EXAM|COMPLETE (TESTED 100%) QUESTIONS
WITH CORRECT DETAILED AND VERIFIED
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ANSWERS| GURANTEED PASS| TOP RATED A+.
SKILLCAT EPA 608
Pass the SKILLCAT EPA 608 exam 2025/2026 with confidence. This exam
resource features questions in areas like: refrigerant handling,
environmental regulations, and HVAC safety procedures. This study guide
is perfect for HVAC students, apprentices, and technicians preparing for
EPA Section 608 certification.
Do natural events like volcanic eruptions contribute to chlorine in the
stratosphere? ...... ANSWER .......Yes, but they are not the primary
source.
What absorbs and reflects harmful UV rays from the sun? ...... ANSWER
.......Ozone, but ground level ozone does not.
How does ozone depletion affect humans? ...... ANSWER .......Increased
risk of skin cancer and cataracts.
Is there evidence that refrigerants are in the stratosphere? ...... ANSWER
.......Yes.
What is a true statement about chlorine in the atmosphere? ......
ANSWER .......A single chlorine atom can survive for years.
, How many atoms of oxygen does ozone have? ...... ANSWER .......3
Where is the majority of ozone located? ...... ANSWER .......In the
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stratosphere, not the troposphere.
How many molecules of ozone can three molecules of chlorine destroy?
...... ANSWER .......300,000.
What is the major function of ozone in the stratosphere? ...... ANSWER
.......To absorb and reflect UV rays from the sun.
What is the primary source of chlorine in the stratosphere? ......
ANSWER .......Emissions of refrigerant chemicals like CFCs and HCFCs
by humans.
What molecule is responsible for ozone layer destruction? ...... ANSWER
.......Chlorine.
What are the effects of ozone depletion? ...... ANSWER .......Decreasing
crop yields.
Which refrigerant chemicals destroy the ozone layer? ...... ANSWER
.......CFCs and HCFCs.
Who does ozone depletion affect? ...... ANSWER .......People all over the
world.
, What does the Clean Air Act state about refrigerants that deplete ozone?
...... ANSWER .......It is a violation to purposely vent them.
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Can technicians service equipment containing phased-out refrigerants?
...... ANSWER .......Yes.
Where can technicians obtain refrigerants after they are phased out? ......
ANSWER .......From recovered or reclaimed refrigerant.
Can refrigerant be resold? ...... ANSWER .......Yes, if it meets AHRI
Standard 700 specifications.
What refrigerants must equipment be certified to recover? ...... ANSWER
.......CFCs, HCFCs, and HFCs.
Who can you sell R-22 refrigerant to? ...... ANSWER .......A technician
or business with Section 608 Certification.
Can recovered R-12 refrigerant be used in another person's device? ......
ANSWER .......Yes, if it has been reclaimed to AHRI Standard 700
specifications.
When were all CFCs phased out in the United States? ...... ANSWER
.......1995