<prompt> The operating temperature in an ethylene oxide sterilization during a warm cycle is49-63oC92- 110oC20-35oC68-88oC  <response>: Ethylene Oxide sterilization High level disinfectant Cold cycle stas at 37 5 oC Warm cycle stas at 54 5 oC ETO is Highly penetrating gas It is used for sterilizing plastic ,rubber paicles , Respirators, Hea lung machine , disposable plastic syringes , petri dishes Bacillus Globigi used as biological indicator for ethylene oxide sterilizer 