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@INPROCEEDINGS{Hill:173057,
      author       = {Hill, Peter and Froning, Martina},
      title        = {{Q}uality {A}ssurance of {T}esting {M}ethods at {CIMB}-{J}},
      reportid     = {FZJ-2014-06470},
      year         = {2014},
      abstract     = {QUALITY ASSURANCE OF TESTING METHODS AT CIMB-JP.Hill,
                      M.FroningForschungszentrum Jülich GmbH, S, 52425 Jülich,
                      GermanyIntroduction: The Competent Incorporation Measurement
                      Body at Jülich (CIMB-J) is notified for in-vivo and
                      in-vitro assessments of internal dose in the surveillance of
                      occupational radiation workers. Activities within this
                      testing field are accredited according to the German
                      adaption of ISO/IEC 17025:2005. Details on CIMB-J itself is
                      subject of another contribution to this conference. Here the
                      quality assurance of testing methods at CIMB-J is described.
                      Testing methods: Testing methods used to assess the
                      incorporation of radionuclides include ICP-MS, Low-Level
                      Beta counting, LSC, Alpha spectrometry and whole-body
                      counting. A wide range of Alpha-, Beta-, Gamma- and other
                      emitters is covered by these methods.Quality assurance:
                      CIMB-J puts a lot of effort into assuring the quality of its
                      testing results. High demands on the quality of test methods
                      such as the accuracy and traceability of test results
                      require a systematic quality assurance. As well as internal
                      measures as external measures are applied.Traceability: An
                      important element of QA is traceability of results. Special
                      care must be taken in in-vitro monitoring where generally
                      excreta samples are shipped by dispatch. The documentation
                      includes (1) personal-, sample and monitoring data and
                      coding of data, (2) characterization of excreta samples and
                      (3) registration of essential analytical steps performed. In
                      in-vivo monitoring documentation of personal and monitoring
                      data is associated with the appearance in person of the
                      proband at the laboratory and generally done in advance of
                      the measurement.Internal laboratory measures: Routine
                      operational tests of the measuring systems are an essential
                      part of QA measures. These are periodic function checks,
                      periodic verification of the measuring systems, regular
                      examination of background measurements and energy
                      calibrations as well as blank value controls of chemical
                      substances used. They cover a broad range from temperature
                      controls (easy to be done) over checking vacuum pumps up to
                      periodic verification of background and detection
                      efficencies. For the whole-body counter the results of daily
                      measurements with a reference source are documented in a
                      database. Such the long-term behavior of certain parameters,
                      e.g. energy drifts, can be observed.External laboratory
                      measures: External QA is performed by participation in
                      laboratory intercomparisons on a national and international
                      level for direct and indirect measurements. Depending on the
                      test, the internal dose assessment is also included. These
                      activities are organized and evaluate by external experts,
                      e.g. the German Federal Office for Radiation Protection or
                      the PROCORAD organization. Final remark: The measures for
                      quality assurance involve substantial technical and
                      organizational complexity. The high costs in terms of time
                      and finances are justified by the resulting reliabilty of
                      testing methods, by documented proof of expertise and by
                      high customer satisfaction.},
      month         = {Sep},
      date          = {2014-09-24},
      organization  = {VI International Conference
                       'Semipalatinsk Test Site, Radiation
                       Legacy and Development Perspectives,
                       Kurchatow (Kazakhstan), 24 Sep 2014 -
                       26 Sep 2014},
      subtyp        = {After Call},
      cin          = {S-B / S-BI},
      cid          = {I:(DE-Juel1)S-B-20090406 / I:(DE-Juel1)S-BI-20100518},
      pnm          = {899 - ohne Topic (POF2-899)},
      pid          = {G:(DE-HGF)POF2-899},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/173057},
}