From October 29 to 30, at the GIM Zlokukjani location, the GIM Institute Laboratory team organized an interlaboratory comparison.

The interlaboratory comparison for a method in the environmental sector, specifically gravimetric measurement for determining the PM10 mass fraction of suspended particulate matter, was conducted to verify the accuracy of its measurements and results, as well as to maintain quality.

The participating laboratories included:
- Civil Engineering Institute “Macedonia” AD Skopje, Laboratory Department
- TEHNOLAB LLC Skopje, Environmental Testing and Occupational Safety Laboratory
- Farmahem LLC Skopje, Environmental Laboratory Testing Division
- CTS Industry Skopje, Laboratory for Environmental and Occupational Safety.