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U.S. Fish & Wildlife Service - Pacific Region
Environmental Contamiants Staff

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Field Offices

Address Name Contact
US Fish and Wildlife Service
Federal Complex Eastside
911 NE 11th Avenue
Portland, OR 97232-4181
Don Steffeck
Division Chief
Don_Steffeck@fws.gov
(503) 231-6223
Dona Rae Sizemore
Secretary
Dona_Rae_Sizemore@fws.gov
(503) 231-6223
Tom O’Brien
Contaminants, Prevention,
Investigations, and Monitoring
Tom_O'Brien@fws.gov
(503) 231-6223
Roger Helm
NRDA and Spill Response
Roger_Helm@fws.gov
(503) 231-6223
Bob Foley
Coeur d’Alene Basin Project Manager
Robert_Foley@fws.gov
(503) 231-5223
Kristi Chambers
Secretary, NRDA and Spill Response
Kristi_Chambers@fws.gov
(503) 231-6223
Deborah Freeman
EC Budget Analyst
Deborah_Freeman@fws.gov
(503) 231-6112

Field Office's Environmental Contaminants (EC) Staff

California

Carlsbad Fish and Wildlife Office, Carlsbad, CA

Address Name Contact
Carlsbad Fish and Wildlife Office
2730 Locker Avenue West
Carlsbad, CA 91698
Carol Roberts
Supervisory, EC Biologist
Carol_Roberts@fws.gov
(619) 431-9440
Carol Gorbics
EC Biologist
Carol_Gorbics@fws.gov
(619) 431-9440
Judy Gibson
EC Biologist
Judy_Gibson@fws.gov
(619) 431-9440



Ventura Fish and Wildlife Office, Ventura, CA

Address Name Contact
Ventura Fish and Wildlife Office
2493 Portola Road, Suite B
Ventura, CA 93003
Walter Sadinski
EC Biologist
Walter_Sadinski@fws.gov
(805) 644-1766
Stephen Henry
EC Biologist
Steve_Henry@fws.gov
(805) 644-1766
Louise Lampara
EC Biologist
Louise_Lampara@fws.gov
(805) 644-1766
Lisa Roberts
EC Biologist
Lisa_Roberts@fws.gov
(805) 644-1766
Denise Steurer
EC Biologist
Denise_Steurer@fws.gov
(805) 644-1766



Sacramento Fish and Wildlife Office, Sacramento, CA

Address Name Contact
Sacramento Fish and Wildlife Office
2800 Cottage Way W2605
Sacramento, CA 95821
Steven Schwarzbach
Supervisory EC Biologist
Steven_Schwarzbach@fws.gov
(916)414-6000
Daniel Welsh
Supervisory EC Biologist
Daniel_Welsh@fws.gov
(916)414-6000
Thomas Maurer
EC Biologist
Thomas_Maurer@fws.gov
(916)414-6000
Joseph Skorupa
EC Biologist
Joseph_Skorupa@fws.gov
(916)414-6000
James Haas
EC Biologist
James_Haas@fws.gov
(916)414-6000
John D. Henderson
EC Biologist
John_D_Henderson@fws.gov
(916)414-6000
Laura Valoppi
EC Biologist
Laura_Valoppi@fws.gov
(916)414-6000
William Beckon
EC Biologist
William_Beckon@fws.gov
(916)414-6000
Carmen Thomas
EC Biologist
Carmen_Thomas@fws.gov
(916)414-6000
Terry Adelsbach
EC Biologist
Terry_Adelsbach@fws.gov
(916)414-6000
Cathy Johnson
EC Biologist
Cathy S_Johnson@fws.gov
(916)414-6000
Rosa Montilla
Secretary
Rosa_Montilla@fws.gov
(916) 414-6592

Idaho

Snake River Basin Field Office, Boise, ID

Address Name Contact
Snake River Basin Field Office
4695 Overland Rd, Room 576
Boise, ID 83705
Susan Burch
Senior EC Biologist
Susan_Burch@fws.gov
(208) 378-5265

