Region 8 Risk Assessment Contacts

Toxicology and Human Health Risk Assessment

Deborah McKean, PhD (Unit Chief)
mckean.deborah@epa.gov
303-312-6178

Susan Griffin PhD, DABT (Superfund Toxicologist)
griffin.susan@epa.gov
303-312-6651

Wendy O'Brien DVM, PhD (Superfund Toxicologist)
obrien.wendy@epa.gov
303-312-6712

Bob Benson PhD (Drinking Water Toxicologist)
benson.bob@epa.gov
303-312-7070

Charlie Partridge PhD (Superfund Toxicologist)
partridge.charles@epa.gov
303-312-6094

David Berry PhD (Superfund Toxicologist)
berry.david@epa.gov
303-312-6358

Kristen Keteles PhD (Pesticides, Contaminants of Emerging Concern)
keteles.kristen@epa.gov
303-312-6039

Cheryl Overstreet (RCRA Human Health and Ecological Risk Assessor)
overstreet.cheryl@epa.gov
303-312-6088

Ecological Risk Assessment

Dan Wall (Superfund)
wall.dan@epa.gov
303-312-6560

Robyn Blackburn (U.S. Fish & Wildlife Service Liaison)
blackburn.robyn@epa.gov
303-312-6663

Sherry Skipper (U.S. Fish & Wildlife Service Liaison)
skipper.sherry@epa.gov
303-312-6178

Mailing address:
US EPA Region 8
8OC-EISC
1595 Wynkoop St
Denver, CO 80202-1129

Or use the online feedback form below:

About Region 8