Fate and behaviour of phenanthrene in the natural and artificial soils.

Hofman, Jakub and Rhodes, Angela and Semple, Kirk T. (2008) Fate and behaviour of phenanthrene in the natural and artificial soils. Environmental Pollution, 152 (2). pp. 468-475. ISSN 0269-7491

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OECD artificial soil has been used routinely as a standardized substrate for soil toxicity tests. However, can be the fate, behaviour and effects of contaminants in artificial soil extrapolated to natural soils? The aim of our study was to verify this hypothesis by comparing the loss, extraction, and bioavailability of phenanthrene in three artificial and three natural soils of comparable organic carbon content. Soils were spiked with C-14-phenanthrene and total C-14-activity change, the fractions extracted by dichloromethane, 70% ethanol, and hydroxypropyl-beta-cyclodextrin, the fraction mineralized by Pseudomonas sp., and taken up by Enchytraeus albidus were measured after 1, 14, 42, and 84 d aging. The loss, extraction, biodegradation and uptake were several times lower in the artificial than natural soils and these differences increased with increasing soil-phenanthrene contact time. These results imply that artificial soil should be used cautiously for the prediction of fate and behaviour in natural soils. (C) 2007 Elsevier Ltd. All rights reserved.

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Journal Article
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Environmental Pollution
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27 Oct 2008 13:42
Last Modified:
18 Sep 2023 00:04