Category: Fume Extractors

NIOSH Re-evaluating Inorganic Lead Standard

National Institute for Occupational Safety and Health (NIOSH) announced in August 2018 that the agency intends to re-evaluate and possibly update the recommended exposure limit (REL) for inorganic lead (Ref. 1). NIOSH currently recommends the same exposure level for inorganic lead as OSHA, 50 µg/m3, which was set in 1978 and has not been changed… Read more »