Please contact the Iowa Department of Natural Resources (DNR) with questions regarding (or deficiencies involving) groundwater or soil standards, the risk-calculator function, risk-calculator input data, or interpretation of risk-calculator output. The following is DNR contact information:
Shelly Nellesen
Environmental Specialist Senior
Iowa Department of Natural Resources
Solid Waste and Contaminated Sites Section
6200 Park Avenue Suite 200
Des Moines, IA 50321
Phone: (515) 669-5494
FAX: (515) 725-8202
E-Mail: shelly.nellesen@dnr.iowa.gov
Please contact the Iowa Department of Health and Human Services (HHS) with questions regarding toxicity values and adding chemical chemicals to the list of chemicals in the risk calculator.