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We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.
Follow these links to see frequent questions and answers on:
Basic information about ethylene oxide
Health information about ethylene oxide
Regulations for ethylene oxide
National Air Toxics Assessment (NATA)
About the current monitoring data
What EPA is doing
Emissions at Sterigenics
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