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Environmental Standards Makes Three Strategic Hires

Environmental Standards, Inc. is pleased to announce that David Gratson, Robert Flynn, and James Markwiese have joined the company.  David and Robert strengthen our existing Quality Assurance offerings, while the addition of James marks the launching of the newly acclaimed Biology and Environmental Toxicology practice.


David A. Gratson, CEAC
Senior Technical Chemist
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Mr. Gratson, who has over 25 years of field and analytical quality assurance experience, is responsible for the management of various projects at the Houston, Texas, office. Mr. Gratson is knowledgeable in the fields of organic, inorganic, and radionuclide data validation and laboratory auditing, including non-routine methods and analytes. He has performed and/or overseen more than 800 technical and statistical reviews of project planning or reporting documents, and 40 audits/assessments since 2000. read more


Robert Flynn, P.G.
Senior Consulting Geoscientist
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Mr. Flynn is a Senior Consulting Geoscientist with Environmental Standards, Inc., a technology driven environmental consulting firm of more than 110 professionals. Mr. Flynn has more than 30 years of applied environmental geoscience experience working for private industry and environmental consulting and as a regulator of the oil and gas industry, and is based in our East Tennessee office. read more


James T. Markwiese, Ph.D.
Senior Biologist
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Dr. Markwiese has broad experience in the environmental sciences with expertise in toxicology, ecology, microbiology, and chemistry.  He studied at the National Science Foundation’s Center for Microbial Ecology (Michigan State) on an NSF fellowship, and his doctoral research received the outstanding dissertation award from both the University of Wyoming and the Society of Environmental Toxicology and Chemistry, and is based in our East Tennessee office. read more

The addition of David, Rob and James to the Environmental Standards team not only adds to our growing technical diversity, but also provides our clients with greater local access to our technical experts as we expand our regional offices.