EPA 608 Certification, EPA 608 (Section 608
Refrigerant Recovery and Transition) 254
Questions & Complete Detailed Solutions
(New 2026/2027 Update)
This EPA 608 Certification is a mandatory exam for anyone handling
ozone-depleting refrigerants. This Study resource featuring "254
questions and answers" Is a compiled study bank covering the Core,
Type I, Type II, Type III, and Universal sections required for this HVAC
credential.
📚 What is the EPA 608 Certification Exam?
Under Section 608 of the Clean Air Act, technicians who maintain,
service, repair, or dispose of appliances containing regulated refrigerants
must be certified. The test is divided into four main sections:
Core: Environmental regulations, ozone depletion, and general safety
(mandatory for all).
Type I: Small appliances (e.g., household refrigerators, window A/C
units).
Type II: High-pressure and very high-pressure appliances.
Type III: Low-pressure appliances (e.g., chillers).
Universal: Earned by passing Core plus Types I, II, and III.
📝 Exam Structure & Scoring
Format: Multiple-choice questions.
Passing Score: You must correctly answer at least \(72\%\) of the
questions in each section you are testing for.
Testing Conditions: While open-book testing exists for some online
formats, traditional exams require closed-book, proctored environments.
, Quiz_________________?
What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant
recovery? -
Answer
November 14, 1994
Quiz_________________?
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.
Quiz_________________?
Comfort cooling appliances containing more than 50 lbs of refrigerant must be repaired when
the annual leak rate exceeds _____% -
Answer
15%
Quiz_________________?
Commercial and Industrial process refrigeration containing ore than 50 lbs of refrigerant must
be repaired when the annual leak rate exceeds _____% -
Answer
35%
Quiz_________________?
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
00
4 10
4 10
4 15
00
Quiz_________________?
Section 608 of the Federal Clean Air Act requires technicians to what? -
Answer
Recover all refrigerants.
Quiz_________________?
The objective of the Clean Air Act is to protect what? -
Answer
The earth's stratosphere.
Quiz_________________?
HFC's -
Answer
HydroFlouroCarbon's
Refrigerant Recovery and Transition) 254
Questions & Complete Detailed Solutions
(New 2026/2027 Update)
This EPA 608 Certification is a mandatory exam for anyone handling
ozone-depleting refrigerants. This Study resource featuring "254
questions and answers" Is a compiled study bank covering the Core,
Type I, Type II, Type III, and Universal sections required for this HVAC
credential.
📚 What is the EPA 608 Certification Exam?
Under Section 608 of the Clean Air Act, technicians who maintain,
service, repair, or dispose of appliances containing regulated refrigerants
must be certified. The test is divided into four main sections:
Core: Environmental regulations, ozone depletion, and general safety
(mandatory for all).
Type I: Small appliances (e.g., household refrigerators, window A/C
units).
Type II: High-pressure and very high-pressure appliances.
Type III: Low-pressure appliances (e.g., chillers).
Universal: Earned by passing Core plus Types I, II, and III.
📝 Exam Structure & Scoring
Format: Multiple-choice questions.
Passing Score: You must correctly answer at least \(72\%\) of the
questions in each section you are testing for.
Testing Conditions: While open-book testing exists for some online
formats, traditional exams require closed-book, proctored environments.
, Quiz_________________?
What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant
recovery? -
Answer
November 14, 1994
Quiz_________________?
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.
Quiz_________________?
Comfort cooling appliances containing more than 50 lbs of refrigerant must be repaired when
the annual leak rate exceeds _____% -
Answer
15%
Quiz_________________?
Commercial and Industrial process refrigeration containing ore than 50 lbs of refrigerant must
be repaired when the annual leak rate exceeds _____% -
Answer
35%
Quiz_________________?
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
00
4 10
4 10
4 15
00
Quiz_________________?
Section 608 of the Federal Clean Air Act requires technicians to what? -
Answer
Recover all refrigerants.
Quiz_________________?
The objective of the Clean Air Act is to protect what? -
Answer
The earth's stratosphere.
Quiz_________________?
HFC's -
Answer
HydroFlouroCarbon's
