Exam (elaborations)
EPA Certification Exam |100 Questions and Answers(A+ Solution guide)
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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 re...
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