December 16, 2019
NIOSH Will Request Information on Engineered Nanomaterials to Evaluate in Developing OELs
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...