Inter Laboratory Comparisons, Profificiency Testiting, Why and How?

Inter laboratory comparisons and Proficiency Testing are one of the most important elements of ISO/IEC 17025 standard. According to this standard, An Independent and regular assessment of the laboratory's technical performance is necessary to ensure the validity of the results And it should be considered as part of the laboratory quality strategy. Inter laboratory comparisons give the chance to laboratories not only will it validate its laboratory results, but also monitors its laboratory system and identify systematic errors and resolve them which leads to the trust of customers and their durability in the labor market. On the other hand, using inter laboratory comparisons, precision, accuracy and repeatability of data and test method are examined. And also, using it, we can compare new methods with approved methods and validate it.