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Exploring the assessment of ecotoxicity in soils using batch test combined with biotic ligand models

5 May 2022, 14:07

The results indicate a strong pH-dependent toxicity of the free metal ions in the soil extracts. Using pH-adjusted Cu2+ and Zn2+ concentrations in soil extracts, the toxic responses in spiked soils and field-contaminated soils were similar. This indicates a potential for the calibrated models to assess toxic effects in field-contaminated soils. Consequently, evaluation of a standardized 0.001 M CaCl2 batch test with a simplified BLM can provide the basis for an easy-to-use tool for site-specific risk assessment of metal toxicity to soil organisms.

Charlotta Tiberg, Erik Smolders, Mats Fröberg, Jon Petter Gustafsson, Dan Berggren Kleja, Combining a Standardized Batch Test with the Biotic Ligand Model to Predict Copper and Zinc Ecotoxicity in Soils, Environ Toxicol Chem 2022;00:1–14. https://setac.onlinelibrary.wiley.com/doi/10.1002/etc.5326

Page was updated 2022-05-05
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