Region 4: Risk Assessment Contacts
Region 4 offices are located in Atlanta and serve AL, FL, GA, KY, MS, NC, SC, TN, and 6 Tribal Nations.
Other EPA areas where you live
Key Issues
Region 4 (Southeast) Contacts
Scientific Support Section
- Chief Tim Frederick ([email protected]), 404-562-8598
Ecological Risk Assessment
- Brett Thomas ([email protected]), 404-562-8751
- Sharon Thoms ([email protected]), 404-562-8666
Human Health Risk Assessment
- Shanna Alexander ([email protected]), 404-562-8635
- Ayana Cunningham ([email protected]), 404-562-8772
- Adam Friedman ([email protected]), 404-683-5733
- Kevin Koporec ([email protected]), 404-562-8644
- Jon Richards ([email protected]) (Radiation), 404-562-8648
Hydrogeology
- Noman Ahsanuzzaman ([email protected]), 404-562-8047
- Bei Huang ([email protected]),404-562-8183
- Ben Bentkowski ([email protected]), 404-562-8507
- James Ferreira ([email protected]), 404-562-9383
- Bill O'Steen ([email protected]), 404-562-8645
- Katherine Schroer ([email protected]), 404-562-8026
General Information
- Contact Region 4, 404-562-9900, or in the Region 4 states, 800-241-1754
- Learn more about Region 4 (Southeast)
Region 4 Risk Assessment Resources
- Region 4 Ecological Risk Assessment Supplemental Guidance (March 2018 Update)
- Region 4 Human Health Risk Assessment Supplemental Guidance (March 2018 Update)
- Region 4 Issue Paper for PCB Characterization at Region 4 Superfund and RCRA Sites
- Region 4 Superfund X-Ray Fluorescence Field Operations Guide (July 2022 Update)
- Region 4 Urban Background Study
- Regional Removal Management Levels (RMLs) User's Guide
- Laboratory Services and Applied Science Division (LSASD) - Provides laboratory services and field support to the Region