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OECD workshop on the environmental assessment of metals
I recently contributed to a workshop organised by the OECD which was aimed at raising awareness of the various approaches that have been developed (mostly in Europe and North America) for performing hazard assessments for metals.
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Effects on iron on ecological communities
Mark and I have been working with the Iron industry to try to understand the effects of iron on aquatic ecosystems. We have been analysing extensive field monitoring data on the quality of invertebrate communities in rivers and relating this to the levels of different forms of iron (total, dissolved, or particulate) that are present.
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Can REACH PNECs be used as Environmental Standards for non-European Countries?
As a result of the December 2010 REACH registration deadline, a large amount of ecotoxicity data for chemicals will soon be available from ECHA via its REACH dissemination portal. Could the Predicted No-Effect Concentrations (PNECs) derived for REACH during registration be used as Environmental Quality Standards (Environmental Quality Guidelines) for non-European Countries?
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Soil Quality Standards for Trace Elements: Derivation, Implementation, and Interpretation
In 2008 a Society of Environmental Toxicology and Chemistry-sponsored Technical Workshop was held in Sydney, Australia. The book of the deliberations from this workshop has now been published.
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Environmental Quality Standards and Field Evidence
We have recently been using a new approach to derive an Environmental Quality Standard for iron from ecological field evidence. The approach has the potential to align acceptable levels of iron in the environment with established levels of ecological quality under the Water Framework Directive. This has never been possible before, and may allow a much greater degree of integration of chemical and ecological criteria for freshwater in the future.
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