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Denver School Of Nursing
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ISSA Final Exam With 100% Correct Answers 2023/2024
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November 14, 1994 - ANSWER	What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? 
Memorize it, ya'll. - ANSWER	1989- Montreal Protocol 
July 1 1992- 
 
Violation to vent CFCs or HCFCs Nov 15 1993- 
Recovery/Recycling equipment must be certified and labeled by EPA AND 
Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg 
After this date recovery equipment needs to be capable ...
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