车内空气质量对于驾驶员和乘客的健康和舒适至关重要。车内部件和材料中的挥发性有机化合物（VOCs）是车内空气污染的主要来源之一。因此，对车内部件和材料中VOCs的排放进行测量和评估是非常必要的。

ISO 12219-3:2012标准提供了一种测量车内部件和材料中VOCs排放的方法，即微型室法。该方法使用微型室对车内部件和材料进行测量，通过测量室内空气中VOCs的浓度变化，评估车内部件和材料的排放量。

该标准适用于所有类型的车辆，包括轿车、卡车、公交车等。测量的车内部件和材料包括座椅、地毯、内饰板、仪表板、门板等。测量的VOCs包括苯、甲苯、乙苯、二甲苯等。

ISO 12219-3:2012标准的实施需要一定的设备和技术支持。测量设备包括微型室、气相色谱仪等。测量过程需要严格控制温度、湿度等环境条件，以确保测量结果的准确性和可重复性。

该标准的实施可以帮助车辆制造商和供应商评估车内部件和材料的VOCs排放量，优化车内空气质量，提高驾驶员和乘客的健康和舒适度。

相关标准
- ISO 12219-1:2012 Interior air of road vehicles — Part 1: Whole vehicle test chamber — Specification and method for the determination of volatile organic compounds in cabin interiors
- ISO 12219-2:2012 Interior air of road vehicles — Part 2: Screening method for the determination of the emissions of volatile organic compounds from vehicle interior parts and materials — Small chamber method
- ISO 16000-9:2006 Indoor air — Part 9: Determination of the emission of volatile organic compounds from building products and furnishing — Emission test chamber method
- ISO 16000-10:2006 Indoor air — Part 10: Determination of the emission of volatile organic compounds from building products and furnishing — Sampling, preparation of test specimens and determination of volatile organic compounds emitted from building products and furnishing
- ISO 16000-11:2006 Indoor air — Part 11: Determination of the emission of volatile organic compounds from building products and furnishing — Sampling, preparation of test specimens and determination of formaldehyde and other carbonyl compounds