[Mercury in the country's Bay Bolete (Xerocomus badius) mushrooms].

Total mercury content have been determined in fruiting bodies of Bay Bolete and its underlying soil substrate collected from three spatially distant sites of the country--outskirts of the Mojusz village (Sierakowice Commune, Pomorskie Voivodeship), at the forest inspectorate Turek (Wielkopolskie Voiv.) and near the Lipie village at the Starachowickie forests (Swietokrzyskie Voiv.).