Office of Chemical Safety and Pollution Prevention

In a May 25, 2010, letter to the U.S. Environmental Protection Agency (EPA) Office of Chemical Safety and Pollution Prevention (OCSPP), the Silver Nanotechnology Working Group (SNWG) expressed its concern regarding the pending Office of Pesticide Programs (OPP) interpretation concerning the regulation of nanoscale pesticide products. In its letter, SNWG states that the new interpretation, which