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New US law could require toxicology tests on minerals

By John Ollett
Published: Monday, 20 February 2012

Clay minerals such as alumina bentonite, halloysite and kaolin to be affected

The US Environmental Protection Agency (EPA) is proposing a new rule that would compel producers of “multiwall carbon” nanotubes to conduct testing for toxic side effects to both people and the environment.

The...

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