Accreditation audit in a testing laboratory according to ČSN EN ISO/IEC 17025: 2018

This diploma thesis deals with the elaboration of a comprehensive internal audit proposal in testing laboratories for the needs of a Czech company engaged in the production of cleaning products. The aim of the work is to describe the current state in the selected testing laboratory in comparison with the standard ČSN EN ISO / IEC 17025: 2018, including complete documentation determining the scope of the testing laboratory. Subsequently, an internal audit was prepared and carried out, including the preparation of internal audit reports, evaluation and implementation of the conclusions of the testing laboratory. the resulting overview can serve testing laboratories as assistance in preparing for the accreditation audit according to the standard ČSN EN ISO / IEC 17025: 2018