CAR Code Compliance & Standards 3 — Questions and Answers
Question 1: The Montreal Protocol's Kigali Amendment, adopted in 2016, primarily targets the phase-down of which class of substances?
- Chlorofluorocarbons (CFCs)
- Hydrochlorofluorocarbons (HCFCs)
- Hydrofluorocarbons (HFCs) (Correct answer)
- Perfluorocarbons (PFCs)
Correct answer: Hydrofluorocarbons (HFCs)
The Kigali Amendment added HFCs to the Montreal Protocol phase-down schedule because of their high global warming potential.
Question 2: Which OSHA standard sets permissible exposure limits (PELs) and requires hazard communication for refrigerant chemicals handled by appliance recycling workers?
- 29 CFR 1910.119
- 29 CFR 1910.1200 (Correct answer)
- 29 CFR 1910.147
- 29 CFR 1910.134
Correct answer: 29 CFR 1910.1200
OSHA's Hazard Communication Standard (29 CFR 1910.1200) requires Safety Data Sheets and labeling for chemical hazards including refrigerants.
Question 3: When a CAR-certified facility decommissions a chest freezer, R-134a recovery must continue until the system pressure reaches what minimum standard?
- 0 psig
- −4 psig (300 mm Hg absolute) (Correct answer)
- 15 psig
- Atmospheric pressure only
Correct answer: −4 psig (300 mm Hg absolute)
EPA recovery requirements for systems below 200 lbs require evacuation to −4 psig (or 300 mm Hg absolute) when the compressor is functioning.
Question 4: Which regulation requires appliance manufacturers to disclose the energy consumption of new appliances through the yellow EnergyGuide label?
- EPCA / FTC Appliance Labeling Rule (Correct answer)
- TSCA Section 6
- RCRA Subtitle C
- CAA Section 608
Correct answer: EPCA / FTC Appliance Labeling Rule
The FTC Appliance Labeling Rule (implementing EPCA) mandates yellow EnergyGuide labels showing estimated annual energy costs.
Question 5: A recycler receives a commercial refrigeration unit built in 1993 containing CFC-12. Under EPA rules, how must the refrigerant be handled?
- It may be vented since CFCs are no longer produced
- It must be recovered and sent to a certified reclaimer (Correct answer)
- It must be destroyed on-site immediately
- It can be mixed with R-134a for disposal
Correct answer: It must be recovered and sent to a certified reclaimer
All CFCs, including R-12, must still be recovered and sent to an EPA-certified reclaimer regardless of their production ban status.
Question 6: Under EPA's Significant New Alternatives Policy (SNAP), what is the primary purpose of the program for appliance recyclers to understand?
- It sets scrap metal pricing standards
- It approves or prohibits substitute refrigerants in specific end-uses (Correct answer)
- It certifies technicians for refrigerant handling
- It establishes landfill disposal requirements
Correct answer: It approves or prohibits substitute refrigerants in specific end-uses
SNAP evaluates and lists acceptable and unacceptable substitutes for ozone-depleting substances in specific end-uses to protect health and the environment.
Question 7: Which ASTM standard covers testing methods for the purity of reclaimed refrigerants to ensure they meet ARI 700 specifications?
- ASTM D6664
- ASTM E220
- ASTM D86
- ASTM E1334 (Correct answer)
Correct answer: ASTM E1334
ASTM E1334 provides test methods for identifying refrigerants by gas chromatography, supporting verification against AHRI 700 purity standards.
CAR Code Compliance & Standards 3
The Montreal Protocol's Kigali Amendment, adopted in 2016, primarily targets the phase-down of which class of substances?