A recommended exposure limit (REL) is an occupational exposure limit that has been recommended by the United States National Institute for Occupational Safety and Health to the Occupational Safety and Health Administration (OSHA) for adoption as a permissible exposure limit.
Recommended exposure limit (REL) (dansk: anbefalet grænseværdi for eksponering) er en arbejdspladsgrænseværdi, der er blevet anbefalet af det amerikanske National Institute for Occupational Safety and Health til Occupational Safety and Health Administration (OSHA) som permissible exposure limit ("tilladt grænseværdi for eksponering").