NIOSH Announces Articles Addressing Nanomaterial Exposure Issues

On January 19, 2010, the National Institute for Occupational Safety and Health (NIOSH) announced three new peer-reviewed articles co-authored by NIOSH researchers. According to NIOSH, the articles report findings and conclusions from studies that examined issues related to potential occupational exposure to engineered nanomaterials. Two articles in the Journal of Occupational and Environmental Hygiene report on the design and application of the nanomaterial emission assessment technique, which was developed by the NIOSH nanotechnology field evaluation team. Part A describes the technique (Journal of Occupational and Environmental Hygiene, 7:127-132), while Part B discusses findings from use of the technique at 12 facilities. NIOSH states that the results summarized in Part B “demonstrated that the technique is useful in identifying and evaluating sources of nanomaterial emissions, and for evaluating engineering controls intended to minimize emissions and reduce exposures” (Journal of Occupational and Environmental Hygiene, 7:163-176). The third article, highlighted as a “featured research” paper in EHP, examines the potential for occupational exposure to engineered carbon-based nanomaterials in environmental laboratory studies. The article cautions that under some conditions, engineered nanomaterials can become airborne when mixed in solution by sonication.

House of Lords Committee Releases Report on Nanotechnologies and Food

On January 8, 2010, the United Kingdom (UK) House of Lords Science and Technology Committee announced the availability of its report entitled Nanotechnologies and Food, which criticizes the food industry for failing to be transparent about its research into the uses of nanotechnologies and nanomaterials. In its report, the Committee urges the Government and Research Councils to fund research into potential health and safety risks arising from the use of nanomaterials in the food sector. The Committee recommends that the Food Standards Agency maintain a publicly available register of food and food packaging containing nanomaterials, and suggests that the register be made available online. The Committee calls for nanomaterials to be defined clearly in food legislation to ensure that all uses of nanomaterials in food are subject to appropriate risk assessment procedures. According to the Committee, regulatory definitions should use a change in functionality, i.e. how a substance interacts with the body, as the criterion that distinguishes a nanomaterial from its larger form, to ensure that any nano-sized materials with novel properties are included. The Committee also recommends that the UK work with other European Union (EU) nations to clarify what is meant by the phrase “properties that are characteristic to the nanoscale” in the draft definition proposed for the revised Novel Foods Regulation, by the inclusion in legislation of a more detailed list of what these properties comprise. The Committee also raises concerns about the potential for the illegal importation of food products containing nanomaterials not approved for use in food in the EU.

EPA Extends Comment Period for Proposed CNT SNURs

On January 8, 2010, the U.S. Environmental Protection Agency (EPA) extended until February 8, 2010, the comment period for its November 6, 2009, proposed significant new use rules (SNUR) for multi-walled carbon nanotubes (CNT) and single-walled CNTs.  According to the January 8, 2010, notice, EPA received a request to extend the comment period.  On December 1, 2009, the U.S. World Trade Organization (WTO) Technical Barriers to Trade (TBT) Inquiry Point at the National Institute of Standards and Technology (NIST), on behalf of the European Economic Community (EEC) WTO TBT Enquiry Point, submitted a request to extend the comment period. According to the request, “the European Communities are currently reviewing the draft regulation,” and request that the comment deadline be extended. According to Charles Auer, formerly the Director of EPA’s Office of Pollution Prevention and Toxics (OPPT) and now affiliated with Bergeson & Campbell, P.C., this is the first request he is aware of from the EEC TBT Enquiry Point to OPPT. Auer noted that the EEC is not necessarily raising a trade concern, but may simply want to know the scope of the proposed regulation.