Exam (elaborations)
EPA 608 Certification Core Practice Test Questions And Answers
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As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? - answer-July 1, 1992. What is the ozone layer and why is it important to us on Earth? - answer-Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stra...
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