All Knowledge & Insights By Date

On July 13, 2021, the National Institute for Occupational Safety and Health (NIOSH) announced the availability of a draft technical report entitled Approaches to Developing Occupational Exposure Limits or Bands for Engineered Nanomaterials: User Guide and Technical Report. 86 Fed. Reg. 36748. NIOSH states that the draft report describes an evidence-based approach to evaluate the scientific information available to derive occupational exposure limits, or bands, for engineered...

The National Institute for Occupational Safety and Health (NIOSH) has published Current Intelligence Bulletin 70: Health Effects of Occupational Exposure to Silver Nanomaterials. According to the Current Intelligence Bulletin (CIB), NIOSH assessed potential health risk from exposure to silver nanomaterials by evaluating more than 100 studies of silver nanomaterials in animals or cells. The CIB states that recent studies in animals have demonstrated that biologic activity and potential...

Registration is open for the U.S. National Nanotechnology Initiative’s (NNI) March 23, 2021, webinar on “What We Know About NanoEHS:  Human Exposure.”  The webinar will feature experts from diverse disciplines to share their perspectives on key findings in quantifying and assessing the effects of human exposure to nanomaterials.  Keana Scott, Ph.D., Physical Scientist, Materials Measurement Science Division, National Institute of Standards and Technology...

The Occupational Safety and Health Administration (OSHA) is scheduled to publish a notice of proposed rulemaking (NPRM) on February 16, 2021, that would modify the Hazard Communication Standard (HCS) to conform to the United Nations’ Globally Harmonized System of Classification and Labelling of Chemicals (GHS) Revision 7 “to address issues that arose during the implementation of the 2012 update to the HCS, and provide better alignment with other U.S. agencies and international...

On January 5, 2021, the National Institute for Occupational Safety and Health (NIOSH) posted a Science Blog item entitled “Understanding the Broad Class of Carbon Nanotubes and Nanofibers (CNT/F) Used or Produced in U.S. Facilities.”  The item summarizes a recently published article in the journal Particle and Fibre Toxicology, “Physicochemical characterization and genotoxicity of the broad class of carbon nanotubes and nanofibers used or produced in U.S. facilities” that...

On June 25, 2020, the National Institute for Occupational Safety and Health (NIOSH) published a Nanotechnology Research Center (NTRC) Program Performance One-Pager (PPOP).  NTRC conducts research to understand the potential effects on human health of exposure to engineered nanomaterials (ENM) and develops methods to control or eliminate exposures.  According to the PPOP, NTRC’s accomplishments include conducting a survey to gather information about companies’ safety and...

On June 30, 2020, from 9:00 a.m.-10:30 a.m. (EDT), the European Union (EU) NanoSafety Cluster will hold a webinar on “Immune response from occupational exposure to CNTs and nanofibres.”  The following speakers will discuss work at the U.S. Centers for Disease Control and Prevention (CDC) National Institute for Occupational Safety and Health (NIOSH) on the association of occupational exposure with ex vivo functional immune response in workers handling carbon nanotubes and...

The National Institute for Occupational Safety and Health (NIOSH) has posted two posters from the NIOSH Nanotechnology Research Center (NTRC) on 3D printing:  3D Printing with Filaments:  Health and Safety Questions to Ask and 3D Printing with Metal Powders:  Health and Safety Questions to Ask.  The posters provide health and safety questions with different control options and information intended to reduce exposure to potential hazards.  The questions...

On March 4, 2020, the National Institute for Occupational Safety and Health (NIOSH) published a Federal Register notice announcing the availability of its Current Intelligence Bulletin 69:  NIOSH Practices in Occupational Risk Assessment.  85 Fed. Reg. 12786.  The Current Intelligence Bulletin (CIB) describes the process and logic NIOSH uses to conduct risk assessments, including the following steps: Determining what type of hazard is associated with a chemical or...

On February 19, 2020, the National Institute for Occupational Safety and Health (NIOSH) posted a Science Blog item entitled “Are There Nano- and Microplastics in the Workplace?” that reviews workplace exposure to microplastics (defined by NIOSH as “plastic particles smaller than 5 mm”) and nanoplastics (the nanoscale fraction of plastic particles).  NIOSH states that nano- and microplastic particles (NMPP) “can be formed through environmental and mechanical degradation (the...

