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Elizabeth Hagen

Project Scientist

Elizabeth has been supporting facilities with air permitting and environmental compliance since 2014.  She has experience with emissions inventories, Title V/SIP and PSD permit applications, regulatory analyses, and compliance recordkeeping/reporting in various industries, including wood products, pulp and paper, gypsum, and biomass power.  Additionally, Elizabeth performs air dispersion modeling and is a capable GIS user.  She also assists with the preparation of EPCRA Tier II and Toxic Release Inventory (TRI) Reports.

Areas of Expertise

  • Title V / SIP air permit applications
  • Air compliance, recordkeeping, and reporting
  • Emissions inventory calculations
  • PSD / NAA NSR / State BACT applicability determinations
  • Toxic impact assessments
  • Air dispersion modeling
  • Performance testing support
  • Greenhouse gas (GHG) emissions calculations and reporting
  • EPCRA 312 (Tier II) & 313 (TRI/Form R) reporting


B.S. Environmental Science, 2015
Auburn University, Auburn AL


  • Air Dispersion Modeling – AERMOD
  • OSHA 40 Hour Health & Safety Training
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