Exam (elaborations)
EPA 608 Certification exam 2023 with 100% correct answers
- Course
- Institution
July 1, 1992 As of what date did it become unlawful to release class 1 and class 2 refrigerants to the atmosphere? R-12 What refrigerant is a Chloro-fluoro-carbons (CFC)? R1-2-3 and R-22 Which refrigerants are Hydro-chlorofluoro-carbons (HCFC) ? Chlorine monoxide The molecu...
[Show more]