The National Institute for Occupational Safety and Health (NIOSH) published a Federal Register notice on December 17, 2019, requesting information on toxicological and physicochemical data of engineered nanomaterials (ENM) to evaluate in developing categorical occupational exposure limits (OEL).  84 Fed. Reg. 68935.  As reported in our December 16, 2019, blog item, NIOSH intends to develop categorical OELs based on the available scientific evidence regarding the...

The National Institute for Occupational Safety and Health (NIOSH) is scheduled to publish a Federal Register notice on December 17, 2019, requesting information on toxicological and physicochemical data of engineered nanomaterials (ENM) to evaluate in developing categorical occupational exposure limits (OEL).  According to the notice, NIOSH intends to develop categorical OELs based on the available scientific evidence regarding the hazard or safety of ENMs.  NIOSH seeks...

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 Dawley (Hsd:Sprague Dawley® SD®) Rats and B6C3F1/N Mice is now available.  In 2003, the Rice University Center for Biological and Environmental Nanotechnology nominated nanoscale materials as a class of substances for toxicological evaluation.  The recommended...

According to an item in the September 2019 issue of NIOSH eNews, the National Institute for Occupational Safety and Health (NIOSH) is working with RTI International to distribute a survey to companies that manufacture, distribute, fabricate, formulate, use, or provide services related to engineered nanomaterials.  The item states that the goal of the survey is to assess the impact of NIOSH’s contribution to guidelines and risk mitigation practices for the safe handling of...

The National Nanotechnology Initiative will hold a webinar on October 8, 2019, on “Evaluating Worker and Consumer Exposure to Engineered Nanomaterials.”  The webinar, part of NNI’s 2019 series on the environmental, health, and safety effects of nanomaterials (nanoEHS), will examine the tools, techniques, and successes in assessing and managing potential effects of engineered nanomaterials (ENM) in the workplace and consumer environments.  According to NNI, the presentations...

The Centers for Disease Control and Prevention (CDC) published a Federal Register notice on September 11, 2019, to provide an additional 30-day comment period on its proposed information collection project entitled “Survey of Engineered Nanomaterial Occupational Safety and Health Practices.”  84 Fed. Reg. 47957.  As reported in our April 24, 2019, blog item, on April 23, 2019, CDC published a Federal Register notice inviting comment on the proposed...

On August 20, 2019, the National Institute for Occupational Safety and Health (NIOSH) posted a one-pager on the Nanotechnology Research Center (NTRC).  NTRC conducts research to understand the potential effects on human health of exposure to engineered nanomaterials and develops methods to control or eliminate exposures.  NTRC focuses on the following areas “to help industry move safely and responsibly into the future”: Increasing understanding of potential health risks...

The National Institute for Occupational Safety and Health (NIOSH) announced on July 10, 2019, the availability of a new Technical Report, The NIOSH Occupational Exposure Banding Process for Chemical Risk Management.  NIOSH describes occupational exposure banding as “a voluntary process that assigns each chemical to a category based on its toxicity and any negative health outcomes associated with exposure to that chemical.”  The Technical Report “provides a process...

On May 17, 2019, the National Institute for Occupational Safety and Health (NIOSH) announced that its presentations at the May 20-22, 2019, American Industrial Hygiene Conference & Expo (AIHce EXP) include: PDC 601: How to Assess and Manage Nanomaterial RisksPresenters:  Laura Hodson, Adrienne EastlakeType:  Professional Development Course, May 19, 2019; 119 — An Evaluation of Engineered Nanomaterial Safety Data Sheets Post [Globally Harmonized System of...

The American Chemical Society (ACS) has posted the slides from its May 16, 2019, webinar on working safely with nanomaterials in the laboratory.  Chuck Geraci, Associate Director for Emerging Technologies at the National Institute for Occupational Safety and Health (NIOSH), moderated a panel including: Ken Kretchman, Director of Environmental Health Safety, North Carolina State University; Craig Merlic, Professor of Chemistry, University of California, Los Angeles (UCLA); and...