methods:(1) heating the waste to a minimum of 90–95°C by means of microwaves, radio waves, hot oil, hot water, steam, or superheated gases; (2) exposing the waste to
chemicals such as sodium hypochlorite (household bleach)or chlorine dioxide; (3)subjecting the waste to heated chemicals; (4) irradiating the infectious waste with ionizing
sources. Each of these methods has its own advantages and disadvantages, which must be considered when selecting a treatment system for use by any generator of infectious waste