People

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  Dan Tyler

  President, Principal Scientist

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  Steve Airhart

  Vice President, Principal Scientist

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  Mai Serkowski

  Senior Environmental Engineer

• 

  Greg Kasza

  Senior Scientist

• 

  Sara Lindberg

  Environmental Chemist

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  Kim Schuyler

  Geologist and Meteorologist

• 

  John Houck

  Senior Hydrogeologist

• 

  Erika Garcia

  Hydrogeologist

• 

  Tonja Nash

  Office Administrator

• 

  Stephen Hall

  Senior Geochemist

• 

  Patrick Cabbage

  Geologist

• 

  Brett Mayhew

  Geologist

• 

  Chris Haas

  Environmental Scientist/Regulatory Specialist

• 

  Donny Heidelberg

  Environmental Scientist & Biologist

• 

  Betsy Woodward

  Geologist

• 

  Shanna Muns

  Project Administrator

• 

  Bob Raidl

  Senior Geologist

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  Ian Ross

  Toxicologist / Risk Assessor

• 

  Ryan Brauchla

  Geologist

• 

  Laura Hall

  Geologist

• 

  Kevin Klink, PE

  Senior Chemical/Environmental Engineer

• 

  Richard Marty, Ph.D.

  Senior Geochemist

• 

  Nancy Welliver

  Senior Environmental Engineer

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  Scott Brinton

  Hydrogeologist

• 

  Chris Lewallen

  Geologist

• 

  Troy Stevens

  Geologist

• 

  Matt Mills

  Environmental Scientist

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  Lindsey Halverson

  Administrative Assistant

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  Piper Benjamin

  Environmental Scientist/Ecologist

• 

  Chris Magan

  Environmental Scientist/Ecologist

• 

  John Harrie

  Senior Geologist

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  Linda Carr

  Environmental Chemist

• 

  Todd Aseltyne

  Hydrogeologist

• 

  Sarah Horn

  Environmental Scientist

• 

  Ron Schalla

  Senior Geologist

• 

  Lacey Shelp

  Project Assistant

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  Carla Hough

  Environmental Scientist

• 

  Larry Kamberg

  Regulatory Specialist