Procedure to obtain samples for the determination of environmental radioactivity. Part 1: Soils, not deep layers.
获取环境放射性测定样品的程序 第1部分:土壤 而非深层

2002-01-14

Procedure to obtain samples for the determination of environmental radioactivity. Analytical methods. Part 2: Rest beta activity index in water by proportional counter.
获取环境放射性测定样品的程序 分析方法 第2部分:通过比例计数器测定水中的静息β-活性指数

2003-05-30

Procedure for the maintenance and preparation of soil samples for the determination of environmental radioactivity.
环境放射性测定用土壤样品的维护和制备程序

2002-03-21