ISO 15859-13:2004规定了呼吸空气成分的限值，并确定了适用于呼吸空气成分验证的取样和试验要求。 ISO 15859-13:2004适用于空间系统以及飞行硬件和地面支持设施、系统和设备的吹扫和增压用呼吸空气的取样和试验方法。ISO 15859-13:2004可适用于流入的呼吸空气。 ISO 15859-13:2004适用于确保流体进入运载火箭或航天器时，流体成分符合下文规定的限值或为特定用途商定的任何技术规范所需的任何取样操作。

ISO 15859-13:2004 specifies limits for the composition of breathing air and establishes the sampling and test requirements applicable for the verification of the breathing air composition. ISO 15859-13:2004 is applicable to sampling and test methods for breathing air intended for purging and pressurization of space systems as well as flight hardware and ground support facilities, systems, and equipment. ISO 15859-13:2004 may be applied to influent breathing air. ISO 15859-13:2004 is applicable to any sampling operation required to ensure that, when the fluid enters the launch vehicle or spacecraft, the fluid composition complies with the limits provided hereafter or with any technical specification agreed to for a particular use.