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Updated: Aug 2, 2026

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera
Published on: January 30, 2020
International Commission on Radiological Protection: 1978 Stockholm meeting
The International Commission on Radiological Protection (ICRP) updated its 1978 recommendations, introducing "effective dose equivalent" and refining radiation risk estimates at low doses. This statement also outlined upcoming reports on radiation safety for workers.
Area of Science:
- Radiological Protection
- Radiation Safety
Background:
- The International Commission on Radiological Protection (ICRP) released its 1978 recommendations (ICRP Publication 26).
- Subsequent research and considerations necessitated clarifications and modifications to these guidelines.
Purpose of the Study:
- To explain and modify aspects of the ICRP's 1978 recommendations.
- To outline the ICRP's ongoing and future work program.
- To address emerging scientific understanding of radiation effects.
Main Methods:
- Review and discussion of existing ICRP recommendations.
- Incorporation of new estimates of radiation risk at low dose levels.
- Introduction and definition of the term "effective dose equivalent".
Main Results:
- Clarifications and modifications to ICRP Publication 26 were issued.
- The concept of "effective dose equivalent" was introduced.
- Estimates of radiation risk at low dose levels were refined.
Conclusions:
- The ICRP's 1978 recommendations were subject to ongoing review and refinement.
- New terminology and risk assessments were integrated into radiological protection standards.
- The ICRP announced forthcoming publications to update guidance for radiation workers.
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