Assuring the Quality of Test Results in the Fieldof Nuclear Techniques and Ionizing Radiation.The Practical Implementation of Section 5.9 ofthe EN ISO/IEC 17025 Standard

摘要

The paper aims to present a practical approach for testing laboratories to ensure thequality of their test results. It is based on the experience gained in assessing a large number oftesting laboratories, discussing with management and staff, reviewing results obtained innational and international PTs and ILCs and exchanging information in the EA laboratorycommittee. According to EN ISO/IEC 17025, an accredited laboratory has to implement a programme toensure the quality of its test results for each measurand. Pre-analytical, analytical and post-analytical measures shall be applied in a systematic manner. They shall include both qualitycontrol and quality assurance measures. When designing the quality assurance programme a laboratory should consider pre-analyticalactivities (like personnel training, selection and validation of test methods, qualifyingequipment), analytical activities ranging from sampling, sample preparation, instrumentalanalysis and post-analytical activities (like decoding, calculation, use of statistical tests orpackages, management of results).