Level 2 - Details on Nanomaterials

• 1. What are nanomaterials?
• 2. How have nanomaterials been defined?
• 3. What are the key criteria for defining nanomaterials?
  • 3.1 Size
  • 3.2 Surface area
• 4. What other measurable properties of nanomaterials might be relevant?
  • 4.1 Surface modification
  • 4.2 Other physical or chemical characteristics
  • 4.3 Other distinctions between classes of nanomaterials
• 5. How might a definition work in practice?
• 6. Should there be variations or exceptions to the working definition?