建立校准和使用α/β气体比例计数器的标准方法，包括测量其特性。适用于用于测定样品计数中放射性核素的α射线或β射线发射率的α/β气体比例计数系统。

Establishes standard methods for calibration and use of alpha/beta gas proportional counters, including measurement of their characteristics. Applies to alpha/beta gas proportional counting systems used for the determination of the alpha-ray or beta-ray emission rates of radionuclides in sample counting.