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EPA 608 Certification Core Practice Test Questions with 100% Correct Answers | Verified | Latest Update 2024 | Rated A+
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EPA 608 Certification Core Practice Test Questions with 100% Correct Answers | Verified | Latest Update 2024 | Rated A+ As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? July 1, 1992. What is the ozone layer and why is it important to us on Ear...
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