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Center for the Remediation of Complex Sites

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  4. 2025 Summit

2025 RemPlex Global Summit Awards

Thank you for attending the 2025 RemPlex Global Summit on Environmental Remediation held at Pacific Northwest National Laboratory (PNNL) on November 4-6, 2025. This page includes the best presentation and poster awards, and the most up-to-date post-event information.

Best Presentation Awards

Technical Session 1 Winner

R. Amzi Jeffs

Pacific Northwest National Laboratory

Technical Session 1: Advancing Subsurface Characterization and Monitoring Solutions

"A Lightweight, Flexible, Multitask AI Pipeline for Geophysical Inversion"

Coauthors: Piyoosh Jaysaval and Fred Day-Lewis (PNNL)

File

2025 RemPlex - Day 1 - Technical Session 1 - R. Amzi Jeffs - Geophysical Inversion
Technical Session 2 Winner

Jo-Anne Wakem

Canadian Nuclear Laboratories

Technical Session 2: Rethinking Remediation from Sustainability and Circularity Perspectives

Embedding Sustainability, Resilience, and Circularity into Environmental Site Assessment and Remediation at Canadian Nuclear Laboratories

File

2025 RemPlex - Day 1 - Technical Session 2 - Jo-Anne Wakem - CNL
Technical Session 3 Winner

Sean Sandborgh

Newport News Nuclear BWXT-Los Alamos, LLC (N3B-Los Alamos)

Technical Session 3: Data Management as a Foundation for Environmental Decision-Making

Environmental Data Management at Los Alamos National Laboratory

Coauthors: William Donaldson, John P. Garrett, Angelica Maestas, Paul Mark, Jen Patureau, Helen Westbrook, and Corey White (N3B-Los Alamos)

File

2025 RemPlex - Day 1 - Technical Session 3 - Sean Sandborgh - Environ Data Management at LANL
Technical Session 4 Winner

Corey Wallace

RSI EnTech, LLC

Technical Session 4: Modeling for Risk Evaluation and Remedy Design

From Realizations to Relevance: Ensemble Refinement and Composite Plume Mapping for Contaminant Fate and Transport Modeling

File

2025 RemPlex - Day 2 - Technical Sessions 4 - Corey Wallace - Realizations to Relevance
Technical Session 5 Winner

Daniel Kaplan

Savannah River Ecology Laboratory, University of Georgia

Technical Session 5: Resilience Planning and Long-Term Stewardship

Uranium Remobilization from a Riparian Wetland: Implications on Long-Term Stewardship and Extreme Rain Events

Coauthors: Karah M. Greene and Wei Xing (University of Georgia); Arelis M. Rivera-Giboyeaux Savannah River National Laboratory; Peng Lin (University of Georgia)

File

2025 RemPlex - Day 2 - Technical Session 5 - Daniel Kaplan - Uranium Remobilization
Technical Session 6 Winner

Keith Tayler

Office of the Supervising Scientist, Australian Government

Technical Session 6: From Earth to Orbit: Autonomous Measurements and Remote Sensing

Remotely Sensed Data for the Assessment of Uranium Mining Rehabilitation in Northern Australia

Coauthor: Josh Koh (Office of the Supervising Scientist, Australian Government)

File

2025 RemPlex - Day 2 - Technical Sessions 6 - Keith Tayler - Remotely Sensed Data
Technical Session 7 Winner

Selman Mujovic

Purafide

Technical Session 7: PFAS Progress: Evolving Science, Policy, and Solutions

Plasma's Role in PFAS Remediation

Coauthor: Luis Arias (Purafide)

File

2025 RemPlex - Day 3 - Technical Session 7 - Selman Mujovic - Plasmas Role in PFAS
Technical Session 8 Winner

Joel Wells

Sellafield, Ltd.

Technical Session 8: Revolutionizing Environmental Remediation with Artificial Intelligence

Characterisation of Hydrogeological Systems Using Timeseries Analysis

File

2025 RemPlex - Day 3 - Technical Session 8 - Joel Wells - Characterisastion of Hydrogeological Systems
Technical Session 9 Winner

Aaron Marshall

Tradewind Services

Technical Session 9: Achieving Remediation End States

KW & KE Groundwater Remediation: KW Soil Flushing History & Rebound Test Results and KE Soil Flushing Operations

Coauthor: Ellwood Glossbrenner

File

2025 RemPlex - Day 3 - Technical Session 9 - Ellwood Glossbrenner-Aaron Marshall - KW KE Groundwater Remediation
Best Poster Award

Jacqueline Hager

Pacific Northwest National Laboratory

Poster Session

Treating More with Less: Hybrid Ion Exchange Resins for the Remediation of Comingled Groundwater Contaminants

Coauthors: Sarah Saslow, Carolyn Pearce, Tatiana Levitskaia, Rachel Anguish, Elsa Cordova, Kelly Rue, Nancy Escobedo, Mark Bowden, Daria Boglaienko, Nabajit Lahiri, Mark Engelhard, Emily Nienhuis-Marcial, Jose Marcial, Mariah Doughman, Alex Kugler, and Suraj Pochampally (PNNL); Larry Gottlieb (ResinTech, Inc.); Mark Carlson (Oregon State University)

File

RemPlex 2025 Poster PDF - Jacqueline Hager

Missed the Event?

Summit video recordings can be found linked throughout the site—as are the presentation PDFs—for the opening sessions, case studies, lunch programs, and technical sessions.

What's Next?

We strive to host the RemPlex Global Summit every two years. Stay connected with upcoming seminars and events by signing up for the RemPlex newsletter here.  

Contacts

Karen P. Smith
Advisor, Environmental Assessment; Deputy Director of Operations, RemPlex
karen.p.smith@pnnl.gov
(509) 371-6355
Nik Qafoku
Laboratory Fellow, Environmental Subsurface Science; Deputy Director of Outreach, RemPlex
Nik.Qafoku@pnnl.gov
(509) 371-6089

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