Am I exposed to nanomaterials? You need to find out if you are exposed to nanomaterials during your work. The scheme below can help you. Is the nanomaterial used in a closed system? Yes No Do other handlings (sampling, transfer, cleaning and maintenance, etc) also take place in a closed system? Yes No Do you work with a powder containing nanomaterial? Yes No Do you work with a fluid containing nanomaterial? Yes No Do you work with nanomaterial-containing objects? Yes No Do you operate machinery that interacts with or creates nanomaterials (sanding, drilling etc)? Yes No There is a risk of exposure to nanomaterials. Therefore, you need to determine the degree of exposure. You can do so by measuring it, using existing data or, in case you do not have these options, using a qualitative model. Determine how hazardous the material is. Can my nanomaterial cause negative health effects?You are not exposed to nanomaterials, except in case of a calamity.Most likely you are not handling nanomaterials, but are dealing with nanotechnology. You are probably not exposed to nanomaterials Exposure to nanomaterials is uncertain. Please consult the Frequently Asked Question about exposure. For guidance or contact Nanocentre. To FAQ