Region 4: Risk Assessment Contacts
Region 4 (Southeast) Contacts
Scientific Support Section
-
Chief Tim Frederick (Frederick.tim@epa.gov), 404-562-8598
Ecological Risk Assessment
- Brett Thomas (Thomas.brett@epa.gov), 404-562-8751
- Sharon Thoms (Thoms.sharon@epa.gov), 404-562-8666
Human Health Risk Assessment
- Sydney Chan (chan.sydney@epa.gov), 404-562-8907
- Kevin Koporec (Koporec.kevin@epa.gov), 404-562-8644
- Jon Richards (Richards.jon@epa.gov) (Radiation), 404-562-8648
Hydrogeology
- Noman Ahsanuzzaman (Ahsanuzzaman.noman@epa.gov), 404-562-8047
- Ben Bentkowski (Bentkowski.ben@epa.gov), 404-562-8507
- James Ferreira (Ferreira.james@epa.gov), 404-562-9383
- Bill O'Steen (Osteen.bill@epa.gov), 404-562-8645
- Katherine Schroer (schroer.katherine@epa.gov), 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
- Region 4 Urban Background Study
- Regional Removal Management Levels (RMLs) User's Guide
- Science and Ecosystem Support Laboratory (SESD) - Provides Environmental Training to the Region
Staying Connected
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