EPA Certification Exam QUESTIONS AND ANSWERS 100% CORRECT AND UPDATED!

Which Refrigerants contain the most chlorine? - ANSWERCFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? - ANSWERJuly 1, 1992 Which Refrigerants have the lowest zone depletion potential? - ANSWERHFC's The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the stratosphere is: - ANSWERChlorine Stratospheric ozone consists of: - ANSWERThree oxygen atoms Stratospheric ozone depletion is a _________ problem: - ANSWERGlobal The Gas in the stratosphere that protects us from ultraviolet radiation is: - ANSWEROzone Which refrigerant is a CFC? - ANSWERR-12 Which refrigerant is an HCFC? - ANSWERR-123 & R-22 Which refrigerant is an HFC? - ANSWERR-134a