1. occupational exposure limits; OELs Repeated exposure of workers to one or more occupational harmful factors over a long period of time in the course of occupational activities will not cau…

What are the "Principles for the definition and determination of Hazardous Chemicals" in the List of Hazardous Chemicals? At the time of formulating the list, according to the Unite…

I. Definition of hazardous chemicals In general, a hazardous chemical is any substance or mixture that may cause harm to facilities/property, human health and the environment. A more technica…