EPA 608 Exam Prep

EPA 608 Core · Ozone Depletion · Easy

What is the Ozone Depletion Potential (ODP) of HFC refrigerants such as R-134a and R-410A?

Answer: C. 0

  1. A1.0
  2. B0.5
  3. C0✓ Correct
  4. D100

Why C is right

HFCs (Hydrofluorocarbons) do not contain chlorine or bromine, meaning they have an Ozone Depletion Potential (ODP) of exactly zero. However, they are regulated because of their high Global Warming Potential (GWP).

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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.