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NIOSH Science Blog

Observations on a newly published case study about a worker who developed sensitization to nickel when working with nickel nanoparticle powder.

The U.S. Government Accountability Office (GAO) has released a report entitled Nanomanufacturing: Emergence and Implications for U.S. Competitiveness, the Environment, and Human Health

NIOSH’s research and recommendations for the development of safe nanotechnology are reflected in a report issued by the U.S. Government Accountability Office on Feb. 7, Nanomanufacturing: Emergence and Implications for U.S. Competitiveness, the Environment, and Human Health. Dr. Paul Schulte and Dr. Charles Geraci, NIOSH’s program manager and program coordinator for nanotechnology research, respectively, represented NIOSH in a national forum discussion that provided the foundation for the report.

Updated NIOSH Nanotechnology Research and Guidance Strategic Plan

This NIOSH Nanotechnology Research and Guidance Strategic Plan updates the November 2009 strategic plan with knowledge gained from results of ongoing research. This plan is the roadmap being used to advance basic understanding of the toxicology and workplace exposures involved so that appropriate risk management practices can be implemented during discovery, development, and commercialization of engineered nanomaterials. NIOSH will strive to remain at the forefront of developing guidance that supports and promotes the safe and responsible development of such a promising technology.

Current Strategies for Engineering Controls in Nanomaterial Production and Downstream Handling Processes

The focus of this guidance document is to identify and describe strategies for the engineering control of worker exposure during the production or use of engineered nanomaterials. Engineered nanomaterials are materials that are intentionally produced and have at least one primary dimension less than 100 nanometers (nm). Nanomaterials may have properties different from those of larger particles of the same material, making them unique and desirable for specific product applications. The consumer products market currently has more than 1,000 nanomaterial-containing products including makeup, sunscreen, food storage products, appliances, clothing, electronics, computers, sporting goods, and coatings. As more nanomaterials are introduced into the workplace and nano-enabled products enter the market, it is essential that producers and users of engineered nanomaterials ensure a safe and healthy work environment.

Current Intelligence Bulletin 65: Occupational Exposure to Carbon Nanotubes and Nanofibers

This NIOSH Current Intelligence Bulletin (1) reviews the animal and other toxicological data relevant to assessing the potential non-malignant adverse respiratory effects of CNT and CNF, (2) provides a quantitative risk assessment based on animal dose-response data, (3) proposes a recommended exposure limit (REL) of 1 μg/m3 elemental carbon as a respirable mass 8-hour time-weighted average (TWA) concentration, and (4) describes strategies for controlling workplace exposures and implementing a medical surveillance program. The NIOSH REL is expected to reduce the risk for pulmonary inflammation and fibrosis.

New Findings on Lung Tumor Formation in Laboratory Mice Exposed to Multi-Walled Carbon Nanotubes

At the annual meeting of the Society of Toxicology, NIOSH researchers reported preliminary findings from a new laboratory study in which mice were exposed by inhalation to multi-walled carbon nanotubes (MWCNT). This study indicates that MWCNT can function as a significant promotor of lung tumor growth when coupled with exposure to a known carcinogen. Additional information on this study can be viewed on the NIOSH Science Blog

6th International Symposium on Nanotechnology: Occupational and Environmental Health

Dates: October 29-31, 2013
Location: Nagoya Congress Center, Nagoya, Japan
NIOSH is serving on the planning committee of the 6th International Nanotechnology: Occupational and Environmental Health symposium (NanOEH), planned for Nagoya, Japan, October 28-13, 2013. The 6th International NanOEH Symposium will provide a high quality scientific forum for scientists and practitioners to present and discuss the interaction between technical advances and societal, occupational and environmental impacts in the field of nanotechnology research. This series of symposia has been recognized as one of the premier conferences related with safety of nanotechnology. The aim of the symposium is to share the latest knowledge on risks related with nanotechnology to reduce these potential risks

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