Ground based in situ observations of chloride at Kårvatn (NO0039R) using NA. These measurements are gathered as a part of the following projects CAMP, EMEP, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: chloride in aerosol (mass_concentration_of_chloride_in_dry_aerosol_particles_in _air)