EPA 608 Final Exam 2026/2027 – SkillCat
Study Guide | Questions & Answers
Do natural events like volcanic eruptions contribute to chlorine in the
stratosphere? - correct answer-Yes, chlorine can come from natural sources such
as volcanoes, but they are not the primary source
Ground level ozone is what absorbs and reflects harmful UV rays from the sun.
T/F? - correct answer-False
In which of the following ways does ozone depletion affect humans? - correct
answer-Increased risk of skin cancer & cataracts
Is there evidence that refrigerants are in the stratosphere? - correct answer-Yes
Which of the following statements is TRUE about chlorine? - correct answer-A
single chlorine atom can survive in the atmosphere for years
Ozone has __ atoms of oxygen. - correct answer-3
The majority of ozone is located in the Troposphere. T/F? - correct answer-False
,How many molecules of ozone can three molecules of chlorine destroy? - correct
answer-300,000
What is the major function of ozone in the stratosphere? - correct answer-Absorb
and reflect UV rays from the sun
What is the primary source of chlorine in the Stratosphere? - correct answer-
Emissions of refrigerant chemicals such as CFCs and HCFCs by humans
What molecule destroys the ozone layer? - correct answer-Chlorine
Which of the following are effects of ozone depletion? - correct answer-
Decreasing crop yields
Which refrigerant chemicals are responsible for the destruction of the ozone
layer? - correct answer-CFCs & HCFCs
Who does ozone depletion affect? - correct answer-People all over the world
The Clean Air Act states that it is a violation to purposely vent refrigerants that
deplete ozone. T/F? - correct answer-True
After a refrigerant is phased out, can technicians still service equipment
containing that refrigerant? - correct answer-Yes
,After being phased out, where can technicians obtain refrigerant to service
equipment that contains that refrigerant? - correct answer-From recovered and
reclaimed refrigerant
Can refrigerant be resold? - correct answer-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 of the
following refrigerants? - correct answer-CFCs, HCFCs, HFCs
If you are selling R-22 refrigerant, who can you sell to? - correct answer-A
technician with Section 608 certification & 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? - correct answer-Yes, but only if it has been
reclaimed to AHRI Standard 700 specifications
In the United States, when were all CFCs phased out by? - correct answer-1995
In the United States, when were R-22 and R-142b phased out? - correct answer-
2020
In the United States, when will all HCFCs be phased out? - correct answer-2030
Which of the following records must be kept for an R-22? (Select all that apply) -
correct answer-Types of refrigerant, dates, And quantity of refrigerant
, Section 608 of the Clean Air Act is: - correct answer-A federal law
State and local regulations _______ - correct answer-Have to be followed in
addition to federal CAA regulations & May be stricter than federal CAA
regulations
The Venting Prohibition requires that you recover affected refrigerant before -
correct answer-Opening, servicing, or disposing of equipment
Under Section 608 Regulations, who is responsible for ensuring that all refrigerant
is removed before disposing of equipment that contains it? - correct answer-The
final person in the disposal chain
What appliances do Section 608 regulations apply to? - correct answer-Freezers
What does SNAP stand for? - correct answer-Significant New Alternatives Policy
What is the fine for violating the Clean Air Act (as of 2017)? - correct answer-
$44,539 per day per violation
What is the Montreal Protocol? - correct answer-An international agreement
between 197 countries
What is the purpose of Section 608? - correct answer-To protect the ozone and
regulate chemicals that deplete ozone
Study Guide | Questions & Answers
Do natural events like volcanic eruptions contribute to chlorine in the
stratosphere? - correct answer-Yes, chlorine can come from natural sources such
as volcanoes, but they are not the primary source
Ground level ozone is what absorbs and reflects harmful UV rays from the sun.
T/F? - correct answer-False
In which of the following ways does ozone depletion affect humans? - correct
answer-Increased risk of skin cancer & cataracts
Is there evidence that refrigerants are in the stratosphere? - correct answer-Yes
Which of the following statements is TRUE about chlorine? - correct answer-A
single chlorine atom can survive in the atmosphere for years
Ozone has __ atoms of oxygen. - correct answer-3
The majority of ozone is located in the Troposphere. T/F? - correct answer-False
,How many molecules of ozone can three molecules of chlorine destroy? - correct
answer-300,000
What is the major function of ozone in the stratosphere? - correct answer-Absorb
and reflect UV rays from the sun
What is the primary source of chlorine in the Stratosphere? - correct answer-
Emissions of refrigerant chemicals such as CFCs and HCFCs by humans
What molecule destroys the ozone layer? - correct answer-Chlorine
Which of the following are effects of ozone depletion? - correct answer-
Decreasing crop yields
Which refrigerant chemicals are responsible for the destruction of the ozone
layer? - correct answer-CFCs & HCFCs
Who does ozone depletion affect? - correct answer-People all over the world
The Clean Air Act states that it is a violation to purposely vent refrigerants that
deplete ozone. T/F? - correct answer-True
After a refrigerant is phased out, can technicians still service equipment
containing that refrigerant? - correct answer-Yes
,After being phased out, where can technicians obtain refrigerant to service
equipment that contains that refrigerant? - correct answer-From recovered and
reclaimed refrigerant
Can refrigerant be resold? - correct answer-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 of the
following refrigerants? - correct answer-CFCs, HCFCs, HFCs
If you are selling R-22 refrigerant, who can you sell to? - correct answer-A
technician with Section 608 certification & 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? - correct answer-Yes, but only if it has been
reclaimed to AHRI Standard 700 specifications
In the United States, when were all CFCs phased out by? - correct answer-1995
In the United States, when were R-22 and R-142b phased out? - correct answer-
2020
In the United States, when will all HCFCs be phased out? - correct answer-2030
Which of the following records must be kept for an R-22? (Select all that apply) -
correct answer-Types of refrigerant, dates, And quantity of refrigerant
, Section 608 of the Clean Air Act is: - correct answer-A federal law
State and local regulations _______ - correct answer-Have to be followed in
addition to federal CAA regulations & May be stricter than federal CAA
regulations
The Venting Prohibition requires that you recover affected refrigerant before -
correct answer-Opening, servicing, or disposing of equipment
Under Section 608 Regulations, who is responsible for ensuring that all refrigerant
is removed before disposing of equipment that contains it? - correct answer-The
final person in the disposal chain
What appliances do Section 608 regulations apply to? - correct answer-Freezers
What does SNAP stand for? - correct answer-Significant New Alternatives Policy
What is the fine for violating the Clean Air Act (as of 2017)? - correct answer-
$44,539 per day per violation
What is the Montreal Protocol? - correct answer-An international agreement
between 197 countries
What is the purpose of Section 608? - correct answer-To protect the ozone and
regulate chemicals that deplete ozone
