The EPA considers a major repair to be the replacement of what 4 items? - answer>>1.Evaporator 2.Condenser 3.Compressor 4.Auxillary Heat Exchanger What is EPA 608 Type I certification? - answer>>Persons who maintain, service, repair, or dispose of small appliances (containing 5 pounds of refrigerant (or less). What is EPA 608 Type II certification? - answer>>Persons who maintain, service, repair, or dispose of high and very high pressure appliances. Except small appliances and motor vehicle air conditioning systems. What is EPA 608 Type III certification? - answer>>Persons who maintain, service, repair, or dispose of low pressure appliances. What is EPA 608 Universal certification? - answer>>Persons who maintain, service, repair, or dispose of both low and high pressure equipment, as well as appliances. HCFC's - answer>>HydroChloroFluoroCarbonsWhat are HydroChloroFluoroCarbons? - answer>>Commonly known as HCFC's, they are a group of man-made compunds containing hydrogen, chlorine, fluorine, and carbon. A recovery cylinder must not be filled more than ___ % of it's capacity by weight? - answer>>80% How should refrigerant cylinders be shipped? - answer>>Up-right with proper DOT classification tags. What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work with CFC's and HCFC's. - answer>>Polyolester HCFC's have very low atmospheric