EPA SECTION 609 EXAM QUESTIONS AND ANSWERS 2025
How much does the 609 certification exam cost? - (ANSWER)$20
What does EPA stand for? - (ANSWER)Environmental Protection Agency
What is the purpose of in-liquid-line filters? - (ANSWER)To trap debris
Name 3 things that may lead to an inaccurate A/C system refrigerant charge - (ANSWER)(1) Equipment
inaccuracy (2) Incorrect conversion calculations (3) inaccurate label on vehicle
Name 3 things involved in using dye to find leaks. - (ANSWER)(1) Goggles (2) Trace dye (3) UV flashlight
Standards applied to Recovery/Recycling/Recharging equipment - (ANSWER)SAE J2788 and SAE J2210
Which refrigerant does EPA allow to be vented to the atmosphere? - (ANSWER)CO2
Name 3 transport modes the EPA allow technicians to be Section 609 certified. - (ANSWER)(1) Passenger
cars/trucks (2) Some farm equipment (3) some aircraft
The ASHRAE designation class for a refrigerant that is "Mildly Flammable" - (ANSWER)A2L
Which refrigerant system does EPA regulations allow to be retrofitted to use a different refrigerant than
the one originally installed by OEM? - (ANSWER)R-12
Name 3 refrigerants that may be combustible under certain circumstances. - (ANSWER)(1) R-152a (2) R-
134a (3) R-1234yf
What provides moisture control in an A/C system? - (ANSWER)Desiccant
What are the 2 best devices to use when taking the 609 Certification test? - (ANSWER)Desktop or laptop
How much does the 609 certification exam cost? - (ANSWER)$20
What does EPA stand for? - (ANSWER)Environmental Protection Agency
What is the purpose of in-liquid-line filters? - (ANSWER)To trap debris
Name 3 things that may lead to an inaccurate A/C system refrigerant charge - (ANSWER)(1) Equipment
inaccuracy (2) Incorrect conversion calculations (3) inaccurate label on vehicle
Name 3 things involved in using dye to find leaks. - (ANSWER)(1) Goggles (2) Trace dye (3) UV flashlight
Standards applied to Recovery/Recycling/Recharging equipment - (ANSWER)SAE J2788 and SAE J2210
Which refrigerant does EPA allow to be vented to the atmosphere? - (ANSWER)CO2
Name 3 transport modes the EPA allow technicians to be Section 609 certified. - (ANSWER)(1) Passenger
cars/trucks (2) Some farm equipment (3) some aircraft
The ASHRAE designation class for a refrigerant that is "Mildly Flammable" - (ANSWER)A2L
Which refrigerant system does EPA regulations allow to be retrofitted to use a different refrigerant than
the one originally installed by OEM? - (ANSWER)R-12
Name 3 refrigerants that may be combustible under certain circumstances. - (ANSWER)(1) R-152a (2) R-
134a (3) R-1234yf
What provides moisture control in an A/C system? - (ANSWER)Desiccant
What are the 2 best devices to use when taking the 609 Certification test? - (ANSWER)Desktop or laptop
