ITRC: Pump & Treat Optimization Training

ITRC's Pump & Treat (P&T) Optimization training aims to summarize existing information and best practices while also developing a systemic and adaptive optimization framework specifically for P&T well-network design and management.

P&T systems have been one of the most commonly used methods for hydraulic containment and treatment of contaminated groundwater at sites with large groundwater plumes. This method cleans up groundwater contaminated with dissolved chemicals by pumping groundwater from wells to an above-ground treatment system that removes the contaminants. Optimization of P&T remedies is important for maintaining contaminant removal effectiveness throughout the operation lifetime and managing the system toward an exit strategy. A strategy for routine optimization of P&T remedies is key for maintaining the contaminant removal efficiency of these systems.

The primary audience for this training is environmental project decision-makers, which may include federal, state, tribal, and various local agency employees; contractors to these agencies; and potentially liable parties and their engineers and consultants as well as involved stakeholders. Generally, those involved in designing, building and operating, and optimizing pump & treat systems would benefit.

The goal of the training is to provide a roadmap for optimizing a P&T system and refining the remedial strategy or shifting toward another remedial approach. Pump & Treat optimization should be systematic and data-based, and the training and document aim to provide tools and direction to assist in this rigorous process.

Key Takeaways

• Understanding the P&T project lifecycle: evaluation, optimization, and transition, as well as considerations for sustainability, resiliency, and regulatory and stakeholder entities.
• P&T optimization should incorporate adaptive site management.
• P&T systems are influenced by a diverse collection of outside factors, which should be considered throughout the entire optimization process.
• Transition and termination should both be considered during the optimization process.
• Remedial objectives dictate evaluation and optimization efforts for P&T systems..

Prior to attending the training class, participants are encouraged to view the associated ITRC Pump & Treat guidance document

Michael Sexton, P.E., Virginia Department of Environmental Quality (michael.sexton@deq.virginia.gov)
Michael Sexton is a licensed professional engineer currently working as groundwater remediation specialist for the Virginia Department of Environmental Quality's solid waste program. He has worked at the DEQ since 1993. During this time, he has worked with numerous petroleum, chlorinated solvents, and metals remediation projects using groundwater extraction and treatment systems. He has been a member of the Interstate Technology & Regulatory Council (ITRC) since 2014 and served as Co-Chair for the ITRC's Performance-Based Optimization of Pump and Treat Systems Team.

Dr. Lucas Hellerich, Woodard & Curran (LHellerich@woodardcurran.com)
Dr. Hellerich is a Practice Leader of Remediation at Woodard & Curran, Inc. He has degrees in civil and environmental engineering. He has over 22 years of remediation and environmental engineering experience in remedy implementation and optimization, contaminated site assessment, exit strategy development, peer review, liability valuation, professional engineering services, and regulatory support. He develops environmental investigation, remediation design, remediation construction, operations and maintenance, and optimization approaches, specializing in in-situ remediation technologies (bioremediation, chemical reduction, chemical oxidation, thermal remediation), physical technologies (GWPT, SVE, SSD, NAPL recovery), and monitored natural attenuation for soil and groundwater remediation for chlorinated solvents, metals, PFAS, and other chemicals of concern. He is a licensed professional engineer in several states and a members of several professional organizations.

Patricia (Pat) Locklin, Maine Department of Environmental Protection (patricia.a.locklin@maine.gov)
Pat Locklin is an Environmental Engineer at the Maine Department of Environmental Protection (DEP) in Augusta, Maine. Patricia has worked in petroleum remediation in the Technical Services Division of the Bureau of Remediation and Waste Management since 2001, as well as from 1994 to 1997. She oversees and performs remedial actions at a variety of petroleum spill sites from former or current gasoline stations to private residences whose drinking water well or indoor air quality has been impacted by the spill. Pat received a Master’s Degree in Environmental Engineering from the University of Maine in 2007 and a Bachelor’s Degree in Chemical Engineering from the University of Lowell in 1984. She became a Registered Professional Environmental Engineer in the State of Maine in 1997.

Dave Becker, USACE (dave.j.becker@usace.army.mil)
Dave Becker has 40 years of experience working as a geologist on the characterization and remediation of hazardous and radioactive waste sites with a longstanding focus on remediation optimization. He has been with the EM CX since 1991, though he now works part-time after partially retiring at the end of 2021. He has been active on many optimization-related ITRC teams since 2003. Dave has a B.S. in Interdisciplinary Studies in Geology from the University of Nebraska at Omaha and an M.S. in Geophysics from Southern Methodist University and is an adjunct professor of geology at the University of Nebraska-Omaha where he teaches Environmental Geology, Hydrogeology, Engineering Geology, and Geophysics.

