Biologist/Project Manager, TestAmerica

- Mr. Stearns has over 25 years of experience in the environmental laboratory industry including; laboratory operations, laboratory management, analytical method development, Quality Assurance, and development of specialized laboratory analyses.

“Every year, more people die from unsafe water than from all forms of violence, including war.”

Mr. Dunn also serves as one of the Technical contacts for the TestAmerica Best Practice initiative, which seeks out method and analytical improvements and assists in implementation throughout the company. He is also experienced in forensics, electronics and aerospace (metal alloys and composites).


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“Industry dumps an estimated 300-400 MT of polluted waste in waters every year.”

Mr. Bradley Suedbeck is a Treatability Scientist at TestAmerica Applied Sciences Laboratory (ASL) in Corvallis, Oregon. His experience includes working closely with Project Engineers to design and perform proof-of-concept and bench-scale water, drinking water and wastewater treatment evaluations at TestAmerica ASL’s Treatability Research Center. He has extensive hands-on experience developing solutions for a wide range of challenging projects including disinfection byproduct formation potential/mitigation strategies, Zeta-potential testing, Rapid Small-Scale Column Testing (RSSCT), and Toxicity reduction evaluations.


Corporate Director of Technical Services, TestAmerica

Dr. Mark Bruce has over 35 years of environmental analytical chemistry experience in academic and commercial laboratories. He has led method development and modification projects for both organic and inorganic analyses, which include arsenic speciation, methyl mercury, low-level mercury, vapor space organics, leaching and incremental sampling methodology (ISM). Dr. Bruce has been actively involved with the Interstate Technology and Regulatory Council (ITRC) committee for ISM, and he is a recipient of the ITRC Industry Recognition Award for his contribution. He also has experience developing custom cleanup methods to address sample specific interferences.

As Corporate Technical Director, Dr. Bruce's duties include investigation and implementation of new technology, process improvement, and leading technical project teams within TestAmerica. His method development work has involved incremental sampling methodology, mercury, metals speciation and organic extractions.

Dr. Bruce earned his BS in Chemistry at the University of Mount Union, OH, and his Ph.D. in Analytical Chemistry at the University of Cincinnati, OH.

Manager of Projects, TestAmerica

On August 14, 2008, Dr. Burrows presented on a new procedure designed to determine method detection and quantitation limits at the 2008 National Environmental Monitoring Conference (NEMC) in Washington, DC.

Manager of Projects, TestAmerica

On August 14, 2008, Dr. Burrows presented on a new procedure designed to determine method detection and quantitation limits at the 2008 National Environmental Monitoring Conference (NEMC) in Washington, DC.

Technical Services Director, TestAmerica Laboratories, Inc.

Dr. Burrows is a Corporate Technical Director for TestAmerica’s network of laboratories in the United States. His duties include implementing new technology, improving existing methods, and leading technical groups within TestAmerica.