Jason Esselburn, PG

***** ****** ***** ***** **. Cypress, TX 77429 281-***-**** ad2sid@r.postjobfree.com Education Wright State University – Dayton, OH 2007 - 2009

Master of Science

Major: Earth and Environmental Sciences (Hydrogeology Focus) Muskingum University – New Concord, OH 2003 - 2007 Bachelor of Science

Major: Geology Minors: Spanish and Speech Communications Professional Profile I am a Professional Geologist and Project Manager who has over 14 years of applied experience in managing environmental assessment and remediation projects. I have direct experience in managing complex environmental investigations, remedies, and removal action projects for clients in the oil and gas, power utility, chemical/petrochemical/ agrichemical, and government sectors across a wide variety of state and federal regulatory programs. These projects have ranged in value from <$10K to over $30M, and have required innovative and cost-effective solutions. My core competencies include high-resolution approaches to site characterization, emerging contaminants (microplastics, PFAS, 1,4-Dioxane, BCEE), and closure strategy for complex sites with diverse stakeholders.

Skills Summary

Hydrogeology

Environmental Site

Assessment

Operator Cleanup Program

(OCP)

Texas Risk Reduction

Program (TRRP)

Contract Negotiation

Project Management

Environmental Due

Diligence

Feasibility Studies

Safety Leadership

Municipal Setting

Designation (MSD)

Superfund Projects

OSHA 40-Hour HAZWOPER

OSHA 10-Hour Construction

Outreach

OSHA 8-hour HAZWOPER

Supervisor

High-Resolution Site

Characterization (HRSC)

Water Resources

Career Experience GHD Services Inc. – Senior Project Manager and Technical Director October 2021 - Present

Pursue, win, and deliver projects for energy industry, government, and commercial clients.

Current projects include environmental cleanup projects under the state-led Superfund Program, and corrective action projects under the Texas Commission for Environmental Quality

(TCEQ) and the Railroad Commission of Texas (RRC).

Managed $2.5M in billings for FY2023, with another $3M revenue booked for FY2024. Kleinfelder, Inc. – Project Manager and Client Account Manager February 2020 - October 2021

Managed environmental and infrastructure projects for upstream and midstream oil and gas clients. These projects varied in scope from initial site assessments to site closures under the TCEQ and RRC.

Developed new business with strategic mining, petrochemical, and municipal government client prospects. Represented Kleinfelder at various external engagements (ASCE, SAME, etc.) Layne Christensen Company – Account Manager October 2018 - January 2020

Delivered water supply solutions for municipal and industrial clients, ranging from 100 to 3,000 gallons per minute (GPM). Scopes of work included the drilling of new wells or the rehabilitation of existing well and pump infrastructure (project value ranging from <$10k to $1.5M).

Managed client relationships with the City of Lufkin, Invista S.à.r.l., Praxair, WestRock, DuPont, OxyChem, and others.

Jason Esselburn

15306 Forest Creek Farms Dr. Cypress, TX 77429 281-***-**** ad2sid@r.postjobfree.com Page 2

Additional Employment History Arcadis US, Inc. December 2015 - October 2018

Staff Environmental Scientist

Provided technical leadership on projects requiring hydrogeologic characterization, conceptual site model development, litigation support, and regulatory/remedial strategy input.

Served as a core team member within the company’s Smart Characterization™ and Hydrogeology communities of practice; and as a client-facing point of contact for NASA, Baker Hughes, Chevron, and ExxonMobil.

Terracon Consultants, Inc. March 2015 - December 2015 Senior Staff Geologist

Developed and implemented new approaches to flyash pond closure monitoring, utilizing in-situ instrumentation to measure settlement, pore pressure, and strain within waste cell berms.

Provided landfill construction quality assurance (CQA) for gas collection system upgrades and waste cell construction.

DHDC Engineering October 2013 - March 2015

Geologist and Laboratory Manager

Oversaw daily laboratory operations, managed all environmental projects, and maintained calibration records and AMRL/CCRL accreditation documentation.

Completed testing for rock, soil, concrete, and asphalt using ASTM methods. Parsons Corporation September 2009 - June 2012

Associate Geologist

Led field efforts of varying scope at operationally complex facilities. Among these were RCRA Phase II Facility Investigations, aquifer characterization efforts, and in-situ remediation projects.

Evaluated data from field investigations and compiled project deliverables for Dow Chemical, DuPont, BP, and others.

Conference Proceedings and Publications Byer, Gregory B., Wayne E. Patterson, Jason D. Esselburn, and Ashley R. Schumacher. “Expedited Produced Water Delineation with Electromagnetics and Direct Push Technologies” presented at the Society of Exploration Geophysicists International Expo and Annual Meeting, September, 2017. Esselburn, Jason D., D. Scott Riegert, Bruce M. Henry, James W. Schuetz, and Carol J. Van Neste. “Enhanced In- Situ Anaerobic Bioremediation: Best Practices, Cost Performance, and Lessons Learned” presented at the Geological Society of America North-Central Section Meeting, April 2012. Esselburn, Jason D., Robert W. Ritzi, David F. Dominic (2011). Porosity and Permeability in Ternary Sediment Mixtures. Ground Water. 49(3): 393-402.

Esselburn, Jason D. (2009). Porosity and Permeability in Ternary Sediment Mixtures. M.S. Thesis. Wright State University: U.S.A.

Van Horn, Stephen R., Jason D. Esselburn, Jason A. Tarbert. “Major-Ion Chemistry of Surface Water and Identification of Hydrogeochemical Processes in a Recovering Surface-Mined Watershed, The Wilds, Southeastern Ohio” presented at the Geological Society of America Annual Meeting, October 2007. Esselburn, Jason D., Stephen R. Van Horn. “Ostracodes as Indicators of Hydrochemistry at a Reclaimed Surface Mine, The Wilds, Southeastern Ohio” presented at the Geological Society of America Southeastern Section Meeting, March 2007.

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