Charles Graff, Michigan EGLE (graffc@michigan.gov)
Charles Graff started with the State of Michigan in 1985. He is a Senior Geologist with the Superfund Section in the Department of Environment, Great Lakes, and Energy (EGLE) and has over 38 years of experience performing and overseeing the investigation, delineation, and remediation of a variety of contamination sites across Michigan, working exclusively on Superfund sites for over three decades. This involved soil and groundwater sampling including vertical aquifer sampling, soil gas surveys with field gas chromatographs, geophysical surveys, geological and hydrogeological interpretation, work plan and report write ups, review and evaluation, and implementing and evaluating remedial actions. Mr. Graff has developed expertise in field investigative techniques, remediation methodologies with an emphasis on in situ remediation, extraction and monitoring well design and rehabilitation, as well as a variety of drilling methodologies including sonic, hollow-stem auger, and direct-push. Mr. Graff is a graduate of Indiana-Purdue Universities in Ft. Wayne, IN, with a B.A. Degree in Geology, and received an M.S. in Geology from Michigan Technological University, in Houghton, MI.

Bruce Kennington, Ramboll (bkennington@ramboll.com)
Bruce Kennington has over 30 years of experience in engineering, environmental science and management, including design and construction of engineered remedial systems and clean-ups and management of site assessment and remediation projects, with particular emphasis on clean-ups under federal programs including work on over two dozen CERCLA sites. Bruce specializes in the support of clients in the development of exit strategies to bring sites to closure. Prior to embarking on a career as an environmental engineer, he was a qualified naval nuclear engineer and served as a commissioned officer in the US Navy. As a nuclear submarine officer, Bruce’s responsibilities included management of operations and maintenance of a nuclear power plant and submarine safety, auxiliary and life-support systems.

Marek Ostrowski, P.E., Brown & Caldwell (mostrowski@brwncald.com)
Marek Ostrowski, PE, is a Senior Principal Environmental Engineer with Brown and Caldwell. He has over 30 years of experience in the environmental consulting industry. Marek has completed numerous projects for private clients, as well as local, state, and federal agencies, involving investigation, design, implementation, and performance evaluation of environmental remedies. His main areas of expertise include remedial investigations and feasibility studies, modeling, landfill and drainage design, dewatering, underground storage tanks remediation, hazardous waste remediation, hydraulic containment, excavation and in-situ solidification/ stabilization, soil vapor extraction, sub-slab depressurization, air sparging, and product recovery. Marek holds bachelor's and master's degrees in Civil Engineering, from the State University of New York at Buffalo.

Janet Waldon, Massachusetts Department of Environmental Protection (janet.waldron@state.ma.us)
Janet Waldron is a Superfund Site Project Manager for the Massachusetts Department of Environmental Protection. Janet has been with the Department over 30 years, most of which has been in the Superfund program. Janet manages DEP contractors' activities at sites for which the Department has assumed responsibility from EPA, including reviewing reports generated by PRP or EPA contractors. She is Co-Chair of the Association of State and Territorial Solid Waste Management Officials (ASTSWMO) Post-Construction Focus group. Janet has made presentations about various remediation efforts at some of the sites she has managed under the Superfund program at Northeast Waste Management Officials' Association (NEWMOA) workshops. Janet earned her bachelor's degree in Geography from Framingham State University in 1982 and a Master's in Energy and Environmental Analysis from Boston University's Center for Energy and Environmental Studies in 1985.

Trevor King, Woodard & Curran (TCKing@woodardcurran.com)
Trevor King is currently working with Woodard & Curran. He has global experience in the planning, implementing and management of environmental and DNAPL remediation projects. He has extensive experience in the development of characterization and closure strategies for soil and groundwater remediation projects, and implementing cost effective remedial actions. Since 1993, Trevor has planned, implemented, and managed a wide variety of environmental projects in New Jersey, Pennsylvania, Florida and Puerto Rico. His experience includes project management, developing conceptual site models in support of remedy selection, developing remedial objectives and site closure strategies for remediation projects, and regulatory and client interface. Trevor has two pneumatic fracturing technology patents. His current company-wide responsibilities include project management and remedial strategy and technology evaluations at a national as well as the regional level. He earned a bachelor's degree in mechanical engineering from the University of Wolverhampton in 1983 and a master's degree in environmental engineering from New Jersey Institute of Technology in 1993. He is a Professional Engineer in environmental engineering in Delaware.

Moderator:

ITRC Training Program (itrc@itrcweb.org)

• Slide Presentation for Pump & Treat Optimization (4.03MB/PDF)

Webinar Slides and References:

• Slide Presentation for Pump & Treat Optimization (4.03MB/PDF)

Additional Resources:

• ITRC Pump & Treat Guidance Document

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