Ground based in situ observations of elemental_carbon at Kosetice (NOAK) (CZ0003R) using filter_2pack. These measurements are gathered as a part of the following projects EMEP, CAMPAIGN and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: elemental_carbon in pm10 (mass_concentration_of_elemental_carbon_in_pm10_in_air)