A quick methodology for the evaluation of preliminary toxicity levels in soil samples associated to a potentially heavy-metal pollution in an abandoned ore mining site.

Abstract:

:The risk assessment of pollution associated with metal extraction process is a social responsibility. The initial goal of this type of assessment should be the use of a methodology able to combine the use of easy application, low cost and high efficiency-techniques to provide the necessary information with the least amount of investment in time and money as possible. A suitable option maybe a combination of a simple, quick and reliable analytical technique such as PXRF with bioassays and chemometric tools like HCA, PCA or LDA as a viable approach to carrying out a preliminary estimation of phytotoxicity levels associated to the soil sampled in a metal-contaminated area. The method we propose has been shown to be a quick, economical and reliable tool for use in the first stages of environmental risk characterization in mining areas. Particularly, the use of root elongation (RE) as the classification criteria provides a viable approach for selecting the final samples (or zones) in which an "in-depth" investigation plan will be designed as part of a future remediation strategy.

journal_name

Chemosphere

journal_title

Chemosphere

authors

Morales Ruano S,Martín-Peinado FJ,Estepa Molina CM,Bagur-González MG

doi

10.1016/j.chemosphere.2019.01.123

subject

Has Abstract

pub_date

2019-05-01 00:00:00

pages

345-354

eissn

0045-6535

issn

1879-1298

pii

S0045-6535(19)30116-X

journal_volume

222

pub_type

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