We just put out a paper in the journal Environmental Science & Technology about "Limited waterborne acute toxicity of native polycyclic aromatic compounds from coals of different types compared to their total hazard potential".
Wiebke Meyer of the University of Münster, Germany, has done part of her PhD thesis in our labs. She tested different types of coals for their toxic potential due to the contained natural PAH. Effects were recorded for extracts as well as the native coals samples using nematodes and zebrafish as test organisms.
Whereas the extracts - representing the overall hazardous potential - gave strong effectiveness in both test systems, no toxicity of the native samples was found, and thus the bioavailable contaminant fraction. Importantly, the results were independent of coal properties.
Find the publication here.
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