Ground based in situ observations of filter_1pack at Råö (SE0014R). These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: nickel in aerosol (mass_concentration_of_nickel_in_dry_aerosol_particles_in _air), vanadium in aerosol (mass_concentration_of_vanadium_in_dry_aerosol_particles_in _air)