* و في يوليو 2003 أصدرت وكالة حماية البيئة الأمريكية أول التماس لدراسةٍ بحثيةٍ في مجال تأثيرات تقنية الصغائر، تحت عنوان: "Exploratory Research to Anticipate Future Environmental Issues - Part 2: Impacts of Manufactured Nanomaterials on Human Health and the Environment.
* In July 2003 the United States Environmental Protection Agency issued the first research solicitation in the area of nanotechnology impact, "Exploratory Research to Anticipate Future Environmental Issues - Part 2: Impacts of Manufactured Nanomaterials on Human Health and the Environment.