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IEC 61275

Radiation Protection Instrumentation - Measurement of Discrete Radionuclides in the Environment - In Situ Photon Spectrometry System Using a Germanium Detector

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Organization: IEC
Publication Date: 1 September 1997
Status: inactive
Page Count: 70
ICS Code (Radiation protection): 13.280
scope:

Scope and object

This International Standard is applicable to a portable or transportable photon spectrometry assembly using a germanium (Ge) detector to survey, in situ, generally at 1 m above ground level, areas in the environment for discrete radionuclides. Such equipment is used to make rapid assessments of activity levels and corresponding free air exposure rates from photon emitting radionuclides. Such measurements may be used to develop guidance for subsequent follow-on action, for example including radiological assessments, sampling and monitoring programmes. (This standard does not apply to airborne measurement systems, which are covered by a separate standard. See IEC 61134.)

This standard specifies for such an assembly the general characteristics, test methods for the evaluation of radiation characteristics, electrical, mechanical, safety and environmental characteristics specific to the applications described above. Advice is also provided in annexes as to the calibration, appropriate use and interpretation of the system for in situ measurements.

An in situ spectrometry system is a combination of instruments or subassemblies designed to measure, in situ, the flux of gamma rays incident on the detector, in order to rapidly survey areas for discrete radionuclides present in the soil or air, either natural or manmade.

The purpose of this standard is to specify the performance characteristics of assemblies intended for the determination of surface soil activity.

Accordingly, this standard

a) specifies the functions and performance characteristics of measuring assemblies, and

b) specifies the methods of test to be used to determine compliance with the requirements of this standard.

Document History

May 1, 2013
Radiation protection instrumentation – Measurement of discrete radionuclides in the environment – In situ photon spectrometry system using a germanium detector
Scope and object This International Standard is applicable to a portable or transportable photon spectrometry assembly using a high purity germanium (HPGe) detector to survey, in situ, generally at...
IEC 61275
September 1, 1997
Radiation Protection Instrumentation - Measurement of Discrete Radionuclides in the Environment - In Situ Photon Spectrometry System Using a Germanium Detector
Scope and object This International Standard is applicable to a portable or transportable photon spectrometry assembly using a germanium (Ge) detector to survey, in situ, generally at 1 m above...

References

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