Air Dispersion Modeling

Geosyntec skillfully guides clients through the development of strategic approaches to air permitting that often result in the avoidance of major source permitting requirements, such as Prevention of Significant Deterioration (PSD) or non-attainment area New Source Review.

However, when avoidance is not an option, our team of air dispersion modelers and control technology experts have the experience necessary to respond to the challenges associated with major source permitting requirements, including performing control technology evaluations (Best Available Control Technology and Lowest Achievable Emission Rate) and ambient air impact analyses (National Ambient Air Quality Standards, PSD Increment, and state Toxic Air Pollutant demonstrations).

Our advanced collection and measurement methods allow us to generate robust data for air dispersion models that describe the complex behavior of pollutants in the air and how they interact with their environment. By replicating such conditions as wind speed, wind direction, atmospheric chemistry, temperatures, and mixing height, our models can estimate the concentration of a wide array of emissions as they move through or away from their source.

Armed with this data, our engineers and scientists can accurately assess how a source affects a particular area and consult with clients on the development of comprehensive environmental management strategies that allow industrial facilities to meet local, state, and national compliance requirements.


Lead Consultants

  • Kate Graf, PEE
    Kate Graf is a Principal Engineer based in Pennsylvania with more than 20 years of experience focused on providing air quality services to industrial clients. Her experience spans environmental eng ...
  • Daniel Elliott, Ph.D.
    Dan Elliott is a Senior Consultant based in New Jersey with more than 25 years of global experience managing and performing environmental due diligence assessments, characterizing and quantifying e ...
  • Elaina Modlin, P.E.
    Elaina Modlin is a Principal Environmental Engineer based in Florida with more than 20 years of experience focused on a wide variety of environmental services including regulatory compliance and pe ...
  • Curtis Laush, Ph.D.
    Curtis Laush is a Senior Physical Chemist based in Tennessee with more than 20 years of professional experience focused on the detailed analysis, monitoring, tracking, and management of air emissio ...
Geosyntec Consultants
Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

Follow Us