Comparison of solid and liquid-phase bioassays using ecoscores to assess contaminated soils

Lors, Christine; Ponge, Jean‐François; Aldaya, Maite M.; Damidot, D.

doi:10.1016/j.envpol.2011.04.028

Cited by 34 publications

(32 citation statements)

References 30 publications

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“…That classification system aimed at the integration of ecotoxicity data obtained in a battery of bioassays as describe by Lors et al [68]. The classification system is based on two values: a ranking in five acute toxicity classes and a weight score for each toxicity class.…”

Section: Hazard Classification According To Ecotoxicitymentioning

confidence: 99%

Use of ecotoxicity test and ecoscores to improve the management of polluted soils: case of a secondary lead smelter plant

Foucault

Durand

Tack

et al. 2013

Journal of Hazardous Materials

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OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an author-deposited version published in : http://oatao.univ-toulouse.fr/ Eprints ID : 11346 a b s t r a c tWith the rise of sustainable development, rehabilitation of brownfield sites located in urban areas has become a major concern. Management of contaminated soils in relation with environmental and sanitary risk concerns is therefore a strong aim needing the development of both useful tools for risk assessment and sustainable remediation techniques. For soils polluted by metals and metalloids (MTE), the criteria for landfilling are currently not based on ecotoxicological tests but on total MTE concentrations and leaching tests. In this study, the ecotoxicity of leachates from MTE polluted soils sampled from an industrial site recycling lead-acid batteries were evaluated by using both modified Escherichia coli strains with luminescence modulated by metals and normalized Daphnia magna and Alivibrio fischeri bioassays. The results were clearly related to the type of microorganisms (crustacean, different strains of bacteria) whose sensitivity varied. Ecotoxicity was also different according to sample location on the site, total concentrations and physico-chemical properties of each soil. For comparison, standard leaching tests were also performed. Potentially phytoavailable fraction of MTE in soils and physico-chemical measures were finally performed in order to highlight the mechanisms. The results demonstrated that the use of a panel of microorganisms is suitable for hazard classification of polluted soils. In addition, calculated eco-scores permit to rank the polluted soils according to their potentially of dangerousness. Influence of soil and MTE characteristics on MTE mobility and ecotoxicity was also highlighted.

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Section: Hazard Classification According To Ecotoxicitymentioning

confidence: 99%

Use of ecotoxicity test and ecoscores to improve the management of polluted soils: case of a secondary lead smelter plant

Foucault

Durand

Tack

et al. 2013

Journal of Hazardous Materials

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“…Nowadays, heavy metals are among the most important pollutants in source and treated water, and they are becoming a severe public health problem (Lors et al 2011;Ozdemir et al 2012). Heavy metal solutions are widely used in industrial activities such as metal finishing, electroplating, painting, dying, photography, surface treatment, printed circuit board manufacture, etc.…”

Section: Introductionmentioning

confidence: 99%

The Use of Fungal BiomassAgaricus bisporusImmobilized on Amberlite XAD-4 Resin for the Solid-Phase Preconcentration of Thorium

Özdemir

Okumuş

Dündar

et al. 2014

Bioremediation Journal

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Solid-phase extraction method was developed for the preconcentration of thorium (Th). Fungal biomass Agaricus bisporus was immobilized to Amberlite XAD-4 as solid-phase sorbent. The critical parameters such as pH of the sample solution, flow rate of the sample, volume of the sample, and the effect of major ions that affect the preconcentration of thorium in this system were evaluated. The optimum pH for the sorption of Th is 6.0, and quantitative elution occurs with 1.0 mol L −1 HCl. The loading capacity was determined as 0.079 mmol g −1 . The optimized method was validated through analysis of the certified reference material of tea leaves (NCS ZC73014) and successfully applied to the determination of Th in a real ore sample with satisfactory results.

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“…Direct toxic effects on terrestrial organisms may reflect the ecotoxicological potential of contaminated soils (Fent 2003;Lors et al 2010), whereas soil organic extracts may lead to an overestimation of the real bioavailability of organic pollutants (Alexander 1991). A combined approach using terrestrial and aquatic bioassays gave satisfactory results from the viewpoint of ecological relevance (Lors et al 2011).…”

Section: Introductionmentioning

confidence: 99%

“…The second goal is to confirm the robustness of a method previously defined by Lors et al (2011), in order to evaluate the environmental risk through the calculation of an ecoscore. It was thus applied in the present article to two polluted soils, in order to check its robustness.…”

Section: Introductionmentioning

confidence: 99%

“…Data on the factory soils used for the present study have been already presented in Lors et al (2011), but they have been reanalysed for the present article, in order to standardize the Ecoscore System (ES) for more user-friendly comparisons between soils. In order to allow a better appraisal of the interest of the ES method to ESPR readers and to facilitate comparison with similar studies, data obtained on the soils under study, as well as the methods we used to analyse them from a chemical and ecotoxicological point of view, will be presented in the foregoing chapters.…”

Section: Introductionmentioning

confidence: 99%

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Environmental hazard assessment by the Ecoscore system to discriminate PAH-polluted soils

Lors

Ponge

Damidot

2017

Environ Sci Pollut Res

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A bioassay battery-integrated index was applied to different soils sampled from a former coke factory, with the aim to evaluate the discriminating capacity of the Ecoscore system (ES) to assess the environmental hazard of PAH-polluted soils. Two soils from a former coke factory, polluted with polycyclic aromatic hydrocarbons (PAHs), were evaluated for their ecotoxicity to terrestrial and aquatic organisms and their genotoxicity. These soils have been already presented in a previous paper but data have been reanalyzed for the present article in an endeavor to standardize the ES. One soil was sampled in the untreated site and the second underwent a windrow treatment. While these soils had a similar total concentrations of US-EPA 16PAHs (around 3000 mg kg), different ecoscores were obtained when subjected to a set of solid- and liquid-phase bioassays measuring acute, chronic, and genotoxic effects. The total PAH content of the soil is not a pertinent parameter to assess soil pollution hazards contrary to the ES. ES is a robust method to classify soils according to their toxicity level. Four levels of toxicity have been defined: no (ecoscore = 0), weak (0 < ecoscore ≤33), moderate (33 < ecoscore ≤67), and strong toxicity (67 < ecoscore ≤ 100). The combination of chemical and toxicological data highlights the relationship between three-ring PAHs and acute ecotoxicity. Conversely, chronic effects of water extracts on algal growth could be explained by high molecular weight PAHs, such as five- and six-ring PAHs.

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Comparison of solid and liquid-phase bioassays using ecoscores to assess contaminated soils

Cited by 34 publications

References 30 publications

Use of ecotoxicity test and ecoscores to improve the management of polluted soils: case of a secondary lead smelter plant

Use of ecotoxicity test and ecoscores to improve the management of polluted soils: case of a secondary lead smelter plant

The Use of Fungal BiomassAgaricus bisporusImmobilized on Amberlite XAD-4 Resin for the Solid-Phase Preconcentration of Thorium

Environmental hazard assessment by the Ecoscore system to discriminate PAH-polluted soils

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