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The U.S. Environmental Protection Agency (EPA) announced on July 2, 2020, that it registered NSPW Nanosilver as a new active ingredient that helps suppress odor-causing bacteria, and algae, fungus, mold, and mildew that can cause deterioration or staining in textiles.  EPA notes that NSPW Nanosilver is registered only for use in specified textiles, including fabrics, sportswear, footwear, linens, and awnings.  NSPW Nanosilver is the active ingredient in the pesticide product POLYGUARD-NSPW MASTER BATCH (Polyguard).  According to EPA, Polyguard will be formulated as a master batch, meaning that NSPW Nanosilver will be embedded within plastic beads or pellets.  EPA states that…