Potential - Correct answer-ODP
The Montreal Protocol. - Correct answer-Which international treaty agreement was
the basis for Section 608?
1.Crop losses
2.Increases in eye diseases
3.Skin Cancer
4.Reduced marine life
5.Deforestation
6.Increased ground level ozone - Correct answer-Depletion of the ozone in the
stratosphere is known to cause what 6 things?
©COPYRIGHT 2025, ALL RIGHTS RESERVE 4
