Guidance to users

Summary
Various methods for the characterisation and quantification of key descriptors are developed in ACEnano and are available from other projects A guidance scheme for the selection and efficient use of the most appropriate methods according to the specific risk assessment requirements of both regulators and industry will be established Synergies and compatibility with the decision flow scheme and the NanoDefiner etool under development in NanoDefine will be sought This task will be closely linked with the newly formed EFSA SC WG Guidance on the human animal and environmental risk assessment of the application of nanoscience and nanotechnologies in agrofoodfeed via the BfR member of the WG