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Radioactivity services

Environmental radiation

Assessing the performance of the radioactivity measurement community in the UK

These exercises started in 1989, with the increase in public concern about radioactivity in the environment, particularly after the Chernobyl accident. The aim was to assess the performance of the radioactivity measurement community in the UK. More recently, participation in the exercises has become an important aspect of UKAS accreditation in this field. The exercises are run on an annual basis by NPL.

The samples are dispatched to the participants, who are given approximately four months to analyse the samples and submit the results to us.

The next exercise will be the twenty-fourth in a series of similar exercises to have been conducted by NPL.

Activity Date
Order online 1 October 2018
Dispatch of samples
(subject to licences and controls being in place)
1 November 2018 - 31 January 2019
Deadline for submission of results 28 June 2019
Report to be issued August 2019
Discussion forum at UK National Conference on Applied Radiation Metrology November 2019

If you have any technical queries regarding this PTE, please contact us.  

Should you have any feedback regarding the operation of this PTE, or if you wish to appeal against NPL's assessment of your measurement performance, please contact the NPL Corporate Assurance Team – Quality

NPL ERPTE 2018 reporting form

NPL ERPTE 2018 techniques form

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