Topic
Carbon Nanotubes
72 published works
Nano and Other Emerging Chemical Technologies Blog
EPA Proposes SNUR for Four Multi-Walled Carbon Nanotubes
By Lynn L. Bergeson, Carla N. Hutton
On October 31, 2022, 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…
Nano and Other Emerging Chemical Technologies Blog
JBCE Proposes Harmonization of the Classification of MWCNTs
By Lynn L. Bergeson, Carla N. Hutton
According to a September 29, 2022, press release, the Japan Business Council in Europe (JBCE) has proposed a harmonization of the classification of multi-walled carbon nanotubes (MWCNT) “based on the…
Nano and Other Emerging Chemical Technologies Blog
EPA Issues Final SNUR for Certain Multiwalled Carbon Nanotubes
By Lynn L. Bergeson, Carla N. Hutton
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…
Nano and Other Emerging Chemical Technologies Blog
ACGIH® Will Not Proceed with TLV® for Carbon Nanotubes in 2022
By Lynn L. Bergeson, Carla N. Hutton
As reported in our January 4, 2021, blog item, the American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee included carbon nanotubes on its…
Nano and Other Emerging Chemical Technologies Blog
ACGIH® TLV®-CS Committee Seeks Information on Carbon Nanotubes
By Lynn L. Bergeson, Carla N. Hutton
The American Conference of Governmental Industrial Hygienists (ACGIH®) Threshold Limit Values for Chemical Substances (TLV®-CS) Committee has included carbon nanotubes on its 2021 list of chemical substances and other issues…
Nano and Other Emerging Chemical Technologies Blog
TURI Calls for Information on Carbon Nanotubes and Carbon Nanofibers
By Lynn L. Bergeson, Carla N. Hutton
According to the Toxics Use Reduction Institute’s (TURI) website, the Toxics Use Reduction Act (TURA) Program in Massachusetts has received a petition to list carbon nanotubes (both single-walled and multi-walled)…
Nano and Other Emerging Chemical Technologies Blog
EPA Publishes Final SNUR for Carbon Nanotubes (Generic) (PMN P-15-54)
By Lynn L. Bergeson, Carla N. Hutton
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…
Nano and Other Emerging Chemical Technologies Blog
EPA Proposes SNUR for Carbon Nanotubes (Generic)
By Lynn L. Bergeson, Carla N. Hutton
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…
Nano and Other Emerging Chemical Technologies Blog
ISO Standard Specifies Characteristics and Measurement Methods for Carbon Nanotube Suspensions
By Lynn L. Bergeson, Carla N. Hutton
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…
Nano and Other Emerging Chemical Technologies Blog
NTP Publishes Technical Report on Toxicity Studies of 1020 Long Multiwalled Carbon Nanotubes
By Lynn L. Bergeson, Carla N. Hutton
On December 5, 2019, the National Toxicology Program (NTP) announced that the NTP Technical Report on the Toxicity Studies of 1020 Long Multiwalled Carbon Nanotubes Administered by Inhalation to Sprague…