EPA Announces Registration of Nanosilver Pesticide Product

EPA Pesticide Program Updates
From EPA’s Office of Pesticide Programs


May 19, 2015

In This Update:

EPA Announces Registration of Nanosilver Pesticide Product
EPA has issued a registration for a nanosilver-containing antimicrobial pesticide product named “NSPW-L30SS,” or “Nanosilva.” This silver-based product will be used as a non-food-contact preservative to protect plastics and textiles from odor- and stain-causing bacteria, fungi, mold and mildew. Items to be treated include, for example, household items, electronics, sports gear, hospital equipment, bathroom fixtures and accessories. EPA’s decision was based on its evaluation of the hazard of nanosilver after reviewing exposure data and other information on nanosilver from the applicant, as well as data from the scientific literature. These data show that plastics and textiles treated with NSPW-L30SS release exceedingly small amounts of silver. Based on this evaluation, the Agency determined that NSPW-L30SS will not cause unreasonable adverse effects on people, including children, or the environment and that it would be beneficial because it will introduce less silver into the environment than competing products. EPA is also requiring the company to generate additional data to refine the Agency’s exposure estimates.
On August 27, 2013, EPA posted a proposed registration decision document to the docket for public comment. Responses to these comments along with the current decision document will be posted soon at www.regulations.gov in Docket ID # EPA-HQ-OPP-2012-0594.

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