The EPA has released updated guidance on points to consider when preparing a TSCA new chemical notifications in response to comments received from the public and stakeholders.

The U.S. Environmental Protection Agency (EPA) is proposing revisions to the significant new uses of chemical substances under TSCA in order to "update and align these regulations with revisions to the Occupational Safety and Health Administration’s Hazard Communications Standard, the United Nations’ Globally Harmonized System of Classification and Labelling of Chemicals and with changes to the OSHA Respiratory Protection Standard and the National Institute for Occupational Safety and Health respirator certification requirements pertaining to respiratory protection of workers from exposure to chemicals".

The Environmental Protection Agency (EPA) has formally withdrawn Significant New Use Rules (SNURs) enacted under the Toxic Substances Control Act (TSCA) for functionalized carbon nanotubes (fCNTs).