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Question:

A high-pressure appliance containing less than 200 lbs. of an HCFC or HFC refrigerant must be evacuated (recovered) to a level of _____.

A 0 inches of vacuum
Explaination

A high-pressure appliance containing less than 200 lbs. of an HCFC or HFC refrigerant must be evacuated (recovered) to a level of 0 inches of vacuum.