Shagun Bhat, Ph.D.

Shagun Bhat is a Senior Environmental Engineer based in Texas with 10 years of professional experience focused on air quality management, including air quality permitting and compliance, air dispersion modeling, emissions inventory development, optical emissions measurement technologies, and air quality planning and management.

Shagun has managed numerous federal Prevention of Significant Deterioration (PSD) and state New Source Review (NSR) projects chemical, petrochemical and batch chemical manufacturing plants. He has extensive experience in regulatory air dispersion modeling and has conducted numerous PSD, National Ambient Air Quality Standards (NAAQS) and increment modeling analyses in support of a PSD permit applications for a variety of chemical plants.

Private sector clients rely on Shagun’s experience regarding chemicals, oil and gas, refining, storage terminals, surface coating, and batch chemical manufacturing. Shagun has also assisted public sector clients including the Texas Commission on Environmental Quality (TCEQ), local governmental agencies such as North Central Texas Council of Governments (NCTCOG) and, industry groups such as the American Petroleum Institute (API). Shagun's areas of expertise include New Source Review (NSR) permitting, air dispersion modeling, emissions inventory development, use of optical technologies for emission inventory improvement and air compliance audits. Shagun has also worked with industry groups such as the API to provide comprehensive comments to the USEPA on their Emissions Modeling Platform, particularly for refinery and petrochemical sources. This consists of a comprehensive review of the emissions inventory data, supporting data and methods that are used to process the National Emission Inventory (NEI) and related data into a usable form for local and regional scale air quality modeling.

At both plant and regional levels, Shagun has helped develop and improve comprehensive air emission inventories. Some of these projects also include the use of optical technologies such as Solar Occultation Flus (SOF), Open-Path Fourier Transform Infrared (OP-FTIR) and Vertical Radial Plume Mapping (VRPM) to improve emission inventories. He is proficient in the use of wastewater emissions model Toxchem® to estimate emissions from a wastewater treatment plants at refineries and chemical plants.

Shagun serves on the Board of Affiliates for the Rice University Professional Science Master’s Program within the Weiss School of Natural Resources. A member of the Air & Waste Management Association, Shagun currently serves on the board as Chair for the Gulf Coast Chapter, and has been on multiple Hot Air Topics Conference committees.

Contact Shagun Bhat at This email address is being protected from spambots. You need JavaScript enabled to view it. or +1-281-920-4601.

Career Summary: Shagun Bhat, Ph.D.

  • Education: Ph.D., Civil and Environmental Engineering, Rice University, Houston, Texas, 2008; M.S., Chemical Engineering, Lamar University, Beaumont, Texas, 2003; B. Tech., Chemical Engineering, Dr. B. A. Technological University, Maharashtra, India, 1999
  • Practice Areas: Air Quality Management and Air Pollution Control
  • Disciplines: Chemical Engineering, Environmental Engineering
  • Specialties: Air Quality Permitting; Air Dispersion Modeling; Emissions Inventory Development and Improvement; Open-path Monitoring; Air Quality Compliance Auditing
Geosyntec Consultants
Geosyntec is a specialized 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.

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