Framework for Metals Risk Assessment

Fairbrother, Anne; Wenstel, Randall; Sappington, Keith; Wood, William R.

doi:10.1016/j.ecoenv.2007.03.015

Cited by 363 publications

(234 citation statements)

References 214 publications

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“…BCF varies depending on soil type and soil concentrations up to 50-fold or higher within the same metal (Ma, 1982;Wright and Stringer, 1980;Fairbrother et al, 2007). Consequently, values of BCFplants were determined site-specific in order to reduce the uncertainly of risk of metals associated with the food transfer.…”

Section: Application Of the Environmental Impact Methods 421 Exposumentioning

confidence: 99%

“…Thus, at NB, the main exposure pathway of As for livestock is accidental soil ingestion. It was due to its high soil concentration and its low BCFplants values, which increase the soil ingestion versus diet for metal exposure (Fairbrother et al, 2007). The relative importance of drinking water compared to soil ingestion contribution depended ⁎ Nearby sites (NB) are related with Csoil from columns filled with 50% diluted soil.…”

Section: Exposure Assessmentmentioning

confidence: 99%

“…Therefore, risk assessment based on total concentration seemed more appropriate in this first stage. Consequently, to exceed such levels does not mean that a high risk exists but that a site-specific risk assessment may be needed (Fairbrother et al, 2007).…”

Section: Risk Assessmentmentioning

confidence: 99%

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Screening risk assessment tools for assessing the environmental impact in an abandoned pyritic mine in Spain

Moreno-Jiménez

García‐Gómez

Oropesa

et al. 2011

Science of The Total Environment

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El acceso a la versión del editor puede requerir la suscripción del recurso Access to the published version may require subscription This paper describes a new methodology for assessing site-specific environmental impact of contaminants. The proposed method integrates traditional risk assessment approaches with real and variable environmental characteristics at a local scale. Environmental impact on selected receptors was classified for each environmental compartment into 5 categories derived from the whole (chronic and acute) risk assessment using 8 risk levels. Risk levels were established according to three hazard quotients (HQs) which represented the ratio of exposure to acute and chronic toxicity values. This tool allowed integrating in only one impact category all the elements involved in the standard risk assessment. The methodology was applied to an abandoned metal mine in Spain, where high levels of As, Cd, Zn and Cu were detected. Risk affecting potential receptors such as aquatic and soil organisms and terrestrial vertebrates were assessed. Whole results showed that impact to the ecosystem is likely high and further investigation or remedial actions are necessary. Some proposals to refine the risk assessment for a more realistic diagnostic are included.Published by Elsevier B.V.

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Section: Application Of the Environmental Impact Methods 421 Exposumentioning

confidence: 99%

Section: Exposure Assessmentmentioning

confidence: 99%

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Screening risk assessment tools for assessing the environmental impact in an abandoned pyritic mine in Spain

Moreno-Jiménez

García‐Gómez

Oropesa

et al. 2011

Science of The Total Environment

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“…However, interactions may play a major role in the uptake and metabolism of elements, and antagonism and/or synergism phenomena are important in determining the toxicity to organisms of soils containing several contaminants (Fairbrother et al, 2007). The interaction among multiple factors acting simultaneously may explain the poor correlations obtained when considering a single factor.…”

Section: Figure 3 Herementioning

confidence: 99%

“…This approach assumes that a certain concentration of a chemical in a living receptor is associated with an adverse biological effect (Pentinnen et al, 2011). However, uptake does not necessary mean toxicity because an organism may sequester metals and thus avoid their physiological effects (Fairbrother et al, 2007). Consequently, in some species, external metal concentrations may directly determine the toxic effects rather than internal concentrations.…”

Section: Introductionmentioning

confidence: 99%

Assessing the ecotoxicological effects of long-term contaminated mine soils on plants and earthworms: relevance of soil (total and available) and body concentrations

et al. 2014

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El acceso a la versión del editor puede requerir la suscripción del recurso AbstractThe interactions and relevance of the soil (total and available) concentrations, accumulation, and acute toxicity of several essential and non-essential trace elements were investigated to determine their importance in environmental soil assessment. Three plant species (T. aestivum, R. sativum, and V. sativa) and E. fetida were simultaneously exposed for 21 days to long-term contaminated soils collected from the surroundings of an abandoned pyrite mine. The soils presented different levels of As and metals, mainly Zn and Cu, and were tested at different soil concentrations (12.5, 25, 50, and 100% of contaminated soil/soil (w/w)) to increase the range of total and available soil concentrations necessary for the study. The total concentrations in the soils (of both As and metals) were better predictors of earthworm uptake than were the available concentrations. In plants, the accumulation of metals was related to the available concentrations of Zn and Cu, which could indicate that plants and earthworms accumulate elements from different pools of soil contaminants. Moreover, Zn and Cu, which are essential elements, showed controlled uptake at low concentrations. The external metal concentrations predicted earthworm mortality, whereas in plants, the effects on growth were correlated to the As and metal contents in the plants. In general, the bioaccumulation factors were lower at higher exposure levels, which implies the existence of auto-regulation in the uptake of both essential and non-essential elements by plants and earthworms.

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Analysis on bioaccumulation of metals in aquatic environment of Beas River Basin: A case study from Kanjli wetland

2017

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Wetlands, the biological filters of the Earth, play an important role in biochemical transformation of various pollutants. Wetland plants, in this direction, help in accumulating various contaminants from aquatic bodies. Considering this, the present study was planned to estimate different metals (Cd, Cu, Cr, Co, Fe, Pb, Zn, and Mn) in water, sediment, soil, and plant (4 aquatic and 12 terrestrial) samples of Kanjli wetland, Kapurthala, Punjab (India), and a Ramsar site. It was observed that the contents of Cd and Pb in water samples were higher than limits prescribed by Bureau of Indian standards. Bioaccumulation and translocation factors for various metals were also calculated. Although all the plant species were found to be hyperaccumulator for one or the other metal studied, maximum six metals (Cd, Co, Fe, Mn, Pb, and Zn) were bioaccumulated in Panicum antidotale among aquatic plant species while (Cd, Cu, Fe, Mn, Pb, and Zn) in Lantana camara and Ageratum conyzoids among terrestrial plants species. It is evident that all these plants have potential to phytoremediate various inorganic pollutants and can act as bioindicators. The physicochemical characteristics revealed high biochemical oxygen demand (BOD) and nitrate (NO3) contents and low dissolved oxygen (DO) in water samples while the high content of phosphates in soil and sediment samples.

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Framework for Metals Risk Assessment

Cited by 363 publications

References 214 publications

Screening risk assessment tools for assessing the environmental impact in an abandoned pyritic mine in Spain

Screening risk assessment tools for assessing the environmental impact in an abandoned pyritic mine in Spain

Assessing the ecotoxicological effects of long-term contaminated mine soils on plants and earthworms: relevance of soil (total and available) and body concentrations

Analysis on bioaccumulation of metals in aquatic environment of Beas River Basin: A case study from Kanjli wetland

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