Medical wastes refer to directly or indirectly infectious, toxic and other hazardous wastes produced by various kinds of medical institutions in medical treatment, prevention, medical care, teaching, scientific research and other related activities. Medical Waste Categories has made a clear definition of the concept and scope of medical wastes. As a special sort of pollutants, medical waste is the dual carrier of environmental pollution and propagation of diseases. With such hazardous characteristics as infectivity, inheritable toxicity, chemical toxicity, disgusting appearance and radioactivity, medical wastes will cause water, air and soil pollution as well as direct harm to human health.
