HHNOC, and PHNOC classifications. OSHA will permit the use of the exclamation mark pictogram for HNOCs if the words “Hazard Not Otherwise Classified” or “HNOC” appear below the pictogram. Canada does not require the additional information below the pictogram...
According to OSHA §1910.145(e)(4), “The biological hazard warning shall be used to signify the actual or potential presence of a biohazard and to identify equipment, containers, rooms, materials, experimental animals, or combinations thereof, which contain, or are contaminated with, viable haz...