Region 8 (Mountains and Plains) Contacts

Technical Assistance

• Unit Chief, Dan Wall, (wall.dan@epa.gov), 303-312-6560

Human Health Risk Assessment

• Drinking Water Toxicologist, Bob Benson (benson.bob@epa.gov), 303-312-7070
• Superfund Toxicologist, David Berry (berry.david@epa.gov), 303-312-6358
• Superfund Toxicologist, Wendy O'Brien (obrien.wendy@epa.gov), 303-312-6712
• Superfund Toxicologist, Charlie Partridge (partridge.charles@epa.gov), 303-312-6094
• Public Health Service, Radiation Risk Assessment, Steven Merritt (merritt.steven@epa.gov), 303-312-6146

Ecological Risk Assessment

• Superfund Toxicologist, Brian Sanchez, (sanchez.brian@epa.gov), 303-312-6659
• Superfund Toxicologist, Andrew Todd, (todd.andrew@epa.gov), 303-312-7821
• U.S. Fish & Wildlife Service Liaison, Robyn Blackburn (Blackburn.robyn@epa.gov), 303-312-6663
• U.S. Fish & Wildlife Service Liaison, Sherry Skipper (Skipper.sherry@epa.gov), 303-312-6148

General Information

• Contact Region 8 - 303-312-6312 or in the Region 8 states, 800-227-8917
  • Español: 202-564-9924
• About Region 8 (Mountains and Plains)

Region 8 Risk Assessment Resources

• Denver Front Range Study of Dioxins and Surface Soil Summary Report
• Evaluating and Identifying Contaminants of Concern for Human Health
• Libby Asbestos: Human Health Risk Assessment
• Model Site Conceptual Model for RI/FS Baseline Risk Assessments of Human and Ecological Health
• Sample Analysis and Quality Assurance Plan for Urinary Arsenic and Blood Lead Among Residents of VBI70 Neighborhoods
• Sampling Manual for IEUBK Model (1996)
• Standard Operating Procedure: In Vitro Bioacessibility (IVBA) Procedure for Arsenic
• Background Soil Arsenic Concentrations (XLS) (2.5MB)
• Viewpoints on Bioavailability for Wildlife

Staying Connected

• Follow Region 8 on Facebook
• Follow Region 8 on Twitter

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