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PUBLIC HEALTH ASSESSMENT

EVERGREEN MANOR GROUNDWATER CONTAMINATION SITE
WINNEBAGO COUNTY
ROSCOE, ILLINOIS


CONCLUSIONS

IDPH concludes that the Evergreen Manor Site poses a public health hazard. A possibility exists that people exposed to TCE at levels found in groundwater at the site over long periods of time could experience some adverse health effects. Although the levels found at the site have not been definitively associated with adverse health outcomes, much uncertainty regarding exposure to TCE exists. Studies have associated several health effects with TCE exposure; however, more research is necessary to confirm those associations. Exposure to PCE and DCE in groundwater at the site are not expected to cause adverse health effects.

Affected residences have filters, but filters do not provide long-term protection if they are not properly maintained. Public water lines, which will provide long-term protection, are planned for affected households.

Groundwater is monitored for changes in the contaminant plume that might result in contamination of other private wells.


RECOMMENDATIONS AND PUBLIC HEALTH ACTION PLAN

IDPH recommends that USEPA and Illinois EPA continue monitoring groundwater as planned to detect any changes in the contaminant plume.

Once public water is installed, IDPH will periodically collect and analyze a small number of private well samples outside the current contaminant plume to ensure they remain unaffected. In addition, IDPH will continue to review any water sample results and provide residents with information regarding those results.

Note: This document was available for public comment from October 14 through November 15, 1999. No additional comments or concerns were received.


PREPARER AND REVIEWERS OF REPORT

Preparer
Steven J. Johnson
Environmental Toxicologist
Illinois Department of Public Health

Reviewer
Ken Runkle
Environmental Toxicologist
Illinois Department of Public Health

ATSDR Regional Representative
Louise Fabinski
Regional Operations
Office of the Assistant Administrator

ATSDR Technical Project Officers
Gail Godfrey
Division of Health Assessment and Consultation

Steve Inserra
Division of Health Studies

Courtney Jones
Division of Health Education and Promotion


REFERENCES

  1. Preliminary Health Assessment, Warner Electric Brake and Clutch September 1991.

  2. Illinois EPA, Division of Land Pollution Files, Warner Electric Brake and Clutch.

  3. IDPH, Evergreen Manor Groundwater Contamination Site Files.

  4. Illinois EPA, Division of Land Pollution Files, Evergreen Manor Groundwater Site.

  5. USEPA, Region 5 - Fact Sheet, Evergreen Manor Groundwater Contamination Site. November 1998.

  6. Personal Communication. Mr. Ken Thiesen, USEPA, Region 5, Chicago. November 1999.

  7. Agency for Toxic Substances and Disease Registry. Public Health Assessment Guidance Manual. Atlanta, GA. 1992.

  8. Agency for Toxic Substances and Disease Registry. Update Toxicological Profile for Trichloroethylene. Atlanta, GA. September 1997.

  9. Agency for Toxic Substances and Disease Registry. National Exposure Registry: Trichloroethylene (TCE) Subregistry Baseline Technical Report. Atlanta, GA. 1994.

  10. Agency for Toxic Substances and Disease Registry. Update Toxicological Profile for Tetrachloroethylene. Atlanta, GA. September 1997.

  11. Agency for Toxic Substances and Disease Registry. Update Toxicological Profile for 1,1- Dichloroethene. Atlanta, GA. May 1994.

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