The Lake County Health Department, Village of Gurnee, and City of Waukegan have received initial results from the second phase of outdoor air monitoring for ethylene oxide (EtO) near Vantage Specialty Chemicals in Gurnee and Medline Industries in Waukegan. The second phase of outdoor air monitoring in Lake County began October 26, 2019. Samples are being collected from 12 sites every third day during the 90-day period, which will end in January 2020. The Illinois Environmental Protection Agency (IEPA) is funding the monitoring. The results are available to the public via the Health Department’s website, www.lakecountyil.gov/eto. Additional results will be posted as they are received. The results have been forwarded to the U.S. Environmental Protection Agency (EPA), Agency for Toxic Substances and Disease Registry (ATSDR), Illinois Department of Public Health (IDPH), and IEPA which has regulatory authority over EtO emissions permitting in Illinois. The ATSDR has agreed to conduct a health risk assessment for Lake County based on the results, and IDPH has agreed to complete a cancer incidence study that includes Lake County. Residents seeking additional information about EtO in Lake County, updates on the air monitoring program, and contact information for relevant state and federal agencies are encouraged to visit the Health Department’s website, www.lakecountyil.gov/eto.