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- First Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q512 - General Subjects II
193. When recovering R-12 from a small appliance with a working compressor, using a recovery device manufactured after November 15, 1993, what percentage of the remaining charge must be removed from the system?
EPA regulations require recovering at least 90% of the refrigerant charge from a small appliance with a working compressor when using recovery equipment manufactured after November 15, 1993.
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