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Logic and ethics in radiation protection.

B Lindell1

  • 1Swedish Radiation Protection Authority (SSI), Stockholm. bo.lindell@alfa.telenordia.se

Journal of Radiological Protection : Official Journal of the Society for Radiological Protection
|January 15, 2002
PubMed
Summary

The International Commission on Radiological Protection (ICRP) assumes a linear non-threshold (LNT) dose-response relationship. This requires including all doses, even small ones, in detriment assessments for radiation protection optimization.

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Area of Science:

  • Radiological Protection
  • Radiation Dosimetry
  • Risk Assessment

Background:

  • The International Commission on Radiological Protection (ICRP) currently accepts the linear non-threshold (LNT) model as the most probable dose-response relationship.
  • Ethical considerations and logical principles mandate the use of the full collective dose for detriment assessments and radiation protection optimization.

Purpose of the Study:

  • To examine the implications of the linear non-threshold (LNT) dose-response assumption on collective dose assessments.
  • To discuss the necessity of including all radiation doses, irrespective of size, in detriment evaluations.

Main Methods:

  • Review of ICRP guidelines and ethical principles regarding radiation protection.
  • Analysis of the impact of the LNT model on collective dose calculations.

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  • Consideration of uncertainties in future detriment assessment and the LNT assumption.

    • Main Results:

    • The LNT model necessitates the inclusion of even minor radiation doses in collective dose calculations when they collectively contribute significantly.
    • A pragmatic restriction of the integration period for collective doses over time is required due to uncertainties in future detriment estimation.
    • The precautionary principle suggests that uncertainties in the LNT model should not justify the exclusion of small doses.

    Conclusions:

    • Adherence to the LNT model and ethical standards requires comprehensive detriment assessment, including all contributing doses.
    • Balancing the inclusion of small doses with practical limitations due to temporal uncertainties is crucial for effective radiation protection.
    • The precautionary principle reinforces the need to account for all potential risks, underscoring the importance of not neglecting small radiation doses.