Nanoparticles sold as germ killers to be regulated by EPA

2 February 2007

As per the recent news posted at Washington Post on 23rd Nov 06, the environmental protection agency (EPA) has decided to regulate certain products containing nanoparticles of silver. The decision has been taken to avoid unanticipated risk to the environment. Silver in microscopic nanoparticle form is being used widely for various applications including germ or bacteria killer. The decision of environmental protection agency will thus have impact on various products that uses silver containing nanoparticles including air fresheners, shoe liners, storage containers etc.

Many environmentalists were concerned about the risks posed by these silver containing nanoparticles as it may be washed down and kill many beneficial bacteria and thus increases the risk to not only the environment but to human health also. This is one of the first step to look into the beneficial uses of nanotechnology and correctly outweigh the benefits and the risks of the technology to the environment and human health.

In the initial phase only the germ killer using silver nanotechnology have been focused. Environment Protection Agency (EPA) have clarified that any company wishing to sell a specific germ killer will have to provide scientific evidence that the product does not pose any risk to environment. The product will further be evaluated under EPA’s pesticide program and EPA will ensure that the product is not going to damage the aquatic environment.

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