EPTIS: The new European database of proficiency testing schemes for analytical laboratories

Quality represents a cornerstone in the credibility of analytical laborator ies. Their performance must be systematically checked through participation in proficiency testing schemes, co-ordinated by independent providers. The se establish the organisational arrangements and the interpretation of resu lts for evaluating the technical competence of the laboratories. The EPTIS database (European Proficiency Testing Information System) aims to establis h an important link between all potentially participating laboratories and proficiency testing scheme organisers, as well as the systematisation of al l relevant European information. This article describes the promotion of th is new database and how the proficiency testing schemes operate in Portugal . (C) 2001 Elsevier Science B.V. All rights reserved.