HVAC EPA Regulations and Refrigerant Safety 2

Question 1

What type of cylinder must be used when recovering refrigerant under EPA Section 608?

Accepted Answer

A DOT-approved recovery cylinder that is properly color-coded and not filled above 80% capacity

Answer

Recovered refrigerant must be stored in DOT-approved recovery cylinders (gray with yellow collar) and must not be filled above 80% of their capacity to allow for liquid expansion.

Question 2

Under EPA Section 608, what are the required evacuation levels for systems with more than 200 lbs of refrigerant using high-efficiency recovery equipment?

Accepted Answer

15 inches Hg vacuum

Answer

EPA Section 608 requires systems with more than 200 lbs of refrigerant to be evacuated to 15 inches Hg vacuum when using recovery equipment manufactured after November 15, 1993.

Question 3

What does the AIM Act of 2020 regulate in the US HVAC industry?

Accepted Answer

The phasedown of HFC refrigerants based on their GWP values

Answer

The AIM (American Innovation and Manufacturing) Act of 2020 authorizes the EPA to phase down the production and consumption of HFC refrigerants by 85% over 15 years.

Question 4

What is the color code for a virgin (new) R-410A refrigerant cylinder?

Accepted Answer

Pink

Answer

New virgin R-410A refrigerant cylinders are identified by their pink/rose color, which is the standard ARI color code for this refrigerant.

Question 5

What is required before refrigerant can be legally sold to a purchaser in the US?

Accepted Answer

Purchaser must be EPA Section 608 certified

Answer

As of January 1, 2018, EPA rules require that anyone who purchases refrigerant (except small cans under 2 lbs for self-contained systems) must be certified under EPA Section 608.

HVAC - Heating, Ventilation, and Air Conditioning Practice Test

HVAC - Heating, Ventilation, and Air Conditioning Practice Test

HVAC EPA Regulations and Refrigerant Safety 2