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ISO 17043


We recognise that regular quality control assessments are crucial to ensure a high quality output of phytoplankton data. Accreditation of this Proficiency Testing scheme under ISO 17043 is programmed for 2022. All our work is carried out following, and to the technical and managerial standard requirements for PT schemes (ISO17043). The data is statistically analysed using the statistical methods as laid out in ISO13528 ‘Statistical methods for use in PT by interlaboratory comparisons’. We use the statistical database software ProLab Plus from QuoData to do the statistical evaluation of the participants’ data.

ISO 17043: Conformity assessment — General requirements for proficiency testing

“This International Standard specifies general requirements for the competence of providers of proficiency testing schemes and for the development and operation of proficiency testing schemes. These requirements are intended to be general for all types of proficiency testing schemes, and they can be used as a basis for specific technical requirements for particular fields of application.”