Get reference gases
To ensure compatibility of of the ICOS observations with data from other global monitoring networks, the measurements need to be traceable to the respective WMO calibration scales. The CAL is responsible for providing real air reference gas standards for ICOS atmospheric observations. Calibration is done using a set of WMO laboratory standards
Please follow the instructions for ordering refence gases: Order instructions
The following table is not working yet. But this will be th aplace where you can find the concentrations of your gas cylinder.