本文件描述了短寿命氡222衰变产物的综合测量方法[4]。它给出了测量空气中短寿命氡-222衰变产物的平均势能α浓度的指示和测量装置的使用条件。 本文件涵盖了从几周到一年不等的样本。本文件不适用于最大采样持续时间小于一周的系统。 所述测量方法适用于短寿命氡-222衰变产物的潜在α能量浓度大于10 nJ/m3且低于1 000 nJ/m3的空气样品。 注仅供参考，鉴于氡同位素222和220的行为相似，本文件还讨论了氡-220衰变产物的情况。

This document describes integrated measurement methods for short-lived radon？222 decay products^[4]. It gives indications for measuring the average potential alpha energy concentration of short？lived radon-222 decay products in the air and the conditions of use for the measuring devices. This document covers samples taken over periods varying from a few weeks to one year. This document is not applicable to systems with a maximum sampling duration of less than one week. The measurement method described is applicable to air samples with potential alpha energy concentration of short-lived radon-222 decay products greater than 10 nJ/m³ and lower than 1 000 nJ/m³. NOTE For informative purposes only, this document also addresses the case of radon-220 decay products, given the similarity in behaviour of the radon isotopes 222 and 220.