Lynn L. Bergeson, “Nanosilver Conditionally Registered as New Active Ingredient,” Pollution Engineering, February 2012.

In August 2010, EPA announced that it was considering allowing the Swiss company HeiQ Materials Ag to enter the U.S. market with a new nanosilver pesticide and textile preservative, HeiQ AGS-20. On Dec. 1, 2011, the EPA issued a conditional registration for a pesticide product.