Nano and Other Emerging Chemical Technologies Blog

Nano and Other Emerging Chemical Technologies Blog

Regulatory & legal developments involving nano and other emerging chemical technologies

Tag Archives: exposure

Federal Advisory Council on Occupational Safety and Health Considers Dispersible Engineered Nanomaterials

Posted in Federal, Legal/Regulatory Issues, Occupational Health and Safety Issues, United States
The Federal Advisory Council on Occupational Safety and Health (FACOSH) met on May 3, 2012, during which it discussed the use of occupational exposure levels (OEL) by the federal government. Because the Occupational Safety and Health Administration’s (OSHA) permissible exposure limits (PEL) have remained unchanged since their adoption on May 29, 1971, and do not account… Continue Reading

Bayer Material Sciences Announces OEL for Baytubes

Posted in Occupational Health and Safety Issues, Research
Last month, Bayer Material Science (BMS) announced that it derived an occupational exposure limit (OEL) of 0.05 milligrams per cubic meter (mg/m3) for Baytubes, BMS multi-wall carbon nanotubes. According to BMS, “[t]he latest results of sub-chronic inhalation studies support the conclusion that Baytubes act like poorly soluble particles.” BMS derived the OEL based on previous single and… Continue Reading

ISO Issues Nanoparticle Inhalation Exposure Assessment

Posted in Occupational Health and Safety Issues
On January 22, 2007, ISO published a report entitled Workplace Atmospheres — Ultrafine, Nanoparticle and Nano-Structured Aerosols — Inhalation Exposure Characterization and Assessment, which includes information on the potential health effects of nanoaerosols, sources of occupational nanoaerosols, exposure assessment strategies, particle ensemble characterization methods, size-resolved characterization, online chemical analysis, single particle analysis, and electron microscopy… Continue Reading