Food Processing: Facility uses EtO Sterilization in Food Ingredients Ethylene oxide gas (EtO) is widely used to sterilize materials and products that would be damaged by methods involving heat, moisture or radiation. Depending on industry standards, EtO can be used to reduce or inactivate the microbial population of a product or material. EtO Sterilization Inc. provides contract sterilization services for more than 200 customers from its three Northern New Jersey facilities. The company’s custom sterilization cycles can meet special needs. EtO sterilization is based on a process that involves careful control of temperature, humidity, time and gas concentration. Working concentrations of gas are typically 400 to 600 ml/liter in the sterilization vessel. Typical exposure times range from 6 1

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