Nano and Other Emerging Chemical Technologies Blog

On September 25, 2024, the National Institute for Occupational Safety and Health (NIOSH) posted a NIOSH Science Blog item entitled “Celebrating 20 Years of the Nanotechnology Research Center: Measuring the Small Things,” the final installment of the blog series commemorating the 20th anniversary of the Nanotechnology Research Center (NTRC). According to the item, when NTRC was created in 2004, one of its biggest challenges was understanding exactly what to measure and how to measure it....

The National Institute for Occupational Safety and Health (NIOSH) posted a blog item on August 1, 2024, entitled “When Nanoparticles Blow Up -- Explosion Hazards of Nanoparticles.” According to the blog item, little is known about the potential explosivity of any material when subdivided down to the nanoscale, prompting the NIOSH Nanotechnology Research Center (NTRC) to study the explosivity of several classes of nanoparticles: Nanocarbons: NIOSH screened single-walled carbon nanotubes,...

On July 1, 2024, the National Institute for Occupational Safety and Health (NIOSH) posted a NIOSH Science Blog item entitled “Celebrating 20 Years of the Nanotechnology Research Center: Highlights from Engineering Controls and Personal Protective Equipment,” part of a series commemorating the 20th anniversary of the Nanotechnology Research Center (NTRC). The item notes that NIOSH researchers “have conducted laboratory and field research to develop and implement science-based national...

On June 11, 2024, the U.S. Environmental Protection Agency (EPA) published proposed significant new use rules (SNUR) for certain chemical substances that were the subject of premanufacture notices (PMN) and are also subject to a TSCA Order, including multi-walled carbon nanotubes (generic) (P-21-216 and P-21-217). 89 Fed. Reg. 49121. The SNURs would require persons who intend to manufacture (including import) or process any of these chemical substances for an activity that is proposed as a...

The National Institute for Occupational Safety and Health (NIOSH) continues to celebrate the 20th anniversary of its Nanotechnology Research Center (NTRC). NIOSH highlights NTRC activities in the risk assessment of engineered nanomaterials in a June 3, 2024, NIOSH Science blog item entitled “NIOSH Risk Assessment of Engineered Nanomaterials.” The item notes that NTRC risk assessments were used in developing NIOSH recommended exposure limits (REL) for three different classes of nanomaterials...

The National Institute for Occupational Safety and Health (NIOSH) posted a NIOSH Science Blog item on May 2, 2024, entitled “The Nanotechnology Research Center Carbon Nanotube Registry.” The NIOSH Nanotechnology Research Center (NTRC) maintains a Carbon Nanotube Registry, a roster of U.S. workers employed in various carbon nanotube industries. The item states that NIOSH developed the registry to help researchers better understand the average level and range of exposures in U.S. workplaces...

The National Institute for Occupational Safety and Health (NIOSH) Nanotechnology Research Center’s (NTRC) Field Studies Team (the Team) evaluates advanced materials and processes in workplaces ranging from large manufacturers, research and development labs, and government facilities, to schools, libraries, and other non-industrial settings. An April 1, 2024, NIOSH Science Blog item entitled “Celebrating 20 Years of Research: Highlights From NIOSH’s Nanotechnology Research Center’s Field...

In a March 4, 2024, blog item entitled “Sweating the Small Stuff: 20 years of NIOSH Research on Engineering Controls for Nanotechnology,” the National Institute for Occupational Safety and Health (NIOSH) highlighted the control approaches that it has recommended, “based on extensive research on the pharmaceutical, coatings, and cosmetic industries”: General Safe Practices for Working with Engineered Nanomaterials in Research Laboratories (2012): Provides approaches to working with...

On February 1, 2024, the National Institute for Occupational Safety and Health (NIOSH) posted a NIOSH Science Blog item entitled “NIOSH Global Collaborations on Workplace Safety of Nanomaterials.” According to the blog item, NIOSH’s global collaboration efforts “build on the strong NIOSH [Nanotechnology Research Center (NTRC)] research and guidance efforts contributing to the global technical information and guidance about protecting workers and aim to facilitate international...

