NanoHarmony and NANOMET have published a status report summarizing the current status of projects aiming to develop or adapt Organization for Economic Cooperation and Development (OECD) Test Guidelines (TG) and Guidance Documents (GD) for nanomaterials, as well as the outlook for each project as of July 2022. The status report is intended to be a living document that will be updated regularly. A large part of the status report comprises activities in European Union (EU) projects like NanoHarmony, Gov4Nano, RiskGONE, and NANORIGO, and national projects that contribute within the Malta Initiative to the development of TGs and GDs for nanomaterials. Apart from the projects supported by the OECD Working Group of National Co-ordinators of the TGs program (WNT) or OECD Working Party on Manufactured Nanomaterials (WPMN), an additional number of standardization activities are presented that develop test methodologies for which the initiators foresee an OECD project status in the near future.

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