Refrigerant handling rules and recovery procedures tested on the EPA Section 608 technician certification exam.
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- What is EPA Section 608 certification?
- A federal certification required for technicians who handle, recover, or dispose of refrigerants in air conditioning and refrigeration systems.
- Name the three certification types under EPA 608.
- Type I (small appliances), Type II (high-pressure systems), Type III (low-pressure systems).
- What is Type I EPA 608 certification for?
- Small appliances containing 5 pounds or less of refrigerant, such as window units and mini-splits.
- What is Type II EPA 608 certification for?
- High-pressure appliances over 5 pounds, including most commercial and industrial refrigeration systems.
- What is Type III EPA 608 certification for?
- Low-pressure appliances using medium and low-pressure refrigerants, primarily large centrifugal chillers.
- What does CFC stand for?
- Chlorofluorocarbon, a refrigerant that depletes ozone and is banned for new equipment.
- What does HCFC stand for?
- Hydrochlorofluorocarbon, a transition refrigerant with lower ozone depletion potential than CFCs, being phased out.
- What does HFC stand for?
- Hydrofluorocarbon, a refrigerant with no ozone depletion potential but a high global warming potential.
- What is ozone depletion potential (ODP)?
- A measure of a refrigerant's ability to deplete stratospheric ozone, with CFC-11 defined as 1.0.
- What is the Montreal Protocol?
- An international treaty signed in 1987 to protect the ozone layer by phasing out ozone-depleting substances.
- What is the Clean Air Act Title VI?
- The U.S. federal statute that requires EPA 608 certification and regulates refrigerant recovery and disposal.
- What is EPA-approved recovery equipment?
- Equipment rated to recover refrigerant to the EPA standard of 10 mmHg absolute pressure for high-pressure systems or 4 mmHg for low-pressure systems.
- What is the difference between recycling and reclamation of refrigerant?
- Recycling removes moisture and acid on-site; reclamation restores refrigerant to virgin specifications in a certified facility.
- Are technicians allowed to knowingly release refrigerant to the atmosphere?
- No, it is prohibited by the Clean Air Act Title VI.
- What is a de minimis refrigerant release?
- Small amounts of refrigerant released incidentally during connection/disconnection of fittings, allowed if a good-faith effort is made to minimize release.