These are documents for REGFORM’s Missouri Air Compliance Seminar, November 5, 2025
Download your certificate of attendance here
The agenda is here.
The attendee list is here.
Sponsor slides with sponsors’ contact information are here.
Attorneys: MoBar has approved this seminar for 7.1 hours of CLE. The course ID for this program is 781585.
Presentation Slides
The green name of the presenter is a live link that launches the slide deck.
9:20 a.m. Air Pollution Control Program: Another Challenging Year, Stephen Hall
10:30 a.m. Changes for EIQ, Josh Vander Veen
10:55 a.m. APCP Compliance: A New Chief is in Town, Lindsay Boyd
11:10 a.m. Transitions in Permitting, Kendall Hale
11:40 a.m. US EPA Region 7 in Transition, Dana Skelley
1:15 p.m. APCP Air Quality Planning: A Program in Overdrive, Mark Leath
2:00 p.m. An Inside Look at Permitting Data Centers, Kelli Deuth, Joseph Stolle
2:50 p.m. Reimagining Environmental Compliance, Kevin Cassil
3:30 p.m. Permitting Deep Dive: Conversations With Permit Writers, Kendall Hale, Braiden Velletta, Hanna Demster, Ryan Reed, Alana Hess, Dan Wilkus
Speaker Bios
Lindsay Boyd, MDNR
lindsay.boyd@dnr.mo.gov
Lindsay Boyd serves with the Missouri Department of Natural Resources’ Air Pollution Control Program, where she works within the Compliance and Enforcement Section as the Chief. In this role, Lindsay oversees compliance assistance efforts and helps regulated facilities understand and meet state and federal air quality requirements. She coordinates with industry representatives, local agencies, and the public to promote clear communication, timely reporting, and effective environmental stewardship. With years of experience in regulatory compliance and public service, Lindsay brings a practical and collaborative approach to ensuring cleaner air for Missouri communities. She is passionate about bridging the gap between regulation and real-world implementation, helping facilities achieve compliance through education, partnership, and proactive support.
Kevin Cassil, Environmental Works, Inc.
kcassil@environmentalworks.com
Kevin has been creating environmental solutions to the benefit of his clients for over four decades. His experience in industry and consulting has cultivated expertise in negotiating remedies, resolving serious enforcement, empowering impaired property redevelopment, supporting high stakes litigation, enhancing environmental compliance and management systems, and counseling for risk management and positive impact to your bottom line. A farm boy turned chemist; Kevin started his career in the laboratory of a pharmaceutical manufacturer who inherited massive environmental liability. That launched his journey navigating myriad aspects of environmental compliance and sustainability, with an intentional focus on the systems and strategies that guide the science and influence business objectives. Today, Kevin is one of EWI’s most experienced Principals, managing Strategic Services for EWI, where he works extensively with corporate leaders and legal counsel on complex issues across the spectrum of your needs.
Hannah Demster, MDNR
hannah.demster@dnr.mo.gov
Hannah Demster is a graduate from Missouri University of Science and Technology with a degree in Environmental Engineering. She graduated in May 2025 and has been working for the Department of Natural Resources’ Air Pollution Control Program as a permit writer since then. Hannah is working toward obtaining her Professional Engineering licensure in the state of Missouri.
Kelli Deuth, Ramboll
kdeuth@ramboll.com
Kelli Deuthhas managed projects in environmental consulting for over 22 years, with specific expertise in air quality, compliance, and environmental justice. She participates in Ramboll’s cross practice environmental justice task force and co-leads the air quality service line environmental justice workgroup. She has extensive experience in air quality permitting and compliance programs, including Title V, PSD, numerous state programs, NSPS and NESHAP compliance, annual emissions reports, toxic release inventory (TRI), Tier II, and greenhouse gas inventories. She leads projects across the country for corporate groups and individual sites.
Kendall Hale, MDNR
kendall.hale@dnr.mo.gov
Kendall Hale is a graduate of Westminster College in Fulton, Missouri with a degree in Chemistry and Mathematics and the University of Missouri-Columbia with a degree in Chemical Engineering. He is a licensed Profession Engineer in the State of Missouri since 2004. He has been with the Missouri Department of Natural Resources’ Air Pollution Control Program for 26 years, the majority of the time has been spent in the Permit Section. He served as the New Source Review Unit Chief from 2004 until 2011. Since 2011 he has severed as the Air Pollution Control Program’s Permit Section Chief since 2011.
Stephen Hall, MDNR
stephen.hall@dnr.mo.gov
Steve Hall became director of the Air Pollution Control Program on Aug. 25, 2021. He oversees approximately 90 full-time team members whose duties range from permit writing and rulemaking to evaluating emissions and helping stakeholders comply with their permits.
