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Investigation strategy for the assessment of trigger values for soil protection

: Hund-Rinke, K.; Dreher, P.; Rüdel, H.; Terytze, K.

Forschungszentrum Karlsruhe GmbH:
Contaminated soil 2000. Vol.2 : Proceedings of the Seventh International FZK/TNO Conference on Contaminated Soil, 18 - 22 September 2000, Leipzig, Germany
London: Telford Publishing, 2000
ISBN: 0-7277-2954-3
International Conference on Contaminated Soil <7, 2000, Leipzig>
Conference Paper
Fraunhofer IUCT ( IME) ()
availability; biological test procedure; contaminated soil; ecological effect; environmental risk; heavy metal; risk assessment; soil protection; trigger value

For the assessment of contaminants with respect to soil organisms a novel test approach was applied taking into account that under realistic conditions contaminants in soils are subject to aging processes, and that characteristic accompanying contaminants may occur (e. g. a mixed PAH contamination instead of a pure impact by benzo(a)pyrene). Highly contaminated soils from industrial sites, mainly polluted with one contaminant, were mixed with two different uncontaminated soils to achieve the desired concentrations. The effect on micro-organisms, nematodes, earthworms and plants was tested.