Ground based in situ observations of low_vol_sampler at Harwell (GB0036R). 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: aluminium_27 in aerosol, antimony in aerosol (mass_concentration_of_antimony_in_dry_aerosol_particles_in _air), arsenic in aerosol (mass_concentration_of_arsenic_in_dry_aerosol_particles_in _air), barium in aerosol (mass_concentration_of_barium_in_dry_aerosol_particles_in _air), beryllium in aerosol (mass_concentration_of_beryllium_in_dry_aerosol_particles_in _air), cadmium in aerosol (mass_concentration_of_cadmium_in_dry_aerosol_particles_in _air), chromium in aerosol (mass_concentration_of_chromium_in_dry_aerosol_particles_in _air), cobalt in aerosol (mass_concentration_of_cobalt_in_dry_aerosol_particles_in _air), copper in aerosol (mass_concentration_of_copper_in_dry_aerosol_particles_in _air), iron_57 in aerosol (mass_concentration_of_iron_in_dry_aerosol_particles_in _air), lead in aerosol (mass_concentration_of_lead_in_dry_aerosol_particles_in _air), lithium in aerosol (mass_concentration_of_lithium_in_dry_aerosol_particles_in _air), manganese in aerosol (mass_concentration_of_manganese_in_dry_aerosol_particles_in _air), molybdenum in aerosol (mass_concentration_of_molybdenum_in_dry_aerosol_particles_in _air), nickel_58 in aerosol (mass_concentration_of_nickel_in_dry_aerosol_particles_in _air), nickel_60 in aerosol (mass_concentration_of_nickel_in_dry_aerosol_particles_in _air), ruthenium in aerosol (mass_concentration_of_ruthenium_in_dry_aerosol_particles_in _air), scandium in aerosol (mass_concentration_of_scandium_in_dry_aerosol_particles_in _air), selenium in aerosol (mass_concentration_of_selenium_in_dry_aerosol_particles_in _air), strontium in aerosol (mass_concentration_of_strontium_in_dry_aerosol_particles_in _air), tin in aerosol (mass_concentration_of_tin_in_dry_aerosol_particles_in _air), titanium in aerosol (mass_concentration_of_titanium_in_dry_aerosol_particles_in _air), tungsten in aerosol (mass_concentration_of_tungsten_in_dry_aerosol_particles_in _air), uranium in aerosol (mass_concentration_of_uranium_in_dry_aerosol_particles_in _air), vanadium in aerosol (mass_concentration_of_vanadium_in_dry_aerosol_particles_in _air), zinc in aerosol (mass_concentration_of_zinc_in_dry_aerosol_particles_in _air)