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®: CRE Regulatory Action of the Week

EPA Publishes TSCA Requirements for Carbon Nanotubes
On October 31, 2008, the U.S. Environmental Protection Agency published Federal Register notice of the Toxic Substances Control Act requirements potentially applicable to carbon nanotubes. This notice explains that EPA generally considers CNTs to be chemical substances distinct from graphite or other allotropes of carbon listed on the TSCA Inventory. Consequently, many CNTs may be new chemicals under TSCA section 5.

In a separate action, on November 3, 2008, EPA sent the following explanatory email to its nanotechnology regulation listserve:

"On Friday, October 31st, 2008, EPA issued a Federal Register notice regarding carbon nanotubes (CNTs). Please copy the following link to your browser to access the notice: The notice reminds manufacturers and importers that they must notify EPA 90 days prior to the manufacture or import of new chemical CNTs for commercial purposes, in accordance with TSCA Section 5 regulations for new chemicals at 40 C.F.R. 720.22. If CNT manufacturers or importers have any questions regarding their TSCA requirements, they should contact Jim Alwood at EPA at 202-564-8974 or"

  • Click here to read EPA’s Federal Register notice