Stephen has worked for the department for 22 years and for the Air Program for the last 12 years. Most recently, he served as the chief of the program’s Air Quality Analysis Section. Before working for the State of Missouri, Stephen taught high school Algebra I and Physics. Stephen holds a Master’s of Business Administration from Franklin Pierce College, Rindge NH, with undergraduate double majors in Physics and Mathematics from Gordon College, Wenham, MA.
Alana Hess, MDNR
alana.hess@dnr.mo.gov
Alana Hess is an Environmental Supervisor in Missouri’s Air Pollution Control Program with over 16 years of air permitting experience. She holds a B.S. in Chemical Engineering from the University of Missouri – Columbia and is a licensed Professional Engineer in the State of Missouri. Alana has developed and reviewed hundreds of permits including minor NSR, PSD, non-attainment NSR, PAL, and Title V operating permits. In her current role, she applies her technical expertise to permit review and staff training. Outside of work, she enjoys spending time with her family, caring for her cats, and reading.
Michael Hutcheson, Ameren
MHutcheson@ameren.com
With a Bachelor degree in Nuclear Engineering from the University of Illinois, Michael Hutcheson has spent the last 33 years working on solutions to environmental issues including contaminated site characterization and remediation, emission inventories, modeling, permitting, environmental compliance and regulatory advocacy. Mr. Hutcheson, as Manager, Environmental Services, leads a group of engineers and scientists who are responsible for air quality compliance, monitoring, recordkeeping and reporting for all Ameren Missouri facilities. Mr. Hutcheson also has responsibility for regulatory advocacy activities and maintains leadership positions in multiple industrial environmental advocacy and research organizations. Mr. Hutcheson has a passion for the research on the causes and contributors to air quality problems and for seeking out cost effective solutions.
Paul Jacobson, Spencer Fane
pjacobson@spencerfane.com
Paul helps businesses manage their environmental and workplace safety legal challenges. In the environmental context, Paul helps companies comply with federal and state requirements for all environmental media, navigates site remediation challenges, defends against agency enforcement efforts, and works on a variety of environmental and toxic tort litigation. Paul helps companies with immediate and long-term responses to environmental disasters. Paul also helps clients with California Proposition 65 product labeling requirements.
In the workplace safety context, Paul assists clients with all stages of OSHA inspections and enforcement, and has experience defending inspections involving a wide range of OSHA standards, including Process Safety Management, Permissible Exposure Limits, robotics safety, and more.
Mark Leath, MDNR
mark.leath@dnr.mo.gov
Mark is the Air Quality Planning Section Chief with the Missouri Department of Natural Resources’ Air Pollution Control Program. He is licensed as a professional engineer in the State of Missouri and he holds a Bachelor of Science degree in Civil Engineering from the University of Missouri Columbia. He has been with the Department for nearly 17 years, all of which have been with the Air Quality Planning Section. In those 17 years, he has authored, contributed, or overseen the development of Missouri State Implementation Plans (SIPs) for every type of criteria air pollutant, numerous Missouri air regulations, amendments, and rescissions, and has served as a technical project manager or contributor for several EPA grants administered by the Air Program.
Kevin Perry, REGFORM
kperry@regform.org
Kevin is Assistant Director at REGFORM, a Missouri association focused entirely on State and Federal environmental regulations & policies. He is a registered lobbyist & holds a BS degree in biology. He has over 30 years of experience, including work as a biologist at US EPA Office of Water. He sings in the choir at church.
Ryan Reed, P.E., MDNR
ryan.reed@dnr.mo.gov
Ryan Reed has a bachelor’s degree in Mechanical Engineering from the University of Missouri-Columbia and is a licensed Professional Engineer in the State of Missouri. He has diverse work experience having worked as a commercial and institutional Heating Ventilating and Air Conditioning (HVAC) design consultant as well as served as an HVAC system engineer at a nuclear power facility. Ryan has also spent many years in the restaurant industry both domestically and overseas in Turkiye and holds WorldChef International certification. Ryan has worked for 3 years for MDNR as a permit writer serving as a primary MDNR contact for Doe Run and has experience working on challenging projects including major permitting applicability determinations and PAL permits. He is cross trained in both construction and operating permits.
Dana Skelley, EPA Region 7
skelley.dana@epa.gov
Dana Skelley has been with U.S. EPA Region 7 since 1997, and currently serves as the Director of the Air and Radiation Division. The Air and Radiation Division handles standards implementation, review and approval of state implementation plans, air modeling and monitoring, air toxics, permitting, delegations, indoor air and grants. She began her EPA career with the Office of Regional Counsel and has served in a variety of roles. Dana received a Bachelor of Science in Animal Ecology and Environmental Studies from Iowa State University and a Juris Doctorate from Drake University.
