Stephen Richardson

Stephen Richardson

7 articles
United States GSI Environmental Inc

Biography

Stephen is a Vice President and Principal Engineer with over 25 years of academic and consulting experience in soil and groundwater remediation, environmental site investigation, engineering design, and research and development. He specializes in the application of innovative strategies to treat recalcitrant compounds in soil, groundwater, and surface water at a range of contaminated sites. Stephen has served as Principal Investigator on multiple DoD-sponsored research projects focusing on PFAS assessment and remediation, bioremediation and abiotic degradation of chlorinated solvents, and cometabolic biodegradation of 1,4-Dioxane.

Publications by Year
Showing 7 of 7
Nanofiltration Followed by Electrical Discharge Plasma for PFAS Destruction in Groundwater
Stephen Richardson GSI Environmental Inc
Poonam Kulkarni GSI Environmental Inc.
Whitney Bailey GSI Environmental
Selma Mededovic Clarkson University
+5 more
Attachment
I1.: Ex Situ PFAS Water Treatment Technologies (Platform)
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
(Group 2, Poster Board #69) An Innovative Plasma Technology for Treatment of AFFF Rinsate from Firefighting Delivery System
Selma Mededovic Clarkson University
Thomas Holsen Clarkson University
Ken Camarco DMAX Plasma Inc
William Knutson DMAX Plasma
+2 more
E5. Innovative Ex Situ PFAS Destruction Technologies (Poster) Poster
E5.: Innovative Ex Situ PFAS Destruction Technologies (Poster)
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
Rapid and Inexpensive Delivery of Activated Carbon for In Situ Sorption of PFAS in Groundwater
Stephen Richardson GSI Environmental Inc
Bonani Langan GSI Environmental Inc.
Michael Mathioudakis GSI Environmental Inc.
Michael Schofield GSI Environmental Inc.
+6 more
A4. Activated Carbon-Based PFAS Treatment Technologies (Platforms) Platform Attachment
A4.: Activated Carbon-Based PFAS Treatment Technologies (Platforms)
2025 Bioremediation Symposium
(Group 1, Poster Board #21) Estimating the Longevity of Colloidal Activated Carbon Barriers for PFAS Treatment in Groundwater
Wade Smith GSI Environmental Inc.
Kade Kearney GSI Environmental Inc.
Sage Clay GSI Environmental Inc.
Hassan Javed GSI Environmental Inc.
+4 more
A4. Activated Carbon-Based PFAS Treatment Technologies (Posters) Poster Poster
A4.: Activated Carbon-Based PFAS Treatment Technologies (Posters)
2025 Bioremediation Symposium
(Group 1, Poster Board #40) Overcoming AFFF Treatment Challenges through High-Temperature Steam Plasma–Driven PFAS Destruction: A Field Demonstration
Stephen Richardson GSI Environmental Inc
Y. Beatrice Li GSI Environmental Inc.
Whitney Bailey GSI Environmental
Cassidy Powell GSI Environmental Inc.
+6 more
A6. Ex Situ PFAS Destruction Technologies: Field Demonstrations (Posters) Poster
A6.: Ex Situ PFAS Destruction Technologies: Field Demonstrations (Posters)
14th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
(Group 1, Poster Board #69) Thermal Steam Plasma Treatment of Volatile PFAS Emissions from Thermal Treatment Technologies
Stephen Richardson GSI Environmental Inc
Pradeep Shukla Synergen Met Ltd.
Michael Mathioudakis GSI Environmental Inc.
Christopher Dunks Synergen Met Ltd.
+10 more
B3. Ex Situ PFAS Treatment: Soils/Solids and Other Waste Streams (Posters) Poster
B3.: Ex Situ PFAS Treatment: Soils/Solids and Other Waste Streams (Posters)
14th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
(Group 1, Poster Board #86) Rapid and Inexpensive Delivery of Activated Carbon for In Situ Sorption of PFAS in Groundwater
Stephen Richardson GSI Environmental Inc
Michael Mathioudakis GSI Environmental Inc.
Bonani Langan GSI Environmental Inc.
Michael Schofield GSI Environmental Inc.
+7 more
C1. In Situ PFAS Treatment Approaches (Posters) Poster Poster
C1.: In Situ PFAS Treatment Approaches (Posters)
14th International Conference on Remediation of Chlorinated and Recalcitrant Compounds