The workshop „Proficiency testing in chemistry” was held in the period of May 7-9, 2013, in Belgrade, Serbia, in Directorate of Measures and Precious Metals (DMDM), with technical support from EURAMET Focus Group, IPA Project and PTB, Germany. The workshop was organized by the Institute of Metrology of Bosnia and Herzegovina (IMBIH) and DMDM from Serbia. The trainers were Mr. Hugo Ent from VSL, Ms. Jelena Bebić from DMDM and Ms. Katarina Hafner from IMBIH.
The topics of the workshop were addressing the issues such as:

• making use of the information given in Proficiency Testing reports to document laboratory’s quality and suggest improvements
• organization (plan, preparation, report) a PT for participants
• preparation of a procedure for PT participation and for PT organization for their quality system of the laboratory
• statistical data treatment

There were 19 participants coming from Montenegro, Macedonia, Bosnia & Herzegovina, Croatia, Turkey, Poland and Serbia, mostly from NMIs. All participants received Certificates of participation in Technical Training Course “Proficiency Testing in Chemistry”.