1. Development of an ArcView GIS Coverage of Illinois Superfund Sites Mark Yacucci Center for Transportation and the Environment Illinois State Geological Survey

2. Acknowledgements Anne Erdmann - Co investigator - ISGS John Sieving - Co investigator - ISGS John R. Washburn - Contract Sponsor - IDOT USEPA IEPA

3. Background The ISGS – IDOT Partnership Established in March 1989 The ISGS Environmental Site Assessments Section performs Preliminary Environmental Site Assessments (PESAs) for IDOT

4. Why CERCLIS? Most troublesome sites Spatially Environmentally Moderate record size Decent USEPA and IEPA file availability

5. Mapping Process Mapping order Counties in the Chicago area are being mapped first Other urban areas second Rural counties last

6. Mapping Process Data Collection Sources USEPA CERCLIS database IEPA files County tax record maps Aerial photographs USGS topographic maps

7. Mapping Process Data Collection Additional information Site property boundaries Local names and addresses State ID numbers

8. Mapping Process Coverage Creation ESRI’s ArcView 3.2 Shapefile Polygons and database Conversion to Arc 8.1 coverage

9. IDOT District 1

10. Will County, Illinois

12. Time Frame Currently two Chicago counties are completed Chicago area completed by Mid-2002 State completed by early 2003

13. Updates Coverage and Database will be updated on an annual/biannual basis Updates to include New sites Changes in site status Corrections to original coverage

14. The Future Coordination with other Illinois agencies Other databases UST LUST Landfills