在人类生产活动过程中,由于各种因素,包括:物理因素(高温、噪音、震动、辐射、放射、高低气压等),生物因素(细菌、病毒),化学因素(金属、类金属、有机溶剂、刺激性气体、窒息性气体、农药和粉尘等),造成作业环境、生活环境和自然环境的不良改变,以及由此而引起的对人体和生物的正常生理与遗传所产生的不良后果,均属“公害”。 In the process of human production activities, due to various factors, including: physical factors (high temperature, noise, vibration, radiation, radiation, altitude and pressure), biological factors (bacteria and viruses), chemical factors (metals, metals, organic solvents , Irritating gases, asphyxiating gases, pesticides and dust, etc.), resulting in adverse changes in working environment, living environment and natural environment, as well as the resulting adverse consequences on the normal physiology and genetics of human beings and organisms Is a “public hazard.”