EPA 608 609 Type I 3 — Questions and Answers
Question 1: Recovery devices made after November 15, 1993 must be certified by an EPA-approved equipment testing organization to meet which standard?
- ARI 740 (Correct answer)
- ASHRAE 15
- UL 1995
- NIOSH 42
Correct answer: ARI 740
Post-1993 recovery equipment must be certified to the ARI (now AHRI) 740 standard by an approved laboratory.
Question 2: What is the leak-rate threshold that requires repair for comfort-cooling appliances? (general 608 knowledge)
- 10% (Correct answer)
- 20%
- 30%
- 35%
Correct answer: 10%
Comfort-cooling appliances with 50 or more pounds must be repaired when they leak at an annual rate of 10% or more.
Question 3: A technician evacuating a small appliance to 4 inches of vacuum is satisfying which requirement?
- The post-1993 recovery alternative (Correct answer)
- Final disposal certification
- Leak repair verification
- Self-contained reclamation
Correct answer: The post-1993 recovery alternative
Reaching 4 inches of mercury vacuum is the alternative to the 90% recovery requirement for post-1993 equipment.
Question 4: Before recovering refrigerant from a small appliance, the technician should do what with the recovery cylinder?
- Verify it is a DOT-approved recovery cylinder and not overfilled (Correct answer)
- Paint it gray
- Fill it with nitrogen
- Heat it to 150°F
Correct answer: Verify it is a DOT-approved recovery cylinder and not overfilled
Only DOT-approved recovery cylinders should be used, and they must never be filled beyond 80% of capacity.
Question 5: A recovery cylinder should never be filled beyond what percentage of its capacity?
- 60%
- 70%
- 80% (Correct answer)
- 95%
Correct answer: 80%
Recovery cylinders must not be filled above 80% to allow room for liquid expansion and prevent rupture.
Question 6: Who is responsible for ensuring that refrigerant is recovered before a small appliance is disposed of?
- The final person in the disposal chain who accepts it (Correct answer)
- Only the original manufacturer
- The EPA inspector
- The end-use homeowner only
Correct answer: The final person in the disposal chain who accepts it
The last person in the disposal chain must verify refrigerant recovery or have a signed statement that it was recovered.
Question 7: Refrigerant recovered from a small appliance and sent off-site to be returned to manufacturer specs must be processed by which entity?
- A certified reclaimer (Correct answer)
- Any HVAC shop
- The local landfill
- The refrigerant wholesaler
Correct answer: A certified reclaimer
Refrigerant returned to new-product purity (ARI 700) for sale to another owner must be processed by an EPA-certified reclaimer.
Recovery devices made after November 15, 1993 must be certified by an EPA-approved equipment testing organization to meet which standard?