Use of bioassays for the assessment of areas affected by phosphate industry wastes

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Martínez Sánchez, Maria José and Pérez Sirvent, Carmen and García Lorenzo, Mari Luz and Martínez López, S. and Bech Serra, Joan J and García Tenorio, R. and Bolívar, J. M. (2014) Use of bioassays for the assessment of areas affected by phosphate industry wastes. Journal of Geochemical Exploration, 147 . pp. 130-138. ISSN 0375-6742

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Official URL: http://dx.doi.org/10.1016/j.gexplo.2014.05.019




Abstract

Phosphogypsum (PG) is a waste product of the phosphoric acid production process and contains, generally, high activity concentrations of uranium series radionuclides. This study is a contribution towards a risk assessment in areas affected by phosphate industry in SW Spain, integrating information from soil physicochemical characteristics, total and soluble potentially toxic elements (Zn, Pb, Cd, Cu, As and Fe), mineralogical composition and ecotoxicological evaluation. The applied bioassays confirmed the soil toxicity categorisation and then, it is highly recommended to complement the results from environmental chemistry with results from bioassays, in order to provide a more complete and relevant information on the bioavailability of contaminants and to characterise the risk of contaminated areas.


Item Type:Article
Uncontrolled Keywords:Bioassay; Microtox; Phytotoxicity; Ostracods; Phosphogypsum; Phosphate industry
Subjects:Sciences > Geology > Geodynamics
Sciences > Geology > Mineralogy
ID Code:63665
Deposited On:20 Jan 2021 10:47
Last Modified:21 Jan 2021 09:07

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