Which refrigerant safety category indicates not flammable and low toxicity?

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Multiple Choice

Which refrigerant safety category indicates not flammable and low toxicity?

Refrigerant safety categories combine two properties: toxicity and flammability. Toxicity is labeled A for lower toxicity and B for higher toxicity, while flammability uses 1 for not flammable, 2 for flammable, and 3 for highly flammable. The description “not flammable and low toxicity” points to the cell where toxicity is low (A) and flammability is not flammable (1). The other options mix higher toxicity or some level of flammability, so they don’t match the described safety profile.

Refrigerant safety categories combine two properties: toxicity and flammability. Toxicity is labeled A for lower toxicity and B for higher toxicity, while flammability uses 1 for not flammable, 2 for flammable, and 3 for highly flammable. The description “not flammable and low toxicity” points to the cell where toxicity is low (A) and flammability is not flammable (1). The other options mix higher toxicity or some level of flammability, so they don’t match the described safety profile.

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