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Question:

EPA regulations require that any appliances containing more than 50 pounds of refrigerant, except for commercial and industrial process refrigeration, must be repaired when the leak-rate exceeds ______ of the charge per year.

A 10 percent
explanation

EPA regulations require that any appliances containing more than 50 pounds of refrigerant, except for commercial and industrial process refrigeration, must be repaired when the leak-rate exceeds 10 percent of the charge per year.
NEW LEAK THRESHOLDS WERE EFFECTIVE IN JAN 2019:
30% for Industrial Process Refrigeration
20% for Commercial Refrigeration
10% for Comfort Cooling
PREVIOUS THRESHOLDS NOW OUTDATED:
35% for Industrial Process Refrigeration
25% for Commercial Refrigeration
15% for Comfort Cooling

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