ISO 16903:2015对液化天然气（LNG）和液化天然气行业使用的低温材料的特点提供指导。它还对健康和安全事项提供指导。其目的是作为实施液化天然气领域其他标准的参考文件。作为设计或运营LNG设施的人员使用的参考

ISO 16903:2015 gives guidance on the characteristics of liquefied natural gas (LNG) and the cryogenic materials used in the LNG industry. It also gives guidance on health and safety matters. It is intended to act as a reference document for the implementation of other standards in the liquefied natural gas field. It is intended as a reference for use by persons who design or operate LNG facilities.