David Kempisty

David Kempisty

9 articles
United States Onterris

Biography

Dave is Vice President of Technology at Onterris. In this capacity he participates in a wide variety of projects including waste-to-value efforts, selenium and metalloid treatment, produced water applications, and (of course), PFAS. Dave has a PhD from the University of Colorado-Boulder where he studied the removal of PFAS and carcinogenic volatile organic compounds from groundwater using granular activated carbon. Prior to joining Onterris and private industry, Dave served 22 years in the US Air Force.

Publications by Year
Showing 9 of 9
Regenerable Resin Five Years Later: What We’ve Learned
David Kempisty ECT2
Erika Houtz ECT2
Margaret Thompson ECT2
Paul Newman ECT2
+1 more
Attachment
I1.: Ex Situ PFAS Water Treatment Technologies (Platform)
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
AFFF Transition to Fluorine-Free Foam: Waste Minimization
David Kempisty ECT2
Chad Bennett ECT2
Steve Woodard ECT2
Michael Nickelsen ECT2
Attachment
E4.: Ex Situ PFAS Treatment Approaches (Platform)
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
(Group 1, Poster Board #168) Sensitive and Portable Field-Ready Detection of PFAS Compounds Through a Sensor Modality
David Lloyd FREDsense Technologies Corp.
David Kempisty ECT2
Steve Woodard ECT2
Robert Mayall FREDsense Technologies Corp.
+1 more
E1. Advances in the Analysis of Non-Target Per- and Polyfluorinated Alkyl Substances (PFAS) (Poster) Poster
E1.: Advances in the Analysis of Non-Target Per- and Polyfluorinated Alkyl Substances (PFAS) (Poster)
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
(Group 2, Poster Board #255) Prediction of Ion Exchange System Treatment of Per- and Polyfluoroalkyl Substance Using Rapid Small-Scale Column Testing
Margaret Thompson ECT2
David Kempisty ECT2
Michael Nickelsen ECT2
I6. PFAS: Groundwater Treatment Case Studies (Poster) Poster
I6.: PFAS: Groundwater Treatment Case Studies (Poster)
13th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
(Group 1, Poster Board #10) Regenerable Resin for PFAS Removal: 5 Years Later...What We've Learned
David Kempisty ECT2
A3. Innovative Treatment Technologies for PFAS Ex Situ (Posters) Poster
A3.: Innovative Treatment Technologies for PFAS Ex Situ (Posters)
2025 Bioremediation Symposium
(Group 2, Poster Board #61) Selenium Challenge and a New Solution
David Kempisty ECT2
D7. Bioremediation in Complex Geological Settings (Posters) Poster
D7.: Bioremediation in Complex Geological Settings (Posters)
2025 Bioremediation Symposium
Smarter AFFF Transitions: Better Cleaning with Less Waste and Liability
David Kempisty Onterris
Jack Besse ECT2
Patrick McKeown ECT2
B5. Strategies for AFFF Foam Transition (Platforms) Platform Attachment
B5.: Strategies for AFFF Foam Transition (Platforms)
14th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
Novel Treatment Train Employed to Address PFAS and Oil Spill Contaminated Stormwater
Steve Woodard ECT2
Michael Nickelsen ECT2
John Berry ECT2
David Kempisty Onterris
+1 more
C8. PFAS-Impacted Stormwater/Surface Water Management (Platforms) Platform Attachment
C8.: PFAS-Impacted Stormwater/Surface Water Management (Platforms)
14th International Conference on Remediation of Chlorinated and Recalcitrant Compounds
(Group 1, Poster Board #238) A Novel Treatment Approach to an Emerging Contaminant: Selenium in Mining and Refining Wastewater
Madan Tandukar ECT2
David Kempisty Onterris
Steve Woodard ECT2
Michael Nickelsen ECT2
G2. Precipitation and Stabilization of Metals (Posters) Poster
G2.: Precipitation and Stabilization of Metals (Posters)
14th International Conference on Remediation of Chlorinated and Recalcitrant Compounds