Session 6 – Thursday June 11, 2026
Madison Ballroom

Session 6 :  State, Local and Tribal Concerns Connecting Air Quality to Atmospheric Deposition
Moderators: Mike McHale, U.S. Geological Survey and Melissa Puchalski, U.S. Environmental Protection Agency

Panel Participants

Angie Dickens

Dr. Angie Dickens is the data scientist for the Lake Michigan Air Directors Consortium (LADCO), where she helps states understand the factors causing air pollution in the Great Lakes region, particularly ozone pollution. Prior to that, she worked as an air policy analyst with the Wisconsin Department of Natural Resources. She also served in the U.S. EPA’s Office of Transportation and Air Quality as a science policy fellow and at Mount Holyoke College as an assistant professor of environmental chemistry. She has a Ph.D. from the University of Washington and a B.A. from Carleton College, both in chemistry.

Contact: dickens@ladco.org

Yasi Hassanzadeh

Yasi Hassanzadeh is a Research Scientist with the New York State Department of Environmental Conservation Division of Air Resources. Her responsibilities include data management, QA/QA, and program support for New York’s statewide ambient air quality network, and she is the lead for the program’s deposition monitoring. Yasi started her career with NYSDEC in 2019 and has worked in Air Resources since 2022.

Contact: Yasi.Hassanzadeh@dec.ny.gov

Stacy Knapp

Now in her 12th year at the Maine Department of Environmental Protection, Stacy Knapp is the Director of the Division of Air Quality Assessment in the Air Bureau. In this role she and her team are primarily responsible for ambient air monitoring, air quality forecasting, and air toxics assessment. Stacy holds a Bachelor of Science in biology from St. Lawrence University as well as both a Master of Business Administration and a Master of Science in environmental health and engineering from Gannon University.

Contact: Stacy.R.Knapp@maine.gov

Janice Lam Snyder

Janice Lam Snyder is the Director of Community Air Protection for the Sacramento Metropolitan Air Quality Management District, where she leads federal, state, and community-level air quality programs, including the development of State Implementation Plans (SIPs), emissions inventories, air quality monitoring, rule development, and community engagement. She began her career at UC Davis’ Crocker Nuclear Laboratory, developing analytical methods for air pollution samples, and now helps translate air quality science into regional policy and local action. Janice served as Principal Investigator for EPA grant-funded studies on woodsmoke and air toxics in local communities, as well as a separate study on mobile-source air toxics. With more than 20 years of experience in air quality and environmental policy, she has worked extensively on air monitoring, wildfire smoke and exceptional events analysis, wood smoke reduction, and community-based research. She holds a B.S. in Applied Physics from UC Davis and an M.S. in Environmental Planning and Management from Johns Hopkins University.

Contact: jlam@airquality.org