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Hydrochlorofluorocarbons (HCFC) refrigerants contain:

Ozone is produced mainly by a process called ____________________.

The DOT-approved cylinder in which refrigerant may be recovered has a mechanism for shutting the recovery system off when it reaches approximately ____________________% full.

Production of CFC refrigerants became illegal on January 1, ____________________.

The trapping of the Earth’s heat in the atmosphere which is causing global warming is called the ____________________.

Mechanical refrigerant recovery equipment must meet specifications established by the 1993 AHRI 740 standard.

ODP is:

Which type of refrigerant has the highest Ozone Depletion Potential (ODP)?

How many chlorine atoms does it take to destroy 100,000 ozone molecules in the stratosphere?

HCFC-based blends work best with ____________________ lubricants, while HFC-based blends work best with ester lubricants.