Cadmium, lead, zinc and copper content in herbaceous …
Abstract Electricity and heat have been produced in Poland by the combustion of coal. Ash-slag, a by-product of this process, has been mainly deposited in landfills. Until the end of 2011, about 258 million tonnes of ash-slag have been deposited in landfills. Herbaceous plant and soil samples were taken from four directions (east, west, south and north) in …