- F-Gas certification is (based on C&G 2079) & no longer applicable since June 2021.
- C&G 2079 is ONLY applicable to A1 class non-flammable. e.g. all CFC’s, HCFC R22 and most HFC like R407C, R410A, R134A, R466, R404, R513A etc since 1928
- C&G 6187-12 is extra certification required when handling A2L class🔥 flammable (R32, R454B) introduced in AC/HP in 2015 & A3 class 🔥/💥 flammable/explosive refrigerants (all HC such as R270, R290, R600a etc) introduced in 2005 .