SKILLCAT
EPA 608
Verified Questions & Answers with Rationales
Graded A+ Complete Overview Study Guide Test
WHAT’S INSIDE
Skill cat EPA 608.
Verified 200+ Questions & Answers .
Multiple Choices (A~D).
Answers With Rationales.
Ideal For Exam Preparation & Concept Prep.
Graded A+.
100% Guarantee Pass.
MBOFFIN
,Q1. As technicians, we must stay up to date on which of the following?
A) Federal law only
B) State and local law only
C) Federal, state, and local law
D) International treaties only
Correct Answer: C
Rationale: Technicians must comply with all applicable federal, state, and local regulations, as
they may vary and be more stringent than federal rules.
Q2. For universal EPA certification, how many questions will you receive?
A) 50
B) 75
C) 100
D) 150
Correct Answer: C
Rationale: The EPA Section 608 Universal certification exam consists of 100 questions covering
all four core types.
Q3. What is the passing grade for all EPA certifications?
A) 60%
B) 70%
C) 75%
D) 80%
Correct Answer: B
Rationale: A score of 70% or higher is required to pass each section of the EPA 608
certification.
,Q4. True or false: You must memorize all regulations because they will stay the same forever.
A) True
B) False
Correct Answer: B
Rationale: Regulations change over time; technicians must stay current with updates rather
than relying on memorized, outdated information.
Q5. Can chlorine from the environment come from natural resources such as volcanoes?
A) Yes, and it is the primary source of atmospheric chlorine
B) Yes, but volcanoes are not the primary source
C) No, chlorine only comes from human-made sources
D) No, volcanoes release only sulfur compounds
Correct Answer: B
Rationale: Natural sources like volcanoes do release chlorine, but the vast majority of
stratospheric chlorine comes from human-made CFCs and HCFCs.
Q6. True or false: Ground-level ozone is what reflects and absorbs harmful UV rays from the sun.
A) True
B) False
Correct Answer: B
Rationale: Stratospheric ozone (not ground-level) absorbs and reflects UV rays. Ground-level
ozone is a pollutant and does not protect against UV radiation.
Q7. In which way does ozone depletion affect humans?
A) Increased risk of skin cancer and cataracts
B) Increased risk of respiratory infections
C) Increased risk of cardiovascular disease
, D) Increased risk of digestive disorders
Correct Answer: A
Rationale: Thinning of the stratospheric ozone layer allows more UV-B radiation to reach Earth,
increasing the incidence of skin cancer and cataracts.
Q8. Is there evidence that refrigerants are present in the stratosphere?
A) Yes
B) No
C) Only CFCs, not HCFCs
D) Only in the troposphere
Correct Answer: A
Rationale: Scientific measurements have detected CFCs and other refrigerants in the
stratosphere, confirming they reach the ozone layer.
Q9. One molecule of chlorine can destroy how many molecules of ozone?
A) 1,000
B) 10,000
C) 100,000
D) 1,000,000
Correct Answer: C
Rationale: A single chlorine atom acts as a catalyst and can destroy up to 100,000 ozone
molecules before being removed from the stratosphere.
Q10. Ozone has how many oxygen atoms?
A) 1
B) 2
C) 3
EPA 608
Verified Questions & Answers with Rationales
Graded A+ Complete Overview Study Guide Test
WHAT’S INSIDE
Skill cat EPA 608.
Verified 200+ Questions & Answers .
Multiple Choices (A~D).
Answers With Rationales.
Ideal For Exam Preparation & Concept Prep.
Graded A+.
100% Guarantee Pass.
MBOFFIN
,Q1. As technicians, we must stay up to date on which of the following?
A) Federal law only
B) State and local law only
C) Federal, state, and local law
D) International treaties only
Correct Answer: C
Rationale: Technicians must comply with all applicable federal, state, and local regulations, as
they may vary and be more stringent than federal rules.
Q2. For universal EPA certification, how many questions will you receive?
A) 50
B) 75
C) 100
D) 150
Correct Answer: C
Rationale: The EPA Section 608 Universal certification exam consists of 100 questions covering
all four core types.
Q3. What is the passing grade for all EPA certifications?
A) 60%
B) 70%
C) 75%
D) 80%
Correct Answer: B
Rationale: A score of 70% or higher is required to pass each section of the EPA 608
certification.
,Q4. True or false: You must memorize all regulations because they will stay the same forever.
A) True
B) False
Correct Answer: B
Rationale: Regulations change over time; technicians must stay current with updates rather
than relying on memorized, outdated information.
Q5. Can chlorine from the environment come from natural resources such as volcanoes?
A) Yes, and it is the primary source of atmospheric chlorine
B) Yes, but volcanoes are not the primary source
C) No, chlorine only comes from human-made sources
D) No, volcanoes release only sulfur compounds
Correct Answer: B
Rationale: Natural sources like volcanoes do release chlorine, but the vast majority of
stratospheric chlorine comes from human-made CFCs and HCFCs.
Q6. True or false: Ground-level ozone is what reflects and absorbs harmful UV rays from the sun.
A) True
B) False
Correct Answer: B
Rationale: Stratospheric ozone (not ground-level) absorbs and reflects UV rays. Ground-level
ozone is a pollutant and does not protect against UV radiation.
Q7. In which way does ozone depletion affect humans?
A) Increased risk of skin cancer and cataracts
B) Increased risk of respiratory infections
C) Increased risk of cardiovascular disease
, D) Increased risk of digestive disorders
Correct Answer: A
Rationale: Thinning of the stratospheric ozone layer allows more UV-B radiation to reach Earth,
increasing the incidence of skin cancer and cataracts.
Q8. Is there evidence that refrigerants are present in the stratosphere?
A) Yes
B) No
C) Only CFCs, not HCFCs
D) Only in the troposphere
Correct Answer: A
Rationale: Scientific measurements have detected CFCs and other refrigerants in the
stratosphere, confirming they reach the ozone layer.
Q9. One molecule of chlorine can destroy how many molecules of ozone?
A) 1,000
B) 10,000
C) 100,000
D) 1,000,000
Correct Answer: C
Rationale: A single chlorine atom acts as a catalyst and can destroy up to 100,000 ozone
molecules before being removed from the stratosphere.
Q10. Ozone has how many oxygen atoms?
A) 1
B) 2
C) 3
