indicating that considerable amounts of these nanoproducts entered the waste management system in 2011 (globally 23.7 9 103 Mg of polyester textiles, 715–1,430 Mg of sunscreen lotion and 313–825 Mg tennis racquets). Based on potential waste management practices and exposure routes, this could result in 0.8–5.6 Mg of nanosilver, 14–143 Mg nanoTiO2 and 0.5–1.2 Mg CNTs being released annually into the environment on a global scale. Based on the assessment framework, potential environmental exposure from solid waste related to the three nanoproducts was identified as: medium (polyester textiles),