Which of the following is NOT a characteristic of flammable refrigerants?

• A. High toxicity
• B. Risk of ignition
• C. Requires special handling procedures
• D. Association with global warming potential

Answer: (A)

A characteristic that is not associated with flammable refrigerants is high toxicity. Flammable refrigerants are typically defined by their ability to ignite and burn, which relates to the risk of ignition and the need for special handling procedures to prevent accidents or injuries during use.

While some refrigerants do have toxic properties, flammability itself does not inherently correlate with toxicity levels. Many flammable refrigerants can be relatively non-toxic, meaning they do not pose significant health risks upon exposure compared to their flammable nature. Therefore, when evaluating refrigerants, an emphasis is placed on their flammability and the associated safety measures rather than their potential toxicity.

While global warming potential may be relevant in the discussion of refrigerants' environmental impact, it does not directly relate to their flammability characteristics. Thus, high toxicity is not a defining feature of flammable refrigerants.