本SAE标准适用于设计为使用HFC-134a的机动车乘客空调（A/C）系统中使用的新制冷剂。本文件不包括密封冷藏货物系统。

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.