Ethylene-oxide-
Ethylene oxide (Image from Sterigenics)

Two companies that use ethylene oxide (EtO) to sterilize medical devices failed to report emissions of the toxic gas to the U.S. Environmental Protection Agency, according to a report by the Chicago Tribune.

Medline Industries and Sterigenics, both headquartered in Illinois, have also operated medtech sterilization operations in the state. Medline continues to do so, and Sterigenics decided in September 2019 not to reopen its EtO plant in Willowbrook, Ill., following a state-ordered closure in February of that year.

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