Assessing toxicity of metal contaminated soil from glassworks sites with a battery of biotests

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Hagner , M , Romantschuk , M , Penttinen , O -P , Egfors , A , Marchand , C & Augustsson , A 2018 , ' Assessing toxicity of metal contaminated soil from glassworks sites with a battery of biotests ' , The Science of the Total Environment , vol. 613 , pp. 30-38 . https://doi.org/10.1016/j.scitotenv.2017.08.121

Title: Assessing toxicity of metal contaminated soil from glassworks sites with a battery of biotests
Author: Hagner, M.; Romantschuk, M.; Penttinen, O. -P.; Egfors, A.; Marchand, C.; Augustsson, A.
Contributor: University of Helsinki, Urban Ecosystems
University of Helsinki, Environmental Sciences
University of Helsinki, Environmental Sciences
Date: 2018-02-01
Language: eng
Number of pages: 9
Belongs to series: The Science of the Total Environment
ISSN: 0048-9697
URI: http://hdl.handle.net/10138/308076
Abstract: The present study addresses toxicological properties of metal contaminated soils, using glassworks sites in south-easternl Sweden as study objects. Soil from five selected glassworks sites as well as from nearby reference areas were analysed for total and water-soluble metal concentrations and general geochemical parameters. A battery of biotests was then applied to assess the toxicity of the glassworks soil environments: a test of phytotoxicity with garden cress (Lepidium sativum); the BioTox(TM) test for toxicity to bacteria using Vibrio fischeri; and analyses of abundancies and biomass of nematodes and enchytraeids. The glassworks-and reference areas were comparable with respect to pH and the content of organic matter and nutrients (C, N, P), but total metal concentrations (Pb, As, Ba, Cd and Zn) were significantly higher at the former sites. Higher metal concentrations in the water-soluble fraction were also observed, even though these concentrations were low compared to the total ones. Nevertheless, toxicity of the glassworks soils was not detected by the two ex situ tests; inhibition of light emission by V. fischeri could not be seen, nor was an effect seen on the growth of L. sativum. A decrease in enchytraeid and nematode abundance and biomass was, however, observed for the landfill soils as compared to reference soils, implying in situ toxicity to soil-inhabiting organisms. The confirmation of in situ bioavailability and negative effects motivates additional studies of the risk posed to humans of the glassworks villages. (C) 2017 Published by Elsevier B.V.
Subject: Metal contamination
Glassworks sites
Enchytraeids
Biotests
Bioavailability
PINE FOREST SOIL
CONIFEROUS FOREST
HOMEGROWN VEGETABLES
LEPIDIUM-SATIVUM
RISK-ASSESSMENT
SHOOTING RANGE
SOUTH MOROCCO
HEAVY-METALS
MINING SITES
FOOD-WEB
1172 Environmental sciences
1181 Ecology, evolutionary biology
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