Ground based in situ observations of low_vol_sampler at Pallas (Matorova) (FI0036R). These measurements are gathered as a part of the following projects AMAP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: aluminium in pm10 (mass_concentration_of_aluminium_in_pm10_in_air), arsenic in pm10 (mass_concentration_of_arsenic_in_pm10_in_air), cadmium in pm10 (mass_concentration_of_cadmium_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), vanadium in pm10 (mass_concentration_of_vanadium_in_pm10_in_air), zinc in pm10 (mass_concentration_of_zinc_in_pm10_in_air)