The Organization for Economic Cooperation and Development (OECD) recently posted a new document in its Series on the Safety of Manufactured Nanomaterials, Developments on the Safety of Manufactured Nanomaterials:  2013.  The document compiles information provided by delegations, together with non-member economies, on current developments on the safety of manufactured nanomaterials.  According to the OECD, the document is intended to provide delegations with background information on activities related to manufactured nanomaterials, as well as other activities on nanotechnologies at the international level.  The information provided in the document captures activities that occurred in OECD delegations between February and December 2013.