Air testing after Sterigenics was shut down shows 'rapid drop' in cancer causing gas in Willowbrook, EPA official says
about 5 years in Chicago Tribune
After collecting air samples for three months, federal inspectors had planned to wrap up their study of cancer-causing ethylene oxide in west suburban neighborhoods near Sterigenics. But when Gov. J.B. Pritzker’s administration banned the Willowbrook facility from using the highly toxic gas on...
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