Radioisotope Identification System (RadIS) performance assessment results

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Authors
  1. Brown, J.
  2. Desrosiers, M.
  3. Erhardt, L.
  4. Inrig, E.
  5. Jones, A.
  6. Jones, T.
  7. Waller, D.
  8. Watson, I.
Corporate Authors
Defence Research and Development Canada, Ottawa Research Centre, Ottawa ON (CAN)
Abstract
Eight radioisotope identification (RIID) systems have been evaluated for the Canadian Armed Forces (CAF) to support the Radioisotope Identification System (RadIS) procurement project, which is led by the Directorate of Chemical, Biological, Radiological and Nuclear Defence (D CBRN D) [1]. Three of the eight systems are CAF in-service RIID systems: the GR-135N, Syclone, and Interceptor. The other five are commercial-off-the-shelf (COTS) systems: the Thermo RIID-EyeX, Berkeley Nucleonics Corporation (BNC) 945 SAM III, FLIR RadHunter, Radiation Solutions Incorporated Super RIID SR-10, and Smiths RadSeeker. The in-service systems were evaluated to determine the current CAF baseline RIID performance, and the COTS thallium-doped sodium iodide (NaI(Tl)) scintillator systems were evaluated to determine whether currently-available NaI(Tl)-based systems are sufficient to meet the CAF’s RIID requirements. None of the RIIDs tested scored high enough in all the sub-tests to satisfy the relevant ANSI [2] or IEC [3] standards. Although none of the five COTS NaI(Tl) RIIDs achieved a high score on all the sub-tests, we determined that the overall performance of two of them was sufficient for most CAF radiological/nuclear (RN) identification tasks. These two COTS RIIDs significantly outperformed the best in-service CAF RIID: scores of 77% and 78%, compared to 56%. As long as the RIID that is procured is at least as good as these two, then the CAF should be well served.

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Keywords
radiation;radiation detection;radioisotope;radioisotope identification;sodium iodide;scintillator
Report Number
DRDC-RDDC-2016-R182 — Scientific Report
Date of publication
01 Sep 2016
Number of Pages
87
DSTKIM No
CA043397
CANDIS No
804705
Format(s):
Electronic Document(PDF)

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