On January 3, 2024, the National Institute for Occupational Safety and Health (NIOSH) posted a NIOSH Science Blog item entitled “Looking to the Past and the Future of NIOSH Nanotechnology Guidance.” As the NIOSH Nanotechnology Research Center (NTRC) celebrates its 20th anniversary, it is looking back over two decades of published guidance to help reduce worker exposures to engineered nanomaterials and discussing the needs for future research efforts. The NTRC Strategic Plan NIOSH published...

On November 8, 2023, the National Institute for Occupational Safety and Health (NIOSH) published a report entitled Approaches to safe 3D printing: a guide for makerspace users, schools, libraries, and small businesses. According to NIOSH, use of three-dimensional (3D) printing technology is becoming a prominent part of the modern world. NIOSH notes that some 3D printer users have expressed concerns about potential exposures to ultrafine particles, chemicals, and safety hazards, however. NIOSH...

The European Union (EU) NanoSafety Cluster (NSC) announced on October 24, 2023, that it is conducting a survey on the implementation of nanosafety in workplaces. NSC states that the survey aims to gather insights on the current practices and challenges of implementing nanosafety in workplaces. According to NSC, responses will help shape recommendations for future safety guidelines and protocols. NSC notes that participation will take approximately 15-20 minutes.

Switzerland’s Federal Office of Public Health (FOPH) has updated its precautionary matrix for synthetic nanomaterials, which is a method for assessing the nano-specific health and environmental risks of nanoproducts. According to FOPH, the precautionary matrix enables the structured assessment of the “nano-specific need for precautions” when handling synthetic nanomaterials. The precautionary matrix is designed “to help industry and trade comply with their due diligence and their...

The White House Office of Science and Technology Policy (OSTP) published a request for information (RFI) on April 5, 2023, seeking public input in updating the National Nanotechnology Initiative (NNI) Environmental, Health, and Safety (EHS) Research Strategy. 88 Fed. Reg. 20194. OSTP is soliciting public input from a wide variety of stakeholders, including individuals, industry, academia, research laboratories, nonprofits, and think tanks. OSTP states that it is interested in public input...

The March 2023 issue of the National Institute for Occupational Safety and Health’s (NIOSH) eNews includes an item announcing publication of an article entitled “Results of the 2019 Survey of Engineered Nanomaterial Occupational Health and Safety Practices” in the International Journal of Environmental Research and Public Health. According to the abstract, the survey aimed to understand whether workers follow the recommendations of NIOSH’s Nanotechnology Research...

On December 20, 2022, the European Union (EU) Observatory for Nanomaterials (EUON) published a Nanopinion entitled “Controlling Exposure to Nanomaterials” by Dr Araceli Sánchez, Spanish Institute of Health and Safety (INSST). Sánchez notes that over the last 15 years, scientists have paid attention to the development of new instruments capable of measuring personal exposure to nanosize particles, and new frameworks, methodologies, and standards to assess and control exposure to engineered...

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 were the subject of premanufacture notices (PMN) and are also subject to Orders issued by EPA pursuant to TSCA. 87 Fed. Reg. 65548. The proposed SNURs include four chemical substances identified as: Multi-walled carbon nanotubes (MWCNT); closed; 4.4-12.8 nanometer (nm) diameter; bundle length...

The National Institute for Occupational Safety and Health (NIOSH) posted a blog item entitled “NIOSH News for National Nanotechnology Day!” on October 6, 2022. In honor of National Nanotechnology Day, October 9, the item summarizes NIOSH’s work in the area of engineered nanomaterials, including the NIOSH Nanomaterial Exposure Assessment Technique (NEAT 2.0), which can be used to identify the potential for exposure to engineered nanomaterials in the workplace. According to NIOSH, the...

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 (defined by statute to include import) or process the chemical substance identified generically as MWCNTs (PMN...

On July 29, 2022, the National Institute for Occupational Safety and Health (NIOSH) published a Technical Report: Occupational Exposure Sampling for Engineered Nanomaterials. Since 2010, NIOSH has developed guidance for workplace sampling for three engineered nanomaterials: carbon nanotubes (CNT) and nanofiber (CNF), silver, and titanium dioxide, each of which has an elemental mass-based NIOSH recommended exposure limit (REL). NIOSH has also...