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  2. Emergency Response

Region 8 Emergency Management Branch

Region 8 Emergency Management Branch

Preparedness Section

Valeriy Bizyayev (bizyayev.valeriy@epa.gov)
Preparedness Section Supervisor
(303) 312-6621

Joyce Ackerman (ackerman.joyce@epa.gov)
On Scene Coordinator
(303) 312-6822

Breann Bockstahler (bockstahler.breann@epa.gov)
EPCRA/RMP Coordinator
SERC/TERC/LEPC Liaison
CR-ERNS/ERNS Contact
(303) 312-6034

Luke Chavez (chavez.luke@epa.gov)
Exercise and Training Coordinator
(303) 312-6512

Gina Cristiano (cristiano.gina@epa.gov)
RRT/ESF10 Coordinator
RCP/ACP Coordinator
(303) 312-6688

Duffy Goodner (goodner.duffy@epa.gov)
Project Officer
(303) 312-6821

Marilyn Janovec (janovec.marilyn@epa.gov)
Senior Environmental Employee (SEE)
(303) 312-6609

Erin Joyce (joyce.erin@epa.gov)
Emergency Planner
(303) 312-6677

MacKenzie King (king.mackenzie@epa.gov)
Emergency Planner
(303) 312-7837

Erik Meyerson (meyerson.erik@epa.gov)
Senior Environmental Employee (SEE)
(303) 312-7225

Jason Nakatsu (nakatsu.jason@epa.gov)
Industrial Hygienist
(303) 462-9741

Benjamin Sharaf (sharaf.benjamin@epa.gov) 
Response Support Corps (RSC) Coordinator
Exercise and Training Coordinator
(303) 312-6310

Response Section

Kerry Guy (guy.kerry@epa.gov)
Response Section Supervisor
(303) 312-7288

Craig Myers (myers.craig@epa.gov)
Response Lead On Scene Coordinator
(303) 312-7067

Mark Allen (allen.mark@epa.gov)
Senior Environmental Employee (SEE)
(303) 312-7822

Christina Baum (baum.christina@epa.gov)
On Scene Coordinator
(303) 312-6837

Taylor Bowker (bowker.taylor@epa.gov)
On Scene Coordinator
(303) 312-6818

Abigail Hasenstab (hasenstab.abigail@epa.gov)
On Scene Coordinator
(303) 312-6035

Gary Mitchler (mitchler.gary@epa.gov)
On Scene Coordinator
(303) 312-

Joe Payne (payne.joe@epa.gov)
On Scene Coordinator
(303) 312-6819

Jessica Stromsdorfer (stromsdorfer.jessica@epa.gov)
On Scene Coordinator
(303) 312-6416

Oil Section

Steven Merritt (merritt.steven@epa.gov)
Oil Section Supervisor
(303) 312-6146​​​

Joyel Dhieux (dhieux.joyel@epa.gov)
Oil Lead On Scene Coordinator
(303) 312-6647

Kyle Corcoran (corcoran.kyle@epa.gov)
On Scene Coordinator
(303) 312-6354

Brian Croft (croft.brian@epa.gov)
On Scene Coordinator
(303) 312-6027

Deb King (king.deb@epa.gov)
On Scene Coordinator
(303) 312-6294

Michael Porter (porter.michael@epa.gov)
FRP Coordinator
(303) 312-6944

Eric Sandusky (sandusky.eric@epa.gov)
On Scene Coordinator
(303) 312-6058

Angie Villa (villa.angie@epa.gov)
FRP Coordinator
(303) 312-6393

Assessment & Removal Section

David Fronczak (fronczak.david@epa.gov)
Assessment & Removal Section Supervisor
(303) 312-6096

Robyn Blackburn (blackburn.robyn@epa.gov)
Site Assessment Technical Support
U.S. Fish and Wildlife Service Liaison
(303) 312-6663

Justin Bleiler (bleiler.justin@epa.gov)
Site Assessment Manager
(303) 312-6053

Ryan Dunham (dunham.ryan@epa.gov)
Site Assessment Manager
(303) 312-6627

Katrina Hettinger (hettinger.katrina@epa.gov)
On Scene Coordinator
(303) 312-6334

Brittany Lease (lease.brittany@epa.gov)
Site Assessment Manager
(303) 312-6838

Martin McComb (mccomb.martin@epa.gov)
On Scene Coordinator
(303) 312-6963

Ryan Monahan (monahan.ryan@epa.gov)
Site Assessment Manager
(303) 312-7077

Madison Semach (semach.madison@epa.gov)
Site Assessment Manager
(303) 312-6032

Jean MacKenzie Wyatt (wyatt.jean@epa.gov)
Site Assessment Manager
Mining Lead
(303) 312-6258

Region 8 Preparedness Unit Newsletter (PARatus)

PARatus is a quarterly newsletter designed to present relevant information from the Region 8 Preparedness Unit.

If you would like to be added to our newsletter email list, send your contact information to Breann Bockstahler (bockstahler.breann@epa.gov).

Other Resources

  • Region 8 Exercise Fact Sheet (pdf) (404.24 KB, October 2022)
    • Region 8 Emergency Response and Preparedness Training (pdf) (652.33 KB)
  • Region 8 Accidental Release Information
    • EPA Region 8 Accidental Release Information 2006-2018 (pdf) (2.77 MB)
    • EPA Region 8 Accidental Release Information 2006-2017 (pdf) (3.98 MB)
    • EPA Region 8 Accidental Release Information 2006-2015 (pdf) (2.97 MB)
    • EPA Region 8 Accidental Release Information 2000-2014 (pdf) (2.63 MB)

Emergency Response

  • Emergency Response at EPA
  • Current and Past Responses
  • Response Tools
  • Response Partners
  • Emergency Operations Center
  • Consequence Management Advisory Team
  • Emergency Management Highlights
Contact Us about Emergency Response
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on April 3, 2025
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