What must a technician do after recovering refrigerant from an R-123 chiller and before opening it for a major repair?
Recovery requirements · EPA 608 Type III. The correct answer, and the reasoning behind it.
Evacuation levels for low-pressure appliances, and major versus non-major repairs.
The question
What must a technician do after recovering refrigerant from an R-123 chiller and before opening it for a major repair?
- Get written permission from the building owner
- Send a sample of the recovered refrigerant to a lab for analysis
- Verify the required evacuation level has been reachedCorrect answer
- Notify EPA within 30 days of the repair
Why “Verify the required evacuation level has been reached” is correct
40 CFR 82.156(a) says a technician must verify that the applicable level of evacuation has been reached in the appliance, or in the part being serviced, before it is opened. Recovering to a reading once is not enough if the pressure has not been confirmed.
Source: 40 CFR 82.156(a)
Why the other answers are wrong
- Get written permission from the building owner — Owner permission is not what 40 CFR 82.156(a) requires before opening.
- Send a sample of the recovered refrigerant to a lab for analysis — Lab analysis is part of reclamation, not a step before opening the appliance.
- Notify EPA within 30 days of the repair — There is no EPA notice required before opening an appliance for repair.
Practice more of this
More EPA 608 Type III practice questions, or see every EPA 608 practice test.
Unofficial, not affiliated with the EPA or any EPA-approved certifying organization. Questions are original practice written from public EPA material, not real exam questions.