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Fracking’s externalities Related Topics Science » Tech » By Ian Simpson WASHINGTON | Wed Jan 25, 2012 3:29pm EST WASHINGTON (Reuters) - Studying the potential health hazards of nanotechnology will require an additional $24 million a year to close the knowledge gap about the tiny particles used in a fast-growing array of consumer products, the National Research Council said on Wednesday. A new federal oversight agency is also required to integrate research by private business, universities and international groups, the non-profit research council said in a study sponsored by the U.S. Environmental Protection Agency. Nanotechnology involves designing and manufacturing materials on the scale of one-billionth of a meter. It is used in areas ranging from stain-resistant clothing and cosmetics to food additives. The sector's product sales were about $225 billion in 2009 and it is expected to expand rapidly in the next decade, said the study by the research council, a unit of the National Academy of Sciences. "Despite the promise of nanotechnology, without strategic research into emergent risks associated with it -- and a clear understanding of how to manage and avoid potential risks -- the future of safe and sustainable nanotechnology-based materials, products, and processes is uncertain," said the study by a committee of 19 scientists. There is insufficient understanding about the environmental, health and safety effects of engineered nanotechnology materials (ENMs). Little progress has been made on the health effects of ENMs that have been swallowed, inhaled or absorbed by humans, it said. There also has been little research on potential damage from more-complex ENMs that are expected to come into the market in the next decade. The federal Centers for Disease Control says there are indications "that nanoparticles can penetrate the skin or move from the respiratory system to other organs." "At this time, the limited evidence available suggests caution when potential exposures to nanoparticles may occur," the CDC says on its website. CHALLENGING MATERIALS Half of nanomaterials are made from ceramic nanoparticles, with another 20 percent each from carbon nanotubes and nanoporous materials, the report said. The complexity of ENMs and their coatings make them challenging to assess as risks. For example, a nanomaterial can change its surface properties depending on where it is, such as in lung fluid or air, the study said. The federal government has set aside $123.5 million in its 2012 budget for ENM safety research, and that level should remain stable for about five years, the report said. Public, private and international groups should designate another $5 million a year for collecting and disseminating information on ENM, and $10 million for instrumentation, it said. Investment in developing and providing benchmark nanomaterials should be from $3 million to $5 million a year. Identifying nanomaterials sources and developing research networks each need $2 million a year. All the new spending should be kept in place for five years, the report recommended. The panel called for replacing the National Nanotechnology Initiative, which coordinates federal agencies' investments in sector research and development, with a body that has the authority to direct federal safety research. The new body also should ensure that federal research is meshed with that from private business, universities and international organizations, it said. (Editing by Philip Barbara) Science Tech Tweet this Link this Share this Digg this Email Reprints We welcome comments that advance the story through relevant opinion, anecdotes, links and data. If you see a comment that you believe is irrelevant or inappropriate, you can flag it to our editors by using the report abuse links. Views expressed in the comments do not represent those of Reuters. For more information on our comment policy, see http://blogs.reuters.com/fulldisclosure/2010/09/27/toward-a-more-thoughtful-conversation-on-stories/ Comments (0) Be the first to comment on reuters.com. Add yours using the box above. 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