EPA 608 CORE- MAINSTREAM ENGINEERING EXAM
2025
What is being done in the U.S. to stop damage to the stratospheric ozone layer? - ✅✅✅CORRECT -
Eliminating the use of CFCs and HCFCs refrigerants
How much can a technician be fined for venting a non-exempt refrigerant from a system? -
✅✅✅CORRECT -$44,539 per day per violation
State and local governments __________________. - ✅✅✅CORRECT -can make laws that are
stricter requirements than the federal regulations
The ___________ identifies alternative refrigerants for use program. - ✅✅✅CORRECT -Snap
Program
The Montreal Protocol is ________________________. - ✅✅✅CORRECT -An international treaty
that addresses ozone-depleting substances and their alternatives
The production and import of new R-22 in the U.S. to service existing systems is banned beginning in
________. - ✅✅✅CORRECT -2020
After a refrigerant is phased-out, supplies of that refrigerant for equipment servicing can only come from
__________________. - ✅✅✅CORRECT -recovered and reclaimed gas
Technicians who violate Clean Air Act provisions __________________. - ✅✅✅CORRECT -can lose
their certification
Which is a violation of EPA or Clean Air Act regulations? - ✅✅✅CORRECT -Failing to evacuate
refrigerant in a leaking system to at least 0 psig
, Reclaimed refrigerant must be tested to meet __________________ before it can be resold. -
✅✅✅CORRECT -AHRI 700
If technicians lose their certification card, they must_________________. - ✅✅✅CORRECT -request
a replacement from the company that provided the certification
Distributors must verify __________________ before they can sell refrigerant. - ✅✅✅CORRECT -
that the purchaser employs at least one Section 608 certified technician
What does NOT require Section 608 certification? - ✅✅✅CORRECT -Rewiring a condenser fan
What refrigerant servicing does NOT require Section 608 certification? - ✅✅✅CORRECT -carbon
dioxide refrigerant
Which of the following is a lawful use of HCFC-22? - ✅✅✅CORRECT -Servicing existing R-22 systems
When servicing an R-22 system you CANNOT _______. - ✅✅✅CORRECT -top off the unit with R-
407C
How should disposable cylinders be discarded? - ✅✅✅CORRECT -Recover all remaining refrigerant,
render the cylinders useless, and recycle the metal.
Before disposing of any appliance containing refrigerant __________________. - ✅✅✅CORRECT -
recover the refrigerant
The EPA's "safe disposal requirements" make the __________________ responsible for ensuring that all
refrigerant has been removed from household refrigerators before they are disposed. -
✅✅✅CORRECT -final person in the disposal chain
All CFC, HCFC, and HFC refrigerant recovery devices must _________________. - ✅✅✅CORRECT -
meet EPA standards
2025
What is being done in the U.S. to stop damage to the stratospheric ozone layer? - ✅✅✅CORRECT -
Eliminating the use of CFCs and HCFCs refrigerants
How much can a technician be fined for venting a non-exempt refrigerant from a system? -
✅✅✅CORRECT -$44,539 per day per violation
State and local governments __________________. - ✅✅✅CORRECT -can make laws that are
stricter requirements than the federal regulations
The ___________ identifies alternative refrigerants for use program. - ✅✅✅CORRECT -Snap
Program
The Montreal Protocol is ________________________. - ✅✅✅CORRECT -An international treaty
that addresses ozone-depleting substances and their alternatives
The production and import of new R-22 in the U.S. to service existing systems is banned beginning in
________. - ✅✅✅CORRECT -2020
After a refrigerant is phased-out, supplies of that refrigerant for equipment servicing can only come from
__________________. - ✅✅✅CORRECT -recovered and reclaimed gas
Technicians who violate Clean Air Act provisions __________________. - ✅✅✅CORRECT -can lose
their certification
Which is a violation of EPA or Clean Air Act regulations? - ✅✅✅CORRECT -Failing to evacuate
refrigerant in a leaking system to at least 0 psig
, Reclaimed refrigerant must be tested to meet __________________ before it can be resold. -
✅✅✅CORRECT -AHRI 700
If technicians lose their certification card, they must_________________. - ✅✅✅CORRECT -request
a replacement from the company that provided the certification
Distributors must verify __________________ before they can sell refrigerant. - ✅✅✅CORRECT -
that the purchaser employs at least one Section 608 certified technician
What does NOT require Section 608 certification? - ✅✅✅CORRECT -Rewiring a condenser fan
What refrigerant servicing does NOT require Section 608 certification? - ✅✅✅CORRECT -carbon
dioxide refrigerant
Which of the following is a lawful use of HCFC-22? - ✅✅✅CORRECT -Servicing existing R-22 systems
When servicing an R-22 system you CANNOT _______. - ✅✅✅CORRECT -top off the unit with R-
407C
How should disposable cylinders be discarded? - ✅✅✅CORRECT -Recover all remaining refrigerant,
render the cylinders useless, and recycle the metal.
Before disposing of any appliance containing refrigerant __________________. - ✅✅✅CORRECT -
recover the refrigerant
The EPA's "safe disposal requirements" make the __________________ responsible for ensuring that all
refrigerant has been removed from household refrigerators before they are disposed. -
✅✅✅CORRECT -final person in the disposal chain
All CFC, HCFC, and HFC refrigerant recovery devices must _________________. - ✅✅✅CORRECT -
meet EPA standards
