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Thomas A. Naymik, Ph.D., P.G.

Practice Specialties

Site Investigation & Remediation 

Groundwater Assesment & Remediation 

Specialized In Situ Treatment Technology 

Suface Water/ Groundwater Supply Studies & Development


Ph.D., Geology (Hydrogeology), Ohio State University, 1977

M.S., Geology, Louisiana State University, 1974

B.S., Geology, Ohio State University, 1972

Primary Disciplines:
Earth Sciences, Hydrogeology,

Dr. Tom Naymik, PG, senior hydrogeologist based in Ohio, focuses on fate and transport of contamination in groundwater commonly concerned with litigation. With responsibility and clean-up as the central issues Dr. Naymik has extensive experience with VOC, metals, LNAPL, DNAPL, radionuclide, fertilizer, and pesticide transport in the subsurface.

Practice Specialties
Dr. Naymik specializes in subsurface characterization and groundwater remediation in several geological settings spanning 30 years of experience, fate and transport of contamination, and model design of groundwater flow and contaminant transport. Dr. Naymik also brings experience in remediation management, expert consultation related to groundwater litigation, design of groundwater extraction systems associated with environmental restoration and remediation, and well field design for water supply. As major elements of his practice for the past 25 years, he has worked with multinational companies as a technical specialist to resolve litigation and compliance issues related to groundwater contamination from former or legacy operations at locations in the United States and Canada. He was also a leading member of teams conducting environmental health and safety performance improvements at U.S. Department of Energy laboratories including Los Alamos, Lawrence Livermore, Savannah River Site, Argonne, and Lawrence Berkeley. Dr. Naymik’s experience also includes the management of pathway analyses and risk assessments for a number of federal facilities with research and development functions.

Advancing the State-of-the-Practice
Dr. Naymik’s research and leadership in the field of groundwater includes "Random-Walk" (a formerly widely used solute transport model he coauthored while employed with the Illinois State Water Survey), participation in the development of sampling protocols and artificial recharge technology, 22 consecutive years as a short course instructor for the National Ground Water Association, and adjunct professor appointments with the University of Illinois and Ohio State University over the past 25 years.

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