EPA Certification Exam All Answers Correct
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EPA Certification Exam All Answers Correct 
1. Which types of refrigerants are recognized for containing significant amounts of chlorine? - CFCs 
2. When did it become illegal to intentionally release Class 1 and Class 2 refrigerants into the air? - As of July 1, 1992 
3. Which refrigerants are noted for having minimal ozone depletion potential? - HFCs 
4. What molecule found in CFCs and HCFCs contributes to the destruction of the ozone layer in the 
stratosphere? - Chlorine 
5. What i...