INTERLABORATORY COMPARISONS AS EVIDENCE BASE FOR THE COMPETENCE OF LABORATORIES

Abstract

In the article the questions connected with current requirements of test laboratories in terms of proficiency test by interlaboratory comparison (comparative) the test (PT) were considered. The comparability of international and Russian approaches in the choice of periodicity and the principle of the formation of a plan for the participation of accredited laboratories in proficiency testing given the scope of the accreditation area, examples of documents of the accreditation bodies international accreditation system ILAC and the national accreditation body of the Federal service for accreditation is shown. Highlighted the importance of PT in the quality control of test results, especially for those laboratories which are involved in study of products exported to various countries, including those which included in the Register of certification bodies and testing laboratories (centers) of the Customs Union carrying out assessment of conformity of products to requirements of technical regulations of the Eurasian economic Union (Customs Union). Attention is drawn to the options for the organization of proficiency testing providers of PT, or of participating laboratories, as well as the possibility of using the results of the comparison in practice of laboratories to assess their competence by accreditation bodies, but also in the everyday practice of quality management and evidence of the effectiveness of the quality management system.