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EPA withdraws SNUR for single-walled carbon nanotubes

Date: 11/12/2018

The U.S. Environmental Protection Agency (EPA) published a Federal Register notice withdrawing significant new use rules (SNUR) promulgated under the Toxic Substances Control Act (TSCA) for 28 chemical substances, including single-walled carbon nanotubes that were the subject of pre-manufacture notices (PMN).

The Federal Register Notice can be accessed here.

As previously reported, the EPA issued the SNURs through a direct final rule in October 2018. The EPA states that it received adverse comments regarding the SNURs identified in the direct final rule, and is withdrawing them.

In October the EPA also issued proposed SNURs covering these 28 chemical substances. EPA states that it will address all adverse public comments in a subsequent final rule, based on the proposed SNURs.

Source: Bergeson & Campbell, P. C.

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Did you know?

100 nm is the size below which the EU recommendation of the definition of nanomaterials applies.