Title: Vocabulary
Course: HET 190 EPA Certification Preparation > Section: HET 190 EPA Certification Preparation

Vocabulary

Terms

Term | Definitions
Chlorofluorocarbons (CFCs) | A class of refrigerants that contain only atoms of carbon, chlorine, and fluorine.
Clean Air Act | Designed to control air pollution on a national level.
Hydrochlorofluorocarbons (HCFCs) | Refrigerants made up of hydrogen, chlorine, fluorine, and carbon atoms.
ODP | Amount of degradation to the ozone layer a chemical can cause.
Ozone depletion | The destruction of the Earth's atmosphere which absorbs most of the Sun's UV radiation.
Ozone layer | A layer in Earth's atmosphere which absorbs most of the Sun's UV radiation.
Self-contained recovery | The process of using a machine to recover refrigerant from HVAC equipment.
Stratospheric ozone | Ozone layer that shields the Earth from the sun’s harmful ultraviolet radiation.
System-dependent recovery | The process of using an evacuated recover tank or the compressor of the equipment to recovery refrigerant from HVAC equipment.