EPA 608 EXAM 2026/2027 | QUESTIONS AND CORRECT
DETAILED ANSWERS
What do you do if you discover that you have added Refrigerant B to a system that
contained Refrigerant A?
Consider that Refrigerant A is ozone-depleting.
Recover the mixture in a separate recovery cylinder
The vapor leaving the compressor is lower in pressure than vapor entering the
compressor.
Select one:
True
False
False
Which of the following are violations of the CAA Venting Prohibition? (Select all that
apply)
A. Release of refrigerants because appliances were not recovered
B. Releasing isobutane while servicing equipment
C. Releasing HFC refrigerant because of catastrophic equipment failure
D. Refrigerants released when disconnecting on low-loss hoses to service an appliance
A and D
What penalties can technicians face if they violate the Clean Air Act? (Select all that
apply)
A. They may lose their Section 608certification
B. They may face federal charges
C. They may have to do community service
D. They may be fined
A, B, and D.
Which of the following are considered de minimis releases of refrigerant? (Select all that
apply)
Answer
A. HCFCs released when disconnecting hoses equipped with low loss fittings
B. Release of carbon dioxide with low-loss fittings
C. Release of HFCs due to catastrophic failure of equipment
D. None of the above
A and C
Which of the following are excluded from Section 608 refrigerant management
requirements? (Select all that apply)
,A. Carbon dioxide
B. HFCS
C. Water
D. Nitrogen
A, C, and D
As environmental technicians, we must be up to date with which type of laws?
Federal, State, and Local Laws
For EPA 608 Universal Certification, how many questions will you receive?
100
If you need to get type III certification, what will be on your exam?
50 questions, 25 core and 25 type III questions.
What is the passing grade for all EPA certifications?
70%
Once you Pass the EPA exam, the regulations you learn will never change.
False
Do natural events like volcanic eruptions contribute to chlorine in the stratosphere?
Yes, but are not the primary source
True or False: Ground level ozone is what absorbs and reflects harmful UV rays from
the sun.
False
In which of the following ways does ozone depletion affect humans?
Increased risk of skin cancer and cataracts
Is there evidence that refrigerants are in the stratosphere?
YES
Which of the following statements is TRUE about chlorine?
A single chlorine atom can survive in the atmosphere for years.
Ozone has __ atoms of oxygen.
3
The majority of ozone is located in the Troposphere. t or f?
False
How many molecules of ozone can three molecules of chlorine destroy?
300,000 (100,000 per chlorine molecule)
What is the major function of ozone in the stratosphere?
Absorb and reflect UV rays from the sun.
What is the primary source of chlorine in the stratosphere?
Emissions of refrigerant chemicals such as CFCs and HCFCs by humans.
What molecule destroys the ozone layer?
Chlorine
Which of the following an effects of ozone depletion?
Decreasing crop yields
Which refrigerant chemicals are responsible for the destruction of the ozone layer?
CFCs and HCFCs
Who does ozone depletion affect?
people all over the world
,After refrigerant is phased out, can a technician still service the equipment containing
that refrigerant?
YES
After being phased out, where can technicians obtain refrigerant to service equipment
that contains that refrigerant?
From recovered and reclaimed refrigerant.
Can refrigerant be resold?
Yes, but only if it has been reclaimed to AHRI Standard 700 specifications
Equipment has to be certified to epa standards in order to recover which refrigerants
CFCs, HCFCs, HFCs
If you are selling R-22 refrigerant, who can you sell to?
A technician with Section 608 certification and a business that employs a technician
with Section 608 certification.
If you recover R-12 refrigerant, can you use the recovered refrigerant in another device
owned by a different person?
Yes, but only if it has been reclaimed to AHRI Standard 700 specifications.
In the United States, when were all CFCs phased out by?
1995
In the United States, when were R-22 and R-142b phased out?
2020
In the United States, when will all HCFCs be phased out?
2030
Which of the following records must be kept for an R-22?
A. Type of refrigerant
B. Dates
C. Quantity of refrigerant
D. Model of appliance
Type of refrigerant, dates, and Quantity
Section 608 of the Clean Air Act is:
federal law
State and Local Regulations ____ (select all that apply)
A. Have to be followed in addition to federal CAA regulations
B. Have to be followed instead of federal CAA regulations
C. May be stricter than federal CAA regulations
D. Are a suggestion
A. And C.
The Venting Prohibition requires that you recover affected refrigerant before (Select all
that apply):
A. Opening equipment
, B. Servicing equipment
C. Disposing of equipment
D. Manufacturing equipment
Opening equipment, servicing equipment, disposing equipment
Under Section 608 Regulations, who is responsible for ensuring that all refrigerant is
removed before disposing of equipment that contains it?
The final person in the disposal chain.
What appliances do Section 608 regulations apply to?
Freezers
Desiccant dehumidifiers
Both
None
Freezers
What does SNAP stand for?
Significant New Alternatives Policy
What is the fine for violating the Clean Air Act (as of 2017)?
$44,539 per day per violation
What is the Montreal Protocol?
An international agreement between 197 countries
What is the purpose of Section 608? (Select all that apply)
Answer
A. To protect the ozone layer
B. To regulate use of chemicals that deplete ozone
C. To raise money through fines
D. Economic reasons
A and B
What is the purpose of SNAP? (Select all that apply)
Answer
A. To evaluate alternative refrigerants
B. To further the goals of the CAA
C. To consider effects of substitute refrigerants on humans
D. To consider effects of substitute refrigerants on the environment
All of them
.
What needs to be done before disposing of equipment that contains CFCs, HCFCs, or
their substitutes?
Recover the equipment
What other appliances do Section 608 regulations apply to?
