EPA Says Ethylene Oxide Emissions Spike at Sterigenics Facility (1)

March 7, 2019, 8:25 PM; Updated: March 8, 2019, 12:32 AM

Ethylene oxide emissions at nearly every monitoring site near a Sterigenics U.S. LLC facility in Willowbrook, Ill., spiked in February to their highest levels in nearly a year.

And perhaps for the first time, Environmental Protection Agency officials March 7 directly linked emissions at the facility to the increased levels of ethylene oxide emissions in the Willowbrook community, a conclusion the company has consistently questioned.

Air monitoring data EPA released March 7 showed emissions of the flammable and colorless gas in the eight days between Jan. 22 and Feb. 11 more than doubled from previous high levels at...

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