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Schedule
2026
Tuesday, May 5th
8:30 AM

Subsurface Delineation of Coal Combustion Residuals Using Multiple Geophysical Methods

Eric Hageman, Tennessee Valley Authority
Adam Rak, Key Environmental, Inc.
Thomas Jordan, Youngstown State University
Kate McKinley, THG Geophysics

Lexington, Kentucky

8:30 AM - 9:00 AM

10:30 AM

Demystifying Large Language Models: How AI Is Transforming Data, Compliance, and Decision-Making in Coal Ash and Environmental Management

Scott Pfeiffer, Remedial Construction Services, LLC

Lexington, Kentucky

10:30 AM - 11:00 AM

10:30 AM

Expert Perspectives on the U.S. Coal Combustion Products Market – Now, Then, and the Future

Mark Rokoff, Burns & McDonnell
David Cox, FirmoGraphs, LLC
Walter LeMaire, Heidelberg Materials
John Ward, John Ward, Inc.

Lexington, Kentucky

10:30 AM - 12:00 PM

11:00 AM

Alternative Cover Permitting and the CCR Rule

Evan Andrews, Watershed Geo
Victor Damasceno, Geosyntec Consultants, Inc.

Lexington, Kentucky

11:00 AM - 11:30 AM

11:00 AM

Application of Stable Isotopes in an Alternative Source Demonstration

Alison O'Connor, Ramboll

Lexington, Kentucky

11:00 AM - 11:30 AM

11:00 AM

CCR Landfill Closure Challenges, Solutions and Innovation

Jay Mokotoff, AECOM
Drew Browning, AECOM
Steve Applegate, Watershed Geo

Lexington, Kentucky

11:00 AM - 11:30 AM

11:00 AM

Distinguishing CCP from Nuclear Impacts in Groundwater

Lea Millet, EPRI

Lexington, Kentucky

11:00 AM - 11:30 AM

11:00 AM

Engineering Granulometry to Optimize Performance of Reclaimed Ash

Russell Hill, ReVanTEC Solutions

Lexington, Kentucky

11:00 AM - 11:30 AM

11:00 AM

Sustainability and Waste Diversion at TVA Shawnee "Project Phoenix"

Bryan Jacob, Watershed Geo
Shane Harris, Tennessee Valley Authority

Lexington, Kentucky

11:00 AM - 11:30 AM

11:30 AM

Optimization of Remedial Strategies for CCR Site Corrective Action Through Advanced Geochemical Modeling

Cole Mayer, WSP
PJ Nolan, WSP

Lexington, Kentucky

11:30 AM - 12:00 PM

11:30 AM

The Importance of Evaluating Drinking Water Exposure Pathway for Assessing Risks from CCR Sites

Ari Lewis, Gradient
Ishita Shrivastava, Gradient

Lexington, Kentucky

11:30 AM - 12:00 PM

1:00 PM

Abundances of Elements in Global Coals

Shifeng Dai, China University of Mining and Technology (Beijing)

Lexington, Kentucky

1:00 PM - 1:30 PM

1:00 PM

Consolidation Modeling to Support Closure Planning of an Upstream Raise CCR Surface Impoundment Containing FGD Material

Tanya Walkenbach, WSP
Craig Schuettpelz, WSP
Todd Stong, WSP
Shane Stockdill, Rainbow Energy Center

Lexington, Kentucky

1:00 PM - 1:30 PM

1:00 PM

EPRI CCP Beneficiation Research Update

Benjamin Gallagher, EPRI
Patrick Webb, EPRI

Lexington, Kentucky

1:00 PM - 1:30 PM

1:00 PM

Investigating the Performance of Processed Stockpile Fly Ash for Low Carbon Concrete

Michael McCarthy, School of Science and Engineering, University of Dundee
Arfas Habeeb, School of Science and Engineering, University of Dundee
Laszlo Csetenyi, School of Science and Engineering, University of Dundee
Roderick Jones, School of Science and Engineering, University of Dundee

Lexington, Kentucky

1:00 PM - 1:30 PM

1:00 PM

Investigation of a Historical Coal Combustion Residuals Management Unit (CCRMU)

Todd Stong, WSP
Shane Stockdill, Rainbow Energy Center
Erin Hunter, WSP

Lexington, Kentucky

1:00 PM - 1:30 PM

1:00 PM

Lessons Learned from Managing Ash Pond Closure Waters

Danny Stephens, Tennessee Vallely Authority
Tom Geeza, Geosyntec
Phil Benson, Geosyntec
Ashwin Ranna, Geosyntec

Lexington, Kentucky

1:00 PM - 1:30 PM

1:00 PM

Risk Evaluation of Small Coal Combustion Residual Management Unit (CCRMU) Fills

Andrew Bittner, Gradient
John Kondziolka, Gradient
Qian Zhang, Gradient
Masoud Arshadi, Gradient

Lexington, Kentucky

1:00 PM - 1:30 PM

1:00 PM

Solar Solution for Closed CCR Units and Adjacent Land

Chris Fairey, Watershed Geo

Lexington, Kentucky

1:00 PM - 1:30 PM

1:00 PM

Transportation Logistics Panel

John Ward, John Ward, Inc.
Andrew Vollmer, Norfolk Southern
Tracy Zea, Waterways Council, Inc.
Marci Jenks, EcoMaterial Technologies

