China Occupational exposure limits for hazardous agents in the workplace-Biological Agents in Air
Chemical hazardous agents（GBZ 2.1‑2019）-Biological Agents in Air constitute the mandatory standard in this field. This standard defines the maximum allowable concentrations (MAC) for bacteria, fungi, viruses, and their toxins and metabolites in workplace air. A total of 11 biological factors are included, among which highly infectious pathogens such as Brucella and Bacillus anthracis are classified as extremely hazardous categories subject to zero-tolerance MAC limit control, applicable to industries including laboratory animal facilities, fermentation industries, and medical waste treatment.
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