Identify annual leak rates for commercial and industrial process refrigeration and for other appliances containing more than 50 pounds of refrigerant.

Identification should include locating the leak rates on HVACR equipment according to the type of equipment and amount of refrigerant in the equipment.

Process/Skill Questions:

• What percentage of refrigerant can leak from comfort cooling appliances before repairs need to be made?
• What percentage of refrigerant can leak from commercial industrial process refrigeration before repairs need to be made?
• What should be done with equipment that cannot be repaired?