Free EPA 608 Section 608 Regulations Practice Test (2026)

80 questions · 120 min · 70% to pass

80 Questions · 120 Minutes · 70% to Pass

Question 1 of 5

Sample Questions

Question 1

What are the four types of EPA 608 technician certifications?

Answer: Type I (small appliances), Type II (high-pressure appliances), Type III (low-pressure appliances), and Universal (all types of appliances).

Question 2

Who is required to be certified under Section 608 regulations?

Answer: Any technician who opens an appliance for maintenance, service, or repair that could release refrigerant into the atmosphere must be certified under Section 608.

Question 3

What is the 'de minimis' exemption under Section 608 venting rules?

Answer: The de minimis exemption allows releases of refrigerant that are incidental to good-faith recovery efforts, meaning small releases that occur while connecting or disconnecting hoses during proper recovery procedures are not violations.

Question 4

Which refrigerants are exempt from the Section 608 venting prohibition?

Answer: Nitrogen, R-744 (CO2) used as a refrigerant in certain contexts, and other non-ozone-depleting substances that the EPA has determined do not pose a threat to the environment are exempt from the venting prohibition.

Question 5

Under Section 608, what is the general rule regarding the venting of refrigerants during servicing, maintaining, or disposing of appliances?

Answer: It is illegal to knowingly vent refrigerants into the atmosphere. Technicians must use approved recovery equipment to capture refrigerants before opening or disposing of any appliance.