August 3, 2021
NIOSH Says Nanomaterial Data Gaps Remain Despite Reporting Mandate
A new draft guide from the National Institute for Occupational Safety and Health (NIOSH) says key data needed to set exposure limits for engineered nanomaterials (ENMs) remains scarce despite an EPA reporting requirement, while touting several agencies’ assessments of the substances as models for workplace protections. In the July 13 draft , NIOSH writes that although most ENMs lack the research data needed to determine a specific threshold for safe exposure, such as an occupational exposure limit (OEL), several existing...
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