EPA 608 Core Test Sample Questions Complete Answer
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EPA 608 Core Test Sample Questions Complete Answers 
1. As of what date did it become unlawful to release Class 1 and Class II refrigerants into the 
atmosphere? - a. July 1, 1992 ️ 
2. What is the ozone layer and why is it important to us on Earth? - b. Protective shield for Earth from the sun's harmful ultraviolet (UV) rays in the stratosphere layer 
that extends about 6 to 30 miles above Earth ️ 
3. The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere...
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EPA 608 Core Test Sample Questions Complete Answer•EPA 608 Core Test Sample Questions Complete Answer
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