On March 23, 2016 the European Chemicals Agency (ECHA), the European Commission’s (EC) Joint Research Centre (JRC), and the Dutch National Institute for Public Health and the Environment (RIVM) published a new guidance document on the grouping of different nanoforms of the same substances in hazard assessment. The document “offers regulators, researchers, industry and NGOs an approach of how to scientifically justify that studies on one nanoform of a substance can be used to predict the hazard properties of other forms of the same substance,” ECHA stated in a press release. The presented approach “may allow for a hazard assessment of several nanoforms of the same substance, minimizing the testing needed including testing on animals, and therefore also minimizing costs,” ECHA further notes. This approach shall form a cornerstone in the development of future guidance on hazard assessment of nanoforms at EU and OECD level.

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ECHA (March 23, 2016). “New approach on hazard assessment for nanoforms.

NIA (March 23, 2016). “ECHA releases new guidance on nanoform grouping and hazard assessment.


ECHA, JRC & RIVM (March 2016). “Usage of (eco)toxicological data for bridging data gaps between and grouping of nanoforms of the same substance – Elements to consider.(pdf)