Charles R. Wilkes, Ph.D., P.E.

IAQ Expert, Senior Research Scientist

WILKES TECHNOLOGY, INC.
10400 Connecticut Ave Ste 303
Kensington, MD 20895
301-530-0926

www.wilkestech.com


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Charles R. Wilkes is the founder and CEO of Wilkes Technologies, Inc, an engineering consulting firm specializing in human exposure research, analysis of indoor air quality issues and development of models and other tools for representation of important processes influencing human exposure.

Air pollution is not only present in congested highways, and industrial areas (to name a few). Indoor air pollution is also a concern as human activity and natural processes can both generate air pollution. As an expert in Indoor Air Quality (IAQ), Charles developed several human exposure models currently in use in the scientific community. His research consisted of developing an indoor air quality and human inhalation exposure model, MAVRIQ (Model for the Analysis of Volatiles and Residential Indoor-Air Quality). The primary goal was to investigate human inhalation exposures to volatile organic compounds (VOCs) resulting from a contaminated domestic water supply by considering human activity patterns, breathing rates, water uses, chemical properties, and other significant factors. He developed the precursor to Total Exposure Model (TEM) called the TCE Inhalation Exposure Model, for the US Air Force, which also modeled exposure to water-borne contaminants in multi-zone indoor environments.

His current projects involves analysis and modeling of indoor exposure to a variety of water-borne contaminants. This work involves representation of chemical emission, fate and transport, human activity patterns, and human exposure via the inhalation, ingestion and dermal routes. TEM is being further developed and utilized, focusing on exposure to disinfection byproducts (DBPs) brought into the indoor environment via the water supply. They include:

  • continuing development of the Total Exposure Model (TEM), a comprehensive exposure model assessing human exposure and dose to indoor pollutants in multi-zone indoor environments using finite difference numerical techniques combined with stochastic representation of human behavior and other model inputs.
     
  • combination field and modeling project is being conducted to examine the link between exposure to disinfection byproducts and birth defects. This is a cooperative project involving the American Water Works Association Research Foundation (AWWARF), the Centers for Disease Control and Prevention (CDCP), and the US EPA (NHEERL, NRMRL, and NERL).

Charles has authored and co-authored more than 25 publications in peer-reviewed journals, chapters in books, and conference papers. 

Charles holds a Ph.D. in Civil Engineering at the Carnegie Mellon University, Pittsburgh, PA. He is currently serving in the Montgomery County Public Schools, Indoor Air Quality Steering Committee.

Visit Charles' bio page to view more of his accomplishments.