A. Commercial refrigeration equipment
DETAILED ANSWERS
What do you do if you discover that you have added Refrigerant B to a system that
contained Refrigerant A?
Consider that Refrigerant A is ozone-depleting.
Recover the mixture in a separate recovery cylinder
The vapor leaving the compressor is lower in pressure than vapor entering the
compressor.
Select one:
True
False
False
Which of the following are violations of the CAA Venting Prohibition? (Select all that
apply)
A. Release of refrigerants because appliances were not recovered
B. Releasing isobutane while servicing equipment
C. Releasing HFC refrigerant because of catastrophic equipment failure
D. Refrigerants released when disconnecting on low-loss hoses to service an appliance
A and D
What penalties can technicians face if they violate the Clean Air Act? (Select all that
apply)
A. They may lose their Section 608certification
B. They may face federal charges
C. They may have to do community service
D. They may be fined
A, B, and D.
Which of the following are considered de minimis releases of refrigerant? (Select all that
apply)
Answer
A. HCFCs released when disconnecting hoses equipped with low loss fittings
B. Release of carbon dioxide with low-loss fittings
C. Release of HFCs due to catastrophic failure of equipment
D. None of the above
A and C
Which of the following are excluded from Section 608 refrigerant management
requirements? (Select all that apply)
,A. Carbon dioxide
B. HFCS
C. Water
D. Nitrogen
A, C, and D
As environmental technicians, we must be up to date with which type of laws?
Federal, State, and Local Laws
For EPA 608 Universal Certification, how many questions will you receive?
100
If you need to get type III certification, what will be on your exam?
50 questions, 25 core and 25 type III questions.
What is the passing grade for all EPA certifications?
70%
Once you Pass the EPA exam, the regulations you learn will never change.
False
Do natural events like volcanic eruptions contribute to chlorine in the stratosphere?
Yes, but are not the primary source
True or False: Ground level ozone is what absorbs and reflects harmful UV rays from
the sun.
False
In which of the following ways does ozone depletion affect humans?
Increased risk of skin cancer and cataracts
Is there evidence that refrigerants are in the stratosphere?
YES
Which of the following statements is TRUE about chlorine?
A single chlorine atom can survive in the atmosphere for years.
Ozone has __ atoms of oxygen.
3
The majority of ozone is located in the Troposphere. t or f?
False
How many molecules of ozone can three molecules of chlorine destroy?
300,000 (100,000 per chlorine molecule)
What is the major function of ozone in the stratosphere?
Absorb and reflect UV rays from the sun.
What is the primary source of chlorine in the stratosphere?
Emissions of refrigerant chemicals such as CFCs and HCFCs by humans.
What molecule destroys the ozone layer?
Chlorine
Which of the following an effects of ozone depletion?
Decreasing crop yields
Which refrigerant chemicals are responsible for the destruction of the ozone layer?
CFCs and HCFCs
Who does ozone depletion affect?
people all over the world
,After refrigerant is phased out, can a technician still service the equipment containing
that refrigerant?
YES
After being phased out, where can technicians obtain refrigerant to service equipment
that contains that refrigerant?
From recovered and reclaimed refrigerant.
Can refrigerant be resold?
Yes, but only if it has been reclaimed to AHRI Standard 700 specifications
Equipment has to be certified to epa standards in order to recover which refrigerants
CFCs, HCFCs, HFCs
If you are selling R-22 refrigerant, who can you sell to?
A technician with Section 608 certification and a business that employs a technician
with Section 608 certification.
If you recover R-12 refrigerant, can you use the recovered refrigerant in another device
owned by a different person?
Yes, but only if it has been reclaimed to AHRI Standard 700 specifications.
In the United States, when were all CFCs phased out by?
1995
In the United States, when were R-22 and R-142b phased out?
2020
In the United States, when will all HCFCs be phased out?
2030
Which of the following records must be kept for an R-22?
A. Type of refrigerant
B. Dates
C. Quantity of refrigerant
D. Model of appliance
Type of refrigerant, dates, and Quantity
Section 608 of the Clean Air Act is:
federal law
State and Local Regulations ____ (select all that apply)
A. Have to be followed in addition to federal CAA regulations
B. Have to be followed instead of federal CAA regulations
C. May be stricter than federal CAA regulations
D. Are a suggestion
A. And C.
The Venting Prohibition requires that you recover affected refrigerant before (Select all
that apply):
A. Opening equipment
, B. Servicing equipment
C. Disposing of equipment
D. Manufacturing equipment
Opening equipment, servicing equipment, disposing equipment
Under Section 608 Regulations, who is responsible for ensuring that all refrigerant is
removed before disposing of equipment that contains it?
The final person in the disposal chain.
What appliances do Section 608 regulations apply to?
Freezers
Desiccant dehumidifiers
Both
None
Freezers
What does SNAP stand for?
Significant New Alternatives Policy
What is the fine for violating the Clean Air Act (as of 2017)?
$44,539 per day per violation
What is the Montreal Protocol?
An international agreement between 197 countries
What is the purpose of Section 608? (Select all that apply)
Answer
A. To protect the ozone layer
B. To regulate use of chemicals that deplete ozone
C. To raise money through fines
D. Economic reasons
A and B
What is the purpose of SNAP? (Select all that apply)
Answer
A. To evaluate alternative refrigerants
B. To further the goals of the CAA
C. To consider effects of substitute refrigerants on humans
D. To consider effects of substitute refrigerants on the environment
All of them
.
What needs to be done before disposing of equipment that contains CFCs, HCFCs, or
their substitutes?
Recover the equipment
What other appliances do Section 608 regulations apply to?
A. Commercial refrigeration equipment
