Expanded Ethylene Oxide TRI Reporting for Sterilization Facilities 

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Ethylene Oxide (EtO) and ethylene glycol have been on the Toxics Release Inventory (TRI) toxic chemical list since its inception in 1987, but not all facilities that use these chemicals have been subject to TRI reporting requirements.  In October 2021, EPA sent letters to 31 facilities providing notice that EPA was considering exercising its discretionary authority. After corresponding with many of the facilities, EPA has decided to issue a determination extending TRI reporting requirements to 29 of the 31 facilities for EtO and to 16 of the 31 facilities for ethylene glycol. Ethylene glycol is produced using ethylene oxide; thus, these chemicals may co-occur at facilities.

The determination to extend TRI reporting requirements to these 29 facilities is part of an ongoing effort to increase publicly available information on EtO releases and other waste management activities. EPA will continue to monitor additional contract sterilization facilities using EtO and, if appropriate, consider using this discretionary authority to extend TRI reporting requirements to those facilities as well.

Beginning in January 2022, these 29 facilities should start tracking their activities involving EtO (and ethylene glycol, if applicable), releases and other waste management quantities as required by EPCRA, similar to any other facility subject to TRI reporting requirements. If reporting thresholds are met, the facilities must submit TRI data beginning in 2023.  

ESS utilizes EPA Method 18 for collection and analysis of EtO at sterilization facilities. Analysis will be conducted utilizing gas chromatography (GC). Contact us at [email protected] to get a quote.

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