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Forty years on: how radiological protection has evolved internationally.
1International Commission on Radiological Protection, SE-171 16 Stockholm, Sweden.
Summary
The field of radiological protection has seen significant advancements over 40 years, with international bodies growing in influence and occupational exposures decreasing. However, concerns about
Area of Science:
- Radiological Protection
- Radiation Safety
- International Health Regulations
Background:
- The Society for Radiological Protection (SRP) was founded 40 years ago, during which time international radiation safety organizations have significantly evolved.
- Key international bodies like the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) and the International Atomic Energy Agency (IAEA) have become major resources.
- Regional entities such as Euratom and the OECD Nuclear Energy Agency have also developed significantly.
Observation:
- The International Commission on Radiological Protection (ICRP) has expanded its focus from occupational health to include public and patient protection, and is now considering non-human species.
- Non-ionizing radiation protection, through the International Commission on Non-Ionizing Radiation Protection (ICNIRP), emerged as a significant area later in this period.
- Average occupational radiation exposures have decreased, and regulatory frameworks have improved globally.
Findings:
- Radiation protection efforts have led to a marked decrease in average occupational exposures and a low number of accidents.
- Most countries now align their regulations with recommendations from the ICRP and ICNIRP, supported by robust regulatory infrastructures.
- A growing concern is the security of 'orphan sources' outside the nuclear fuel cycle, particularly in healthcare and non-nuclear industries.
Implications:
- The success in reducing occupational exposures and establishing regulatory frameworks highlights the effectiveness of international cooperation in radiation safety.
- Increased awareness and the rise of 'orphan sources' necessitate a greater focus on security measures for radioactive materials in diverse settings, including hospitals and industrial applications.
- Future efforts in radiological protection must address the security of radioactive sources beyond the nuclear fuel cycle to ensure comprehensive safety and prevent potential misuse.