Tracy L. Dombek

Research Chemist, Analytical Sciences

Tracy L. Dombek


  • M.S., Chemistry, Eastern Illinois University
  • B.S., Chemistry, Eastern Illinois University

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Ms. Tracy Dombek has been involved with data collection and analysis efforts for networks that characterize wet and dry deposition of pollutants from the atmosphere for more than 15 years. During her career, she has been responsible for the instrumental analysis, data analysis and management of projects that provide long-term trends data for sulfate, nitrate, ammonium, chloride, sodium, potassium, magnesium and calcium. These data are used by scientists and researchers across the globe and also by government agencies to regulate and control emissions to protect the environment. She also has extensive experience with passive gaseous monitors that are used as personal and ambient environmental monitors to measure exposure to toxic gases such as nitrogen oxides, sulfur oxides, and ozone and concentrations in the atmosphere. She has extensive experience qualifying data and setting up quality control practices that produce scientifically defensible data.

Ms. Dombek has expertise in developing colorimetry methods for environmental analysis that include Lachat methods for nitrogen species, including ammonium, nitrate, and total nitrogen and total phosphorous. She also has extensive method development and analytical experience using Ion Chromatograph systems.