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

Any pressure vessel rated above 150 PSI

Answer

The original manufacturer's refrigerant cylinder

Answer

A stainless steel vacuum tank

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

0 inches Hg vacuum

Answer

4 inches Hg vacuum

Answer

29.9 inches Hg vacuum

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

Air distribution and indoor air quality standards for HVAC systems

Answer

Minimum energy efficiency standards for new HVAC equipment

Answer

Technician certification requirements for EPA Section 608

Question 4

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

Accepted Answer

Pink

Answer

Green

Answer

Orange

Answer

Light blue (sky blue)

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

Purchaser must have a business license in HVAC services

Answer

Purchaser must sign a liability waiver

Answer

No certification is required for purchase of any refrigerant

Question 6

What is the purpose of leak detection requirements under EPA Section 608 for large commercial systems?

Accepted Answer

To limit refrigerant losses that harm the environment and require facilities to repair leaks above threshold rates

Answer

To comply with local building permits for commercial HVAC

Answer

To maintain system efficiency and reduce energy costs only

Answer

To ensure refrigerant purity in systems serving food storage