Join Stone at the American Chemical Society's Fall 2026 Meeting
Stone is excited to again be sponsoring and participating in the American Chemical Society's (ACS) Fall 2026 Meeting, from Sunday, August 23, to Thursday, August 27, 2026, in Chicago.
We have long supported the conference, and our employee-owners are eager to share another year's worth of experience in multiple presentations covering a range of crop protection-related topics, pollinator risk assessment and data analysis, and the use of machine learning in safety assessments. We'll also be a sponsor for the conference's AGRO program.
See the table below for a list of presentations with links to detailed descriptions. Feel free to connect with our employee-owners attending ACS: Ben Brayden; Jonnie Dunne; Tim Dupuis; John Hanzas; Jacob Mitchell; Dwayne Moore; Hendrik Rathjens; Jody Stryker; and Michael Winchell.
Click on Presentation title for more information |
Authors |
Date, Time, and Place |
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Session: Pollinator Risk Assessment Methods and Data Analysis Approaches in a Tiered Risk Assessment System |
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Presenter: Dwayne Moore, Stone Environmental. Co-Authors: R. Scott Teed, Stone Environmental; Amund Løvik; Charlotte Elston. |
Monday, August 24, 10:20 - 10:45 a.m., EDT Room: S502b McCormick Place Convention Center |
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Session: Precision Application of Agricultural Pesticides in the Digital Age |
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Tiered Framework for Environmental Exposure Assessment of Precision Pesticide Applications (4541048) |
Presenter: Hendrik Rathjens, Stone Environmental. Co-Authors: Olivier de Cirugeda Helle; Neil Mackay; Sebastian Multsch; Dirk Nickisch; David Patterson; Jörn Strassemeyer; Robin Sur; Bernhard Gottesburen. |
Monday, August 24, 4:20 - 4:45 p.m. EDT Room: S503a McCormick Place Convention Center |
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Session: Applications of Machine Learning and Large Language Models in Pesticide Safety Assessments |
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Random Forest Modeling of Drift Interception by Plant Species (4533374) |
Presenter: Jonnie Dunne, Stone Environmental. Co-Authors: Jens Kiesel, Stone Environmental; Michael Winchell, Stone Environmental; Milos Zaric; Jeff Golus; Richard Brain. |
Monday, August 24, 5:40 - 6:05 p.m., EDT Room: S502b McCormick Place Convention Center |
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Presenter: Hendrik Rathjens, Stone Environmental. Co-Authors: Jens Kiesel, Stone Environmental. Richard Brain; Wenlin Chen. |
Monday, August 24, 6:05 - 6:30 p.m., EDT Room: S502b McCormick Place Convention Center |
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Session: Environmental Fate, Transport, and Modeling of Agriculturally Related Chemicals |
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Dicamba and 2,4-D Levels in Midwestern United States Rainwater in 2022 and 2023 (4532262) |
Presenter: Sara Whiting. Co-Authors: Lance Shuler; Naresh Pai; Allen Olmstead; Brent Toth; Jacob Mitchell, Stone Environmental; Karla Gage; Scott Nolte; Reid Smeda. |
Monday, August 24, 12:05 - 12:30 p.m., EDT Room: A2 – South Hall ChemPod 1 McCormick Place Convention Center |
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Presenter: Michael Winchell, Stone Environmental. Co-Authors: Hendrik Rathjens, Stone Environmental; Scott Teed, Stone Environmental; Christopher Holmes; Ralph Warren; Huajin Chen; Patrick Havens; Tilghman Hall; Paul Whatling; Rebecca Haynie. |
Monday, August 24, 5:40 - 6:05 p.m., EDT Room: A2 – South Hall ChemPod 1 McCormick Place Convention Center |
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Presenter: Michael Winchell, Stone Environmental. Co-Authors: Hendrik Rathjens, Stone Environmental; Scott Teed, Stone Environmental; Ralph Warren; Eric Henry; Christopher Hassinger. |
Monday, August 24, 6:30 - 6:55 p.m., EDT Room: A2 – South Hall ChemPod 1 McCormick Place Convention Center |
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Session: Unmanned Aerial Systems (aka Drones): Pesticide Spraying and Other Agricultural Applications |
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Presenter: Tim Dupuis, Stone Environmental. Co-Authors: Brent Toth; Frank Donaldson; Rajeev Sinha; Andrew Hewitt. |
Thursday, August 27, 9:05 - 9:30 a.m., EDT Room: S503a McCormick Place Convention Center |
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Key Factors Affecting Drift Deposition from Unmanned Aerial Vehicle Applications (4541708) |
Presenter: Dwayne Moore, Stone Environmental. Co-Author: Sebastian Castro-Tanzi. |
Thursday, August 27, 9:30 - 9:55 a.m., EDT Room: S503a McCormick Place Convention Center |
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Presenter: Dwayne Moore, Stone Environmental. Co-Authors: Michael Winchell, Stone Environmental; Sebastian Castro-Tanzi; Bradley Fritz. |
Thursday, August 27, 9:55 - 10:20 a.m., EDT Room: S503a McCormick Place Convention Center |
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Session: Protection of Agricultural Productivity, Public Health, and the Environment |
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Presenter: Jody Stryker, Stone Environmental. Co-Authors: Hannah Rubin, Stone Environmental; Jens Kiesel, Stone Environmental; Michael Winchell, Stone Environmental. |
Thursday, August 27, 9:55 - 10:20 a.m., EDT Room: S502a McCormick Place Convention Center |
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