On September 29, 2022, the U.S. Environmental Protection Agency (EPA) issued final significant new use rules (SNUR) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMN), including multi-walled carbon nanotubes (MWCNT) (generic). 87 Fed. Reg. 58999. The SNUR requires persons who intend to manufacture
MWCNTs
EPA Proposes SNUR for Certain Multi-Walled Carbon Nanotubes
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…
ISO Standard Specifies Characteristics and Measurement Methods for Carbon Nanotube Suspensions
By Lynn L. Bergeson & Carla N. Hutton on
Posted in International, Research
The International Organization for Standardization (ISO) has published standard ISO/TS 19808:2020, “Nanotechnologies — Carbon nanotube suspensions — Specification of characteristics and measurement methods.” The standard specifies the characteristics to be measured of suspensions containing multi-walled carbon nanotubes (carbon nanotube suspensions). The standard includes the essential and additional characteristics of the carbon nanotube suspension,…
Recommendations on Priorities for IARC Monographs Include Multi-Walled Carbon Nanotubes, Nanomaterials
By Lynn L. Bergeson & Carla N. Hutton on
Posted in International, Legal/Regulatory Issues
An Advisory Group of 29 scientists from 18 countries met on March 25-27, 2019, to recommend priorities for the International Agency for Research on Cancer (IARC) Monographs program during 2020-2024. The Advisory Group assessed the response to a public call for nominations and considered more than 170 unique candidate agents, including the recommended priorities…
OECD Publishes Dossier Summaries for CNTs, Fullerenes, and Silicon Dioxide
By Lynn L. Bergeson & Carla N. Hutton on
The Organization for Economic Cooperation and Development (OECD) recently published several dossier summaries for nanomaterials tested as part of its Testing Program of Manufactured Nanomaterials. Under the Program, sponsors tested 11 nanomaterials for: nanomaterial information/identification; physical-chemical properties and material characterization; environmental fate; toxicological and eco-toxicological effects; environmental toxicology; mammalian toxicology; and material safety. The new…