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Dr. Chatten Cowherd, Subject Matter Expert—Dust Control Strategies

Qualifications and Experience

  • Formerly Principal Advisor for Environmental Engineering, MRIGlobal, Kansas City MO 64110 (retired April 2013)

  • More than 30 years of experience in test method development and field characterization of open ground-level sources of air pollutants with an emphasis on dust emissions from traffic and wind erosion.

  • 15 years of experience directing sand and dust control projects in the Antelope Valley and other areas of the Desert Southwest, with an emphasis on California, Nevada and Arizona.

  • More than 100 papers and publications mostly in the field of fugitive dust characterization and control, including guidance documents for dust control application to roadways, mining operations, construction sites, and large areas of disturbed desert soils.



  • PhD in chemical engineering from the Johns Hopkins University

  • Certified as Qualified Environmental Professional by the Institute of Professional Environmental Practice

  • 40-year member of the Air and Waste Management Association with Fellow status

  • Founding Director of the Center for the Study of Open Source Emissions (see

Rob Farber, Subject Matter Expert—Meteorology and Dustbusters liaison

Professional Experience

  • Southern California Edison, Rosemead, CA                                    1976 – 2013

  • Senior Research Scientist.  Transitioned to head of the environmental research group charged with developing cost-effective environmental options and providing corporate leadership in addressing environmental challenges.

  • Built several scientific teams to address complex environmental issues.  Teams were composed of a broad spectrum of government agencies, regulators, academia, utilities, industry, and agriculture.  Played a leading role in these teams often as technical leader.  

  • Developed cost-effective methods for mitigating windblown dust in southern California deserts, as head of the Dustbusters technical group.

  • Made significant contributions toward modernizing farming techniques in CA to make them more energy efficient, with reduced air emissions.

  • Utilized advanced weather forecasting for improved wind, solar and load forecasting.

  • Developed new techniques for in-situ continuous monitoring for aerosols.



  • Ph.D.  Environmental Science                                    University of Washington, Seattle

  • MS, Atmospheric Sciences                                         University of Washington, Seattle

  • BS, Chemistry, Physics                                              Yale College, New Haven


Professional Societies

  • American Chemical Society, American Meteorological Society. 

  • Active member of the Air and Waste Management Association (A&WMA) which addresses air quality, visibility and meteorological issues. 

  • Permanent officer of the A&WMA AB-6 technical committee entitled Visibility and Radiative Balance Committee

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