Fundamentals & Methods for Aerosol Sampling and Physical & Chemical
In-Situ Measurements
Date: Saturday March 14 to Friday March 20, 2026
Venue: National Atmospheric Observatory Kosetice, Czech Republic



The applications to the OCEC-2026-1 inter-laboratory comparison are now open (since Dec. 1st) and will remain open till 12 Jan. 2026.
We would like to inform you that participation is compulsory for laboratories submitting OC & EC data to EBAS.
For all applications use our dedicated web page, please
Newsletter
Operational Support | Instrument | Frequency | Modality of provision |
| Calibration Workshops at CAIS-ECAC | Microphysical & optical instruments | biannually | Call launched by CAIS-ECAC |
| Round-Robin-Tests at CAIS-ECAC | OC/EC Organic tracers Element analysis | annually | Call launched by CAIS-ECAC |
| NF audits | Not regular | Call launched by CAIS-ECAC |
Process