Joseph Stolle, Ramboll
JSTOLLE@ramboll.com
Throughout his career, Joe Stolle has been active in air pre-construction permitting, State Implementation Plan (SIP) coordination, steady and non-steady state dispersion modeling, and emission inventory development. He has worked on numerous minor and major source pre-construction permits, air dispersion modeling studies, and has developed emission inventories for essentially all air pollutants of interest. Additionally, Joe represented industry on several lead SIP revisions including three revisions to the lead SIP in Herculaneum, Missouri and a revision to the lead SIP for the Viburnum trend in Southeast Missouri.
Jeremias Szust, Trinity Consultants
jszust@trinityconsultants.com
Mr. Szust is a Managing Consultant and the Office Manager for Trinity’s St. Louis office with more than 10 years of experience in air quality consulting. He has extensive experience in traditional air quality consulting areas including state and federal air permitting, emissions calculations, compliance tracking, reporting, and expert litigation. Mr. Szust’s main areas of expertise include air dispersion modeling and air toxics related matters. He has conducted and managed both short and long-range transport analyses in support of state-level permit applications, PSD permit applications, and National Environmental Policy Act (NEPA) assessments. He also has a continued focus on air toxics related matters that include the preparation of state and federal Health Risk Assessments (HRA) using various protocols and software, including CARB’s Hot Spots Analysis & Reporting Program (HARP), EPA’s Human Health Risk Assessment Protocol (HHRAP), and EPA’s Human Exposure Model (HEM).
Mr. Szust has been the point contact for numerous clients and has served clients in several industries including Portland cement manufacturing, electric utilities, inorganic chemical manufacturing, liquid petroleum refining, silica sand processing, cement board manufacturing, and semi-conductor manufacturing, among others, across numerous states including Arizona, California, Illinois, Minnesota, Missouri, New Mexico, Nevada, Oregon, Utah, and West Virginia. Mr. Szust serves as a national lead for Trinity’s Health Risk Assessment team and is an instructor for several of Trinity’s environmental training courses on Missouri & Illinois Reporting, Advanced Spreadsheet Functionality for Air Quality Compliance, Dispersion Modeling for Managers, Practical Air Dispersion Modeling Workshop, Introduction to Environmental Reporting in Nevada, and Environmental Justice Policies, Tools, and Best Practices.
Braiden Velletta, MDNR
braiden.velletta@dnr.mo.gov
Braiden Velletta is an Associate Engineer in Air Permits at MDNR. She obtained a Bachelors degree from Clemson University in Material Science and Engineering with a minor in Chemistry 2023. She has a Master of Science degree in Material Science and Engineering, also from Clemson University (2024). She is pursuing EIT certification.
Josh Vander Veen, MDNR
josh.vanderveen@dnr.mo.gov
I was born in Grand Rapids, Michigan and spent my early years in life being fascinated by the weather (particularly winter weather). I further pursued my interest by attending and graduating from the University of Missouri-Columbia with a Bachelor of Science degree in Soil and Atmospheric Science in 2006. I started working for the Missouri Department of Natural Resources with the Air Pollution Program in 2008 as a permit modeler. Since that initial role, I worked in the Department maintaining ambient air monitoring equipment and the associated data, auditing stack tests, managing state vapor recovery requirements in Kansas City and St. Louis, and working in the Gateway Vehicle Inspection Program. I am currently the Air Quality Analysis Section Chief with the Department’s Air Pollution Control Program. The Air Quality Analysis team is responsible for managing the Program’s files, small business assistance, emissions inventories, and the ambient air monitoring network. In my free time I enjoy being with family, being outside, watching pretty much any movie, and watching the weather.
Roger Walker, REGFORM
rwalker@regform.org
Roger has a private legal practice focusing on permitting, compliance, and enforcement, but spends most of his time managing REGFORM, a business association in MO that works on numerous regulatory matters. He has a JD from UMKC and LLM from Lewis & Clark School of Law.
Dan Wilkus, Evergy
dan.wilkus@evergy.com
Dan is the Director, Environmental Services, for Evergy, Inc. headquartered in Kansas City, Missouri. Dan has over 30 years of regulatory permitting experience both as a consultant and as a member of the electric utility industry. His experience includes overseeing air and water compliance related activities as well as regulatory construction and operating permit projects. Over his career, Dan has worked with numerous electrical and industrial facilities regarding environmental regulatory issues. Dan obtained a Bachelor of Science in Civil Engineering and a Bachelor of Science in Atmospheric Sciences both from the University of Kansas. He is a licensed Professional Engineer in the State of Kansas.