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United States Department of Agriculture

Agricultural Research Service

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Welcome to the Pacific West Area



                               Directions to Area Office (external link to


With 46 research units at 20 locations and several additional worksites where ARS employees are located throughout eight states, the Pacific West Area (PWA) is the largest and most diverse of the eight Areas in ARS. There are 360 scientist positions in PWA and total workforce of about 1,500 employees.  Research in PWA is conducted in 18 of the 19 ARS National Programs and addresses all five REE research priorities:


    1) Climate Change 

  2) Food Safety

    3) Children's Nutrition / Health

    4) Global Food Security

     5) Bioenergy


PWA Directors

Dr. Andrew C. Hammond - PWA Director                                                                                                            

Dr. Maureen Whalen -  Associate Area Director                                                                                                          

Vacant - Assistant Area Director          

This PWA leadership team is responsible for overseeing implementation of the ARS research projects throughout the Area; ensuring high quality of science, efficient use of resources, and performance with impact.

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Spotlights header image


 Fungal Pathogen's genome

Fungal Pathogen's genome

Data may help lead to control strategies



  antibiotic use in swine


Statement from ARS Regarding Congressional Testimony on Antibiotic use in swine
 Outreach, Diversity, & Equal Opportunity (ODEO). Link to story.Outreach, Diversity, & Equal Opportunity 

Careers in ARS 

Come work with us

Career paths from agronomy to zoology


ARS Recovery Act Information 

ARS Recovery Act Information

American Recovery and Reinvestment Act and ARS


  Science for Kids

Science for Kids

Scientist are fighting back against alien invaders 



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Last Modified: 8/13/2016
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