Ground based in situ observations of PCB_153 at Storhofdi (IS0091R) using bulk_sampler. These measurements are gathered as a part of the following projects CAMP, AMAP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: PCB_153 in precip (mass_concentration_of_polychlorinated_biphenyl_153_in_precipitation)