Blood thallium level in 148 subjects employed in Zinc and Lead Works, Miasteczko Śląskie, and permanently exposed to secondary dusting, was investigated. Blood thallium concentration was found to range from 0.127 to 4.942 µG/cm3 and to be relative to the period of occupation, age of subjects, and their addiction to smoking.
The post-mining area of Dąbrowskie Coal Basin is highly contaminated with toxic metals such as Cd, Pb, and Zn. In our previous research Heuchera cv. 'Purple Petticoats' has shown the ability to Pb uptake and effective transport into leaves. The purpose of this experiment was to check whether the time of cultivation and use of nutrients would change the reaction of plants to Pb uptake in soil with low-level pollution (75 mg·kg-1). Pb content was analyzed in soil and plant tissues. Young plants (11 months old) absorb more Pb but stop it in their roots. Contrarily, plants grown for three consecutive seasons in one place were characterized by BAF~0.5 and TF~0.5. Pb amount in soil on plots where fertilizer was used was reduced by 9%, and without fertilizing by 20%.
The mainly purposes this paper to compare the atmospheric air contamination in different localities depending on the winter and summer season of the year, with use of the enrichment factor and the Principal Component Analysis. The lack of a clear correlation between the enriching coefficients of Pb and Cd as well Cr and Ni may indicate that over the town area masses of the air from different directions can displace and as well, some close range sources of contamination can effect it. At present, the ecotoxicological estimations established for particular contaminated areas should include the information of the similarities of metal occurrence on the base of PCA analysis.
Oznaczono zawartość wybranych metali ciężkich w 75 gatunkach krajowych roślin leczniczych. Zbadano współwystępowanie metali w roślinach. Wyznaczono wartości współczynnika wzbogacenia i indeksu geokumulacyjnego dla badanych roślin.
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