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On November 24, 2021, the U.S. Environmental Protection Agency (EPA) proposed significant new use rules (SNUR) under the Toxic Substances Control Act (TSCA) for a number of chemical substances that were the subject of premanufacture notices (PMN) and are also subject to Orders issued by EPA pursuant to TSCA. 86 Fed. Reg. 66993. The…

On August 18, 2021, the U.S. Environmental Protection Agency (EPA) issued several significant new use rules (SNUR) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMN), including the chemical substance identified generically as multiwalled carbon nanotubes (PMN P-18-182). 86 Fed. Reg. 46133. The SNUR requires…

The Organization for Economic Cooperation and Development (OECD) has published the latest edition of the Developments in Delegations on the Safety of Manufactured Nanomaterials — Tour de Table.  The Tour de Table compiles information provided by delegations on the occasion of the 20th meeting of the OECD Working Party on Manufactured Nanomaterials (WPMN) in…

On September 17, 2020, the U.S. Environmental Protection Agency (EPA) published final significant new use rules (SNUR) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMN) and are subject to Orders issued by EPA pursuant to TSCA.  85 Fed. Reg. 57968.  The SNURs require persons who…

On May 4, 2020, the U.S. Environmental Protection Agency (EPA) published proposed significant new use rules (SNUR) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMN) and are subject to orders issued by EPA pursuant to TSCA.  85 Fed. Reg. 26419.  The SNURs require persons who…

The U.S. Environmental Protection Agency published a proposed rule on April 1, 2020, that would amend the significant new use rules (SNUR) for certain chemical substances that were the subject of a premanufacture notice (PMN) and a significant new use notice (SNUN), including functionalized multi-walled carbon nanotubes (MWCNT) (generic).  85 Fed. Reg. 18173.  This action…

The U.S. Environmental Protection Agency (EPA) issued final significant new use rules (SNUR) on November 25, 2019, for 22 chemical substances, including carbon nanomaterial (generic) (PMN P-10-366), that are the subject of premanufacture notices (PMN).  84 Fed. Reg. 64754.  Persons who intend to manufacture (defined by statute to include import) or process any of these…

On October 11, 2019, the U.S. Environmental Protection Agency (EPA) published proposed significant new use rules (SNUR) for 31 chemical substances, including multiwalled carbon nanotubes (generic), that were the subject of premanufacture notices (PMN).  84 Fed. Reg. 54816.  EPA notes that eight of the chemical substances are subject to orders under the Toxic Substances Control…

The U.S. Environmental Protection Agency (EPA) published a Federal Register notice on December 7, 2018, 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 premanufacture notices (PMN).  As reported in our October 10, 2018, blog item,…

The U.S. Environmental Protection Agency (EPA) is scheduled to publish a Federal Register notice on December 4, 2018, withdrawing significant new use rules (SNUR) promulgated under the Toxic Substances Control Act (TSCA) for 26 chemical substances, including carbon nanomaterial (generic), that were the subject of premanufacture notices (PMN).  As reported in our October 2, 2018,…