1. The most common ethylene oxide processing method is the gas chamber method. 2. The co-monomer is typically dioxolane but ethylene oxide can also be used. 3. PEGs contain potential toxic impurities, such as ethylene oxide and 1, 4-dioxane. 4. This method has been used for 1, 3-propanediol from ethylene oxide . 5. Ethoxylates are reaction products of ethylene oxide with higher alcohols, acids or amines. 6. The current FDA approved sterilant gases are ethylene oxide , hydrogen peroxide and ozone. 7. Each needle is individually packaged and sterilized with ethylene oxide gas. 8. "' Ethoxylation "'is a chemical reaction in which ethylene oxide adds to a substrate. 9. Corimon holds 16 percent of Pralca, which makes ethylene oxide , used to make insulation. 10. For sterilising medical goods / supplies an autoclave using ethylene oxide can be used.