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The information posted on this website, including information posted by external websites and links to external websites is for general information purposes only.  It is not intended to provide medical or legal advice.  The Village does not guarantee the completeness or relevance of such information and assumes no responsibility for errors or omissions in the contents of the information.


Dear friends of Willowbrook,

Since this issue was brought to our attention on August 22, 2018, we have been working diligently with federal, state and local officials to get answers to so many questions.  We continue to be in contact with representatives from the following agencies: U.S. Environmental Protection Agency (U.S. EPA), Agency for Toxic Substances and Disease Registry (ATSDR), Illinois EPA (IEPA) and the Illinois Department of Public Health (IDPH).

Each agency has identified specific contacts for residents wishing to contact the agencies directly.  To help you direct your questions, below are topic areas for the four agencies to help you determine who to contact and how.

The National Air Toxic Assessments and process, federal or national environmental standards; air monitoring;  behavior of EtO in the environment; history of review of EtO as an air toxic; alternatives to EtO: 

    U.S. EPA, Katie Siegel, (312) 866-3006

Non- cancer health risks; cancer risks; Letter Heath Consultation findings; impact of EtO on human activities; performance of a health re-assessment: 

    ATSDR, Dr. Mark Johnson, , (312) 353-3436

Sterigenics’s permit, compliance status, operations under the permit, stack testing,  emissions levels; state environmental emission standards, requirements or  regulations, notices of violation or enforcement: 

    IEPA, Brad Frost, , (217) 782-7027

Cancer Incident Investigation: 

    IDPH, Bill Dart, , (217) 782-0340

We hope this information helps.


Mayor Frank Trilla 


Full video from EPA Forum held on November 29, 2018

Full video from EPA Forum held on August 29, 2018


Contact information for adult and pediatric referrals:
 The Great Lakes Center for Children’s Environmental Health at the University of Illinois at Chicago


Phone: 866-967-7337


National Institutes of Health/National Cancer Institute:

DuPage County Health Department:
 24/7 Crisis Behavioral Health Support Line

Offers phone based support and referrals for individuals who may be experiencing, or who are concerned with a friend/family member who are experiencing high levels of stress, anxiety, depression or other feelings that have become overwhelming.  Crisis counselors are trained to assist in addressing these challenges in the short term, while linking individuals who may need longer term support to appropriate resources.

Information on Cancer Clusters:
National Cancer Institute (NCI):

News and Announcements - View More
EPA posts initial 3 days of ambient monitoring around Sterigenics Willowbrook facility
The initial data from U.S. EPA’s air quality monitoring around the Sterigenics Willowbrook facility have been posted. Read on...
Full Video of November 29th EPA Forum Now Available
Please click on the following link to watch the full video of the Public Forum that was held on November 29, 2018 at Ashton Place. Read on...

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