EPA 608 Core · Section 608 Regulations · Medium
What is an allowable 'de minimis' release of refrigerant?
Answer: B. Small losses from hoses with low-loss fittings.
- AVenting up to 1 pound of gas per year.
- BSmall losses from hoses with low-loss fittings.✓ Correct
- CBleeding off refrigerant to fix an overcharge.
- DVenting the remainder of a system after pulling a 10-inch vacuum.
Why B is right
A de minimis release is the unavoidable minimum emission during good faith service practices.
More Core questions
- 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?
- Under the AIM Act, EPA regulates HFCs through which three main areas?
- Which regulation phases down the production of HFCs in the United States?
- Is it legal to vent natural refrigerants like R-290 (propane) or R-744 (CO2)?
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.