Ground based in situ observations of low_vol_sampler at Westerland (DE0001R). These measurements are gathered as a part of the following projects HELCOM, CAMP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: antimony in pm10 (mass_concentration_of_antimony_in_pm10_in_air), cobalt in pm10 (mass_concentration_of_cobalt_in_pm10_in_air), copper in pm10 (mass_concentration_of_copper_in_pm10_in_air), iron in pm10 (mass_concentration_of_iron_in_pm10_in_air), manganese in pm10 (mass_concentration_of_manganese_in_pm10_in_air), vanadium in pm10 (mass_concentration_of_vanadium_in_pm10_in_air)