Martínez Sánchez, María JoséGarcía Lorenzo, María de la LuzPérez Sirvent, CarmenGonzález, EvaPérez,VíctorMartínez, SalvadoraMartínez, LucíaMolina, José2024-12-192024-12-192014-10-06Martínez-Sánchez, María José, et al. «Heavy Metal Immobilisation by Limestone Filler in Soils Contaminated by Mining Activities: Effects on Metal Leaching and Ecotoxicity». International Journal of Mining, Reclamation and Environment, vol. 28, n.o 6, noviembre de 2014, pp. 414-25, https://doi.org/10.1080/17480930.2014.967919.1748-093010.1080/17480930.2014.967919https://hdl.handle.net/20.500.14352/113091The leachability and ecotoxicity of potentially toxic elements (PTE) eluting from technosols formed of soils affected by mining activities and limestone filler were evaluated. A total of four contaminated soils affected by opencast mining were selected and mixed with limestone filler at three percentages: 10, 20 and 30 %, providing 12 stabilised samples. Total and soluble PTE content (As, Cd, Cu, Fe, Pb and Zn) was determined in all the samples and the Microtox® bioassay was applied to determine the ecotoxicological effect. The stabilised material had a neutral pH and low soluble PTE concentration. Moreover, the ecotoxicological assay indicated the presence of low toxicity levels in the stabilised samples. The applied bioassay can be considered a good tool for the screening of PTE contamination in areas affected by mining activities, while providing information about possible attenuation processes.engAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/journal article1748-0949https://doi.org/10.1080/17480930.2014.967919https://www.tandfonline.com/doi/full/10.1080/17480930.2014.967919restricted access631.4:504.5(460.33)potentially toxic elementsLimestone fillerEcotoxicitymining activityimmobilisationenvironmental riskEdafología (Geología)2511 Ciencias del Suelo (Edafología)