EPA 608 Core · Section 608 Regulations · Medium
Under the AIM Act, what happens to existing HFC systems?
Answer: B. They can continue to be serviced with recovered or recycled HFCs.
- AThey must be retrofitted to A2L refrigerants immediately.
- BThey can continue to be serviced with recovered or recycled HFCs.✓ Correct
- CThey are subject to immediate venting and destruction.
- DThey must be replaced within 5 years.
Why B is right
The AIM Act phases down new production; existing systems can still use recovered and reclaimed gas.
More Core questions
- What is the EPA's SNAP program designed to do?
- Is it ever legal to intentionally vent an HFC refrigerant like R-134a?
- What is an allowable 'de minimis' release of refrigerant?
- Are hydrocarbon refrigerants like R-290 exempt from the venting prohibition?
- Which refrigerant container may still be sold to a buyer without Section 608 or 609 certification?
Go deeper with the study guide How to Get EPA 608 Certified in 2026: Step by Step, try the free 10-question test or browse all EPA 608 practice questions.
A practice question written for study, checked against 40 CFR Part 82, Subpart F. It is not an official EPA exam question, and this site is not affiliated with the U.S. EPA.