In June 2018, oil examination laboratory of LEPL Levan Samkharauli National Forensic Bureau successfully completed the International Qualification Test certified by the Institute of Interlaboratory Studies (ILS) of the Netherlands and received a Certificate of Excellence.
IIS is an independent organization, which conducts interlaboratory studies in various fields (certificate tests, cross checks, joint control) for analytical laboratories of more than 100 Member States.
IIS submitted an unknown sample of engine oil, which was determined by ISO 17025 accredited parameters specified in the international standards: acid and base number by potentiometric, color, density, flash point in open and closed cups, foam tendency/ stability, kinematic viscosity at 40/100C, viscosity index, apparent viscosity at -30C, pour point.