SAME Environmental COI Webinar: Environmental Sequences Stratigraphy (ESS) in Practice

About This Webinar

Environmental Sequence Stratigraphy (ESS) utilizes nearly 75 years of academic and industry science to develop more effective ways to characterize the distribution of geologic materials in the subsurface. ESS technology helps to better understand contaminant migration and constrain flux-based conceptual site models. With roots in sedimentology, stratigraphy, and basin analysis, the oil and gas industry has used ESS to better understand and predict reservoir conditions, enabling more effective reservoir development. However, using similar approaches in these sites is proving trickier because direct technology transfer is difficult in characterizing contaminated aquifers.

This webinar will look at ways these challenges can be overcome in a cost-effective manner while incorporating ESS data and interpretation to be included in all phases of site characterization and remediation. This webinar will also provide an overview of the principles of ESS, explain how it differs from traditional approaches, discuss limitations to its application, and offer opportunities to expand its use in the future.

Speakers/Moderator:

Dan Walker, Ph.D., A.M. ASCE, Senior Geologist, EA Engineering

Michael Hertz, National Service Line Program Manager/Senior Hydrogeologist, EA Engineering, Science, and Technology, Inc., PBC

Jason McNew, PE, Program Manager/Senior Engineer, EA Engineering, Science, and Technology, Inc., PBC

Featured Presenters

Dan Walker, Ph.D., A.M., ASCE

Senior Geologist and Practice Lead for Environmental Sequence Stratigraphy

Dan Walker, Ph.D., A.M. ASCE, holds joint positions as a Senior Geologist with EA Engineering, Science, and Technology, Inc. PBC, and with the U. of Maryland’s Center for Technology and Systems Management. A classically trained sedimentologist and stratigrapher, Dan has worked in a wide range of depositional settings and on projects related to both oil and gas, radioactive waste management, and PFAS site characterization. Dr. Walker has held senior positions with the National Academies of Science, Engineering and Medicine; the White House Office of Science and Technology Policy; and NOAA.

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Jason McNew

Program Manager/Senior Engineer

Mr. Jason McNew, PE is a Program Manager and Senior Engineer with 25 years of environmental consulting experience, including preparation of remedial designs and implementation support. He currently serves as Project Manager on one ISTR project and as Senior Engineer on five other ISTR projects.

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Paul Carroll

Installation Program Manager, USAF Civil Engineer Center (AFCEC), BRAC Division

Paul Carroll is the Installation Program Manager/BRAC Environmental Coordinator for the BRAC Program Management Division at AFCEC/CIBC. He manages all aspects of Base Realignment and Closure activities for five former Air Force installations, focusing on environmental cleanup, property transfer, community coordination, and public interaction. He holds a B.S. in Geology/Geophysics from Texas Tech University, which prepared him for the other various roles in environmental cleanup he's assumed, including Remedial Program Manager, Environmental Engineer, Site Manager, and Program Manager.

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