Lead, cadmium and mercury concentrations (dry weight) in soil and invertebrates

Lead, cadmium and mercury measurements were carried out on 206 carabid beetles, 135 earthworms, 96 slugs and 111 soil samples using the ICP-MS techniqu (Agilent 7500cx, Agilent Technologies, Waldbronn, Germany). Soil and invertebrate samples were collected from the end of May to the end of July and from mid-September to the end of October in 2007 in Croatia, and from mid-June to the end of July and in October in 2010 in Wales, UK.