EPA Certification | 100 Question with 100 % correct answers | Verified

Which Refrigerants contain the most chlorine? - CFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? - July 1, 1992 Which Refrigerants have the lowest zone depletion potential? - HFC's The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the stratosphere is: - Chlorine Stratospheric ozone consists of: - Three oxygen atoms Stratospheric ozone depletion is a _________ problem: - Global The Gas in the stratosphere that protects us from ultraviolet radiation is: - Ozone Which refrigerant is a CFC? - R-12 Which refrigerant is an HCFC? - R-123 & R-22 Which refrigerant is an HFC? - R-134a Which refrigerant contains no chlorine? - R-134a The Molecule found in the stratosphere that indicates stratospheric ozone depletion is taking place is: - Chlorine monoxide