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  2. Risk Assessment

Region 4: Risk Assessment Contacts

Region 4 offices are located in Atlanta and serve AL, FL, GA, KY, MS, NC, SC, and TN.

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

  • Per- and Polyfluoroalkyl Substances (PFAS) in Your Environment
  • Vapor Intrusion
  • Urban Background Study

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
  • Shannon Berg (Berg.Shannon@epa.gov), 404-562-9720

Human Health Risk Assessment

  • Shanna Alexander (Alexander.Shanna@epa.gov), 404-562-8635
  • Ayana Cunningham (Cunningham.Ayana@epa.gov), 404-562-8772
  • Adam Friedman (Friedman.Adam@epa.gov), 404-683-5733
  • 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
  • Bei Huang (Huang.Bei@epa.gov),404-562-8183
  • 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 (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

Staying Connected

  • All Region 4 news releases
  • Media Contacts
  • Follow Region 4 on Facebook
  • Follow Region 4 on x

Region 4 Research Publications

 

Risk Assessment

  • About Risk Assessment
  • Human Health Risk Assessment
    • Conducting a Human Health Risk Assessment
    • Human Health Risk Models and Tools
  • Ecological Risk Assessment
    • Conducting an Ecological Risk Assessment
    • Ecological Risk Models and Tools
  • Risk Assessment Guidance
  • Risk Tools and Databases
    • Regional Screening Levels (RSLs)
    • Regional Removal Management Levels for Chemicals (RMLs)
  • Superfund Risk Assessment
    • Superfund Human Health Risk Topics
      • Risk Assessment Guidance for Superfund (RAGS): Part A
      • Supplement to RAGS Part A: Community Involvement in Superfund Risk Assessments (1999)
      • Risk Assessment Guidance for Superfund (RAGS) Volume III: Part A
      • Risk Assessment Guidance for Superfund (RAGS): Part B
      • Risk Assessment Guidance for Superfund (RAGS) Part C
      • Risk Assessment Guidance for Superfund (RAGS): Part D
      • Risk Assessment Guidance for Superfund (RAGS): Part E
      • Risk Assessment Guidance for Superfund (RAGS): Part F
    • Superfund Ecological Risk Topics
      • Ecological Risk Assessment Guidance for Superfund
      • Ecological Soil Screening Level (Eco-SSL) Guidance and Documents
    • Additional Superfund Risk Topics
      • Regional Screening Levels (RSLs)
      • Regional Removal Management Levels for Chemicals (RMLs)
  • Where you live
Contact Us About Risk Assessment
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Last updated on December 31, 2024
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