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Health Phys. 2010 Nov;99(5):702-7. doi: 10.1097/HP.0b013e3181de04ec.

Requirements for radiation emergency urine bioassay techniques for the public and first responders.

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  • 1Radiation Protection Bureau, Health Canada, Ottawa, ON, K1A 1C1.


Following a radiation emergency, the affected public and the first responders may need to be quickly assessed for internal contamination by the radionuclides involved. Urine bioassay is one of the most commonly used methods for assessing radionuclide intake and radiation dose. This paper attempts to derive the sensitivity requirements (from inhalation exposure) for the urine bioassay techniques for the top 10 high-risk radionuclides that might be used in a terrorist attack. The requirements are based on a proposed reference dose to adults of 0.1 Sv (CED, committed effective dose). In addition, requirements related to sample turnaround time and field deployability of the assay techniques are also discussed. A review of currently available assay techniques summarized in this paper reveals that method development for ²⁴¹Am, ²²⁶Ra, ²³⁸Pu, and ⁹⁰Sr urine bioassay is needed.

[PubMed - indexed for MEDLINE]
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