Your Guide to Emerging Issues in Environmental Regulation and Litigation.
On August 18, 2025, the United States Court of Appeals for the Fourth Circuit issued its long-awaited decision in Sommerville v. Union Carbide Corp., reversing the U.S. District Court for the Southern District of West Virginia’s summary judgment ruling in favor of the plant owner defendants. In the case, the lead plaintiff, on her own …
The question of whether ethylene oxide emissions constitute traditional environmental pollution for the purpose of interpreting commercial general liability pollution exclusions remains unsettled in many jurisdictions across the United States. The issue may soon receive greater clarity in Illinois — and more broadly within the Seventh Circuit Court of Appeals — in response to a …
Nearly ten months after settling over 870 Illinois-based Cook County ethylene oxide (EtO) exposure claims for $408 million (covered by ELM here), at the beginning of the final quarter of 2023, Sterigenics, one of the world’s largest commercial sterilizers, along with its parent company Sotera, agreed to settle 79 lawsuits relating to EtO emissions from …
On January 9, 2023, Sotera Health Company announced it reached agreements to settle more than 870 ethylene-oxide cases pending against its subsidiaries, including Sterigenics, in the Circuit Court of Cook County, Ill. and the United States District Court for the Northern District of Illinois. The claims arose out of operations of Sterigenics’ Willowbrook, Ill. medical …
Our blog recently reported on the first jury verdict concerning alleged ethylene oxide exposure and has previously reported a number of times here generally about ethylene oxide (EtO). Ethylene oxide is a gas commonly used to make other chemicals utilized in a variety of consumer and industrial goods, including fabric, detergents, medicines, and adhesives. It is used …
On September 19, 2022, a Cook County (Illinois) jury awarded $363 million to 70-year-old plaintiff Susan Kamuda in the first of many lawsuits against industrial sterilization company Sterigenics. These lawsuits accuse the company of a reckless, decades-long pollution of Willowbrook, Illinois with ethylene oxide. The jury in this case went beyond the damages requested by …
Ethylene oxide (EtO) is a chemical long used to sterilize products that cannot be sterilized with steam, such as medical equipment and surgical devices. One of 187 hazardous air pollutants that the U.S. Environmental Protection Agency regulates, EtO has been shown to cause various cancers when inhaled over time. In December 2016, the EPA concluded …
Ethylene oxide is a gas commonly used to make other chemicals utilized in a variety of consumer and industrial goods, including fabric, detergents, medicines, and adhesives. It’s even used to sterilize medical devices and spices and to kill microorganisms in grains. But ethylene oxide is acknowledged as a known human carcinogen (cancer-causing compound or substance) …
On October 30, 2019, the Illinois House of Representatives voted to approve legislation that would effectively ban the use of ethylene oxide, which is a chemical used for sterilizing the majority of medical devices found in hospital operating rooms and other health care settings. In moving forward with the legislation, Illinois lawmakers rejected warnings from …
In a rare showing of bipartisanship before the mid-term elections, Illinois Attorney General Lisa Madigan, a Democrat, and Robert Berlin, a Republican State’s Attorney for DuPage County, filed a lawsuit seeking to place limits on emissions of ethylene oxide from a plant owned by Sterigenics U.S., LLC. The lawsuit alleges that the plant has released …