The use of Proficiency Tests in the context of he assessment of laboratories to the accreditation according to DIN EN ISO/IEC 17025 is regarded in this standard to ensure the quality of test and calibration results.
The Institut für Eignungsprüfung guarantees the professional conception and performance of bilateral and multilateral Proficiency Tests. The evaluation of the results is made on the basis of certified reference values or the consensus values determined from the results of the participants. During the development of the Proficiency Tests IfEP works together with experts.