Christopher Akudo, PhD, P.E.
Project Engineer
GEI Consultants, Inc.
Glastonbury, Connecticut

Christopher Akudo is an environmental engineer with more than ten years of experience including six years in environmental consulting. He has worked on MGP and chlorinated solvents impacted sites across the United States. His areas of expertise include site characterization and investigation, contaminant fate and transport, multi-media remediation. He has successfully remediated sites using a wide range of in-situ and ex-situ remedial technologies. He also has experience in cost estimating and data analysis.

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John P. Austgen
Construction Project Manager
Haley & Aldrich, Inc.
Carmel, Indiana

John Austgen is a project manager with fifteen years of experience in environmental consulting and construction and has been with Haley & Aldrich for thirteen years. He has a B.S. in Engineering and Biology from Vanderbilt University. His work has been focused on subsurface remedial investigation and the implementation of remedial construction, primarily of former manufactured gas plant sites.

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Todd Bachand
Lead Environmental Specialist
Duke Energy
Cincinnati, Ohio

As a Lead Environmental Specialist in the Remediation and Decommissioning group, my primary responsibilities include the management of MGP contaminated properties. I am responsible for managing remediation projects in Ohio, Indiana, and Kentucky. Projects include legacy subsurface soil and groundwater contamination at MGP sites, operating and retired generating plants and operating centers, and properties owned by third parties where historic company operations occurred. Additional responsibilities include communicating plans and expectations with internal and external customers, including third parties, other Potentially Responsible Parties, and Federal and State Regulators. The sensitive nature of the projects involves collaboration with multiple areas of the company including Government Affairs, Community Affairs, Finance, Legal and Real Estate.

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Matthew Barvenik, LSP
Senior Principal
GZA GeoEnvironmental, Inc.
Norwood, Massachusetts

Matthew Barvenik has been with GZA