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生物学与环境监测 :美国职业安全和卫生管理局 (OSHA)对于锰和锰化合物的允许排放界限 (PEL)作出了规定 ,把作为气体时的最高界限定为 5 mg/ m3,作为灰尘时的 PEL - TWA定为 1mg/ m 3。国家职业安全和健康研究所提出了 1mg Mn/ m3作为锰化合物和锰气体的 REL - TWA以及3mg Mn/
Biological and Environmental Monitoring: The Occupational Safety and Health Administration of the United States (OSHA) regulates the allowable emission limits (PEL) for manganese and manganese compounds, setting the maximum limit for gas as 5 mg / m3 as dust PEL - TWA is set at 1 mg / m 3. The National Institute for Occupational Safety and Health proposed 1 mg Mn / m3 as REL - TWA for manganese compounds and manganese and 3 mg Mn /