The industry partners UPM and StoraEnso are providing and characterizing the nanocellulose test materials which are also included to the NANoREG “core materials”. Finnish Institute of Occupational Health is performing the in vitro and in vivo (inhalation) toxicity testing. Tukes has been involved in planning the testing and coordinated the Finnish national contributions (in WP4 and WP5) of Nanocellulose experiments together with industry partners Stora Enso and UPM and Finnish Institute of Occupational Health. The subcontract (€25.000/2013) on the regulatory interpretation of these experiments has been signed by Tukes and Finnish Institute of Occupational Health. The constant contributions to Finnish consortium have been handled and coordinated with frequent teleconferences.