SKILLCAT EPA 608 CERTIFICATION TEST
BANK UPDATED COMPLETE QUESTIONS
WITH ACCURATE ANSWERS
●● 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 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.
●● 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
●● When were R-22 and R-142b phased out in the United States?
Answer: 2020
●● When will all HCFCs be phased out in the United States?
Answer: 2030
●● What records must be kept for R-22?
Answer: Type, dates, and quantity of refrigerant.
●● What is Section 608 of the Clean Air Act?
Answer: Federal Law.
●● What must state and local regulations do in relation to federal CAA
regulations?
Answer: They must be followed and may be stricter.
BANK UPDATED COMPLETE QUESTIONS
WITH ACCURATE ANSWERS
●● 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 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.
●● 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
●● When were R-22 and R-142b phased out in the United States?
Answer: 2020
●● When will all HCFCs be phased out in the United States?
Answer: 2030
●● What records must be kept for R-22?
Answer: Type, dates, and quantity of refrigerant.
●● What is Section 608 of the Clean Air Act?
Answer: Federal Law.
●● What must state and local regulations do in relation to federal CAA
regulations?
Answer: They must be followed and may be stricter.
