本标准规定了性能要求，并为安装的辐射入口监测器（RPM）提供了测试和评估标准，这些监测器通过监测人员、包装、容器和车辆来检测光子和中子发射放射性物质。 ANSI N42规定了具有放射性核素识别能力的入口监测器的性能要求。38标准[B19]。ANSI N42规定了移动和可移动系统的性能要求。43标准[B20]。

This standard establishes the performance requirements and provides the testing and evaluation criteria for installed radiation portal monitors (RPMs) that detect photon- and neutron-emitting radioactive substances by monitoring people, packages, containers, and vehicles. Performance requirements for portal monitors with radionuclide identification capabilities are addressed by the ANSI N42.38 standard [B19]. Performance requirements for mobile and transportable systems are addressed by the ANSI N42.43 standard [B20].