Oregon

Klamath Basin Ecosystem Restoration Office, Klamath Falls, OR

Address Name Contact
Klamath Basin Ecosystem
Restoration Office
6600 Washburn Way
Klamath Falls, OR 97603
Elaine Snyder-Conn
Senior EC Biologist
Elaine_Snyder-Conn@fws.gov
(550) 885-8481



Oregon State Fish and Wildlife Office, Portland, OR

Address Name Contact
Oregon State Fish and Wildlife Office
2600 SE 98th Avenue
Suite 100
Portland, OR 97266
Jeremy Buck
EC Biologist
Jeremy_Buck@fws.gov
(503)231-6179
Elizabeth Materna
EC Biologist
Elizabeth_Materna@fws.gov
(503)231-6179
Ted Buerger
EC Biologist
Ted_Buerger@fws.gov
(503)231-6179
Mike Szumski
EC Biologist
Mike_Szumski@fws.gov
(503)231-6179

 

Nevada

Las Vegas Fish & Wildlife Office, Las Vegas, NV

Address Name Contact
Las Vegas Fish and Wildlife Office
1510 Decatur
Las Vegas, NV 89108
Erik Orsak
EC Biologist
Erik_Orsak@fws.gov
(702)647-5230



Nevada Fish & Wildlife Office, Reno, NV

Address Name Contact
Nevada Fish and Wildlife Office
1340 Financial Blvd.
Suite 234
Reno, NV 89502
Stan Wiemeyer
Supervisory EC Biologist
Stanley_Weimeyer@fws.gov
(775) 861-6300
Peter Tuttle
EC Biologist
Pete_Tuttle@fws.gov
(775) 861-6300
Damian Higgins
EC Biologist
Damian_Higgins@fws.gov
(775) 861-6300

 

Pacific Islands

Pacific Islands Fish & Wildlife Office, Honolulu, HI

Address Name Contact
Pacific Islands Fish and Wildlife Office
300 Ala Moana Blvd.
Room 3108
P.O. Box 50167
Honolulu, HI 96813
Don Palawski
Assistant Field Supervisor
Don_Palawski@fws.gov
(808)550-2749
Chris Swenson
EC Biologist
Chris_Swenson@fws.gov
(808) 550-2749
Kevin Foster
EC Biologist
Kevin_Foster@fws.gov
(808) 550-2749
Lee Ann Woodward
EC Biologist
LeeAnn_Woodward@fws.gov
(808) 550-1201
Colleen Henson
EC Biologist
Colleen_Henson@fws.gov
(808) 550-1201

 

 

Washington
Upper Columbia Fish and Wildlife Spokane, WA

Address Name Contact
Upper Columbia Fish and Wildlife Office
11103 E. Montgomery Drive
Suite 2
Spokane, WA
(509) 891-6839
Dan Audet
Supervisory EC Biologist
Dan_Audet@fws.gov
(509)891-0450
Julie Campbell
EC Biologist
Julie_Campbell@fws.gov
(509)891-0450
Mark Snyder
EC Biologist
Mark_Snyder@fws.gov
(
509)891-0450
Toni Davidson
Senior EC Biologist
Toni_Davidson@fws.gov
(509)891-0450
Brad Fraizer
EC Biologist
Brad_Fraizer@fws.gov
(509)891-0450


Western Washington Fish and Wildlife Office, Lacey, WA

Address Name Contact
Western Washington Fish & Wildlife Office
510 Desmond DR. SE
Suite 102
Lacey, WA 98503
Kate Benkert
Assistant Field Supervisor
Kate_Benkert@fws.gov
360)753-5821
Denise Baker
EC Biologist
Denise_Baker@fws.gov
(360)753-5821
Jeff Krausmann
EC Biologist
Jeff_Krausmann@fws.gov
(360)753-5821
Cindy Chaffee
EC Biologist
Cindy_Chaffee@fws.gov
(360)753-5821
Jay Davis
EC Biologist
Jay_Davis@fws.gov
(360)753-5821
Judy Lantor
EC Biologist
Judy_Lantor@fws.gov
(360)753-5821
Mary Mahaffy
EC Biologist
Mary_Mahaffy@fws.gov
(360)753-5821

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