Abstract
The fallout of particles was examined in the vicinity of power plants fired by lignite or brown coal. The fallout was highest in the east and south-east sectors due to the predominating westerly and north-westerly winds. The fallout decreases with increasing distance from the source, depending on local factors. The average fallout in close vicinity (0–15 km) to the power plants was ∼50 t km −2 year −1. Brown coal contained elevated concentrations of Co, Cr and Zn, while lignite was found to be high in Cd and Ni. Fly ash was enriched in Co, Zn, Cr, Ni and Cd. The short-term experiments performed did not provide evidence that the fallout from brown-coal-fired power plants contributed significantly to the increased levels of Cd, Co, Ni, Cr and Zn in agricultural soil within 15 km of the power plants. The average Cd, Co and Zn contents of soil in Czechoslovakia are slightly below the values reported elsewhere.
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