Ground based in situ observations of sulphate_total at Nausta (NO0655R) using bulk_sampler. These measurements are gathered as a part of the following projects CAMP, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: sulphate_total in precip (mass_concentration_of_sulphate_total_in_precipitation), sulphate_total in precip (mass_concentration_of_sulphate_total_in_precipitation)