SAE J 2776
Refrigerant Purity and Container Requirements for New HFC-134a 1,1,1,2~Tetrafluoroethane Refrigerant Used in Mobile Air-Conditioning Systems
This SAE Standard applies to new refrigerant used in motor vehicle passenger air-conditioning (A/C) systems designed to use HFC-134a. Hermetically sealed, refrigerated cargo systems are not covered by this document.