The sale of CFC and HCFC refrigerant is ;

System-dependent or passive recovery equipment;

A small appliance is defined by EPA as;

Hydrochlorofluorocarbons (HCFC) refrigerants contain:

Which of the following is an example of a non-condensable?

Which refrigerant is a chlorine- free refrigerant?

After the refrigerant has been recovered, which of the following can be used to flush the system?

On a system with an operating compressor, recovery equipment must be capable of recovering;

System-dependent recovery methods may only be used on appliances containing;

With an air cooled condenser on the roof of a building and the evaporator on the first floor, recovery should first occur;