Lexington, Kentucky

1:00 PM - 3:00 PM

1:30 PM

Benefits of Containerized Water Treatment Systems for Coal-Fired Power Plants

Andrew Vincent, GWTT - Ground/Water Treatment Technology

Lexington, Kentucky

1:30 PM - 2:00 PM

1:30 PM

Rare Earth Element Distribution and Mineral Host in Coal derived Ash from South African Power Stations

Sanki Biswas, University of Johannesburg,
Nicola Wagner, University of Johannesburg,
Oftense Moroeng, University of Johannesburg,

Lexington, Kentucky

1:30 PM - 2:00 PM

1:30 PM

Thermal and Mechanical Activation of Estonian Oil Shale CFBC and Hydrated Legacy Fly Ash as an Alternative Binder System for OPC Replacement

Peeter Paaver, Tartu University

Lexington, Kentucky

1:30 PM - 2:00 PM

2:00 PM

Advancing CCR Site Management with Rapidly Deployable GCCM Technology for Runoff and Drainage Control

Nathan Ivy, Concrete Canvas, USA

Lexington, Kentucky

2:00 PM - 2:30 PM

2:00 PM

AI-Guided Upcycling of Coal Combustion Residues in Blended Cement and Concrete

Hongyan Ma, Missouri University of Science and Technology

Lexington, Kentucky

2:00 PM - 2:30 PM

2:00 PM

CCR 2026: The Plot Thickens—Your Complete Guide to What’s Next

Mark Rokoff, Burns & McDonnell

Lexington, Kentucky

2:00 PM - 2:30 PM

2:00 PM

Comparison of Residuals from Neighboring Power Stations with Different Coal Combustion Technologies

Allan Kolker, U.S. Geological Survey
Denise Levitan, U.S. Geological Survey
Brett Valentine, U.S. Geological Survey

Lexington, Kentucky

2:00 PM - 2:30 PM

2:00 PM

IMPACTS OF UPDATING BACKGROUND GROUNDWATER STATISTICS FOR CCR COMPLIANCE

May Raad, HDR
Molly Reeves, HDR

Lexington, Kentucky

2:00 PM - 2:30 PM

2:00 PM

Leachate Quantification and Reduction – One Facility’s Path to ZLD

Cedric Ruhl, EOT, LLC

Lexington, Kentucky

2:00 PM - 2:30 PM

2:00 PM

Standardization of Coal Ash Testing, Classification, and Harvesting

Benjamin Gallagher, EPRI
Chris Frishcosy, University of Tennessee at Chattanooga
Eric Hageman, Tennessee Valley Authority

Lexington, Kentucky

2:00 PM - 2:30 PM

2:30 PM

Developing concentrated brines / salt slurries for disposal of coal ash wastewaters.

Lance Edling, Xylem

Lexington, Kentucky

2:30 PM - 3:00 PM

2:30 PM

From Clogs to Compliance: Overcoming Persistent Leachate Head Issues in CCR Landfills

BreAnne Kahnk, TRC
Zachary Bauman, TRC

Lexington, Kentucky

2:30 PM - 3:00 PM

2:30 PM

Lessons Learned from a Full-Scale Discrete In-Situ Stabilization Project for CCR Impoundment Closure

Tony Moran, ENTACT, LLC
Paul Jennings, ENTACT, LLC
Jacob Susser, ENTACT, LLC
Tim Silar, Silar Services

Lexington, Kentucky

2:30 PM - 3:00 PM

2:30 PM

PLASMA COAL ASH PROCESSING FOR ENHANCED RECOVERY OF RARE EARTH ELEMENTS & PRECIOUS METALS: PROVEN FROM R&D TO COMMERCIAL PLANTS

George Paskalov, Plasma System LLC USA
Victoria Campbell, Omstar Technology LLC USA
Jason Honigberg, Omstar Technology LLC USA

Lexington, Kentucky

2:30 PM - 3:00 PM

2:30 PM

Probing the critical element chemistry of coal-combustion fly ash: Electron microbeam investigations of the spent ash from the pilot-scale acid extraction of rare earth elements from a beneficiated Kentucky fly ash

James Hower, UK CAER

Lexington, Kentucky

2:30 PM - 3:00 PM

2:30 PM

Providing Perspective on Arsenic Risks in the Human Health Risk Evaluation of Coal Combustion Products (CCPs)

Ari Lewis, Gradient

Lexington, Kentucky

2:30 PM - 3:00 PM

2:30 PM

ReCinis™ Wet Beneficiation Process for Landfilled Coal Ash

Tim Sambrook, ReVanTEC Solutions

Lexington, Kentucky

2:30 PM - 3:00 PM

2:30 PM

Revolutionizing Closure Systems: The Performance Advantages of Structured Geomembranes

Scott Perugia, AGRU America

Lexington, Kentucky

2:30 PM - 3:00 PM

3:00 PM

State Permitting Program Update

Jessica Reiss, Barnes & Thornburg LLP

Lexington, Kentucky

3:00 PM - 3:30 PM

3:00 PM

Zero-waste and high-value valorization of coal combustion residues via critical minerals recovery and cementitious materials production

Hongyan Ma, Missouri University of Science and Technology

Lexington, Kentucky

3:00 PM - 3:30 PM

3:30 PM

Coal Ash-Derived Aluminosilicate Precursors: A Chemical Engineering Approach to Geopolymer Characterization

Abdullah Bashir, University of Louisiana at Lafayette
Abdur Raafey, University of Louisiana at Lafayette
Dilip Depan, University of Louisiana at Lafayette

Lexington, Kentucky

3:30 PM - 5:00 PM