EN ISO 16641-2016 环境中的放射性测量空气中氡220:用被动的固体核径迹探测器的平均活性浓度测定的综合测量方法(ISO 16641:2014)
Measurement of radioactivity in the environment - Air - Radon 220: Integrated measurement methods for the determination of the average activity concentration using passive solid-state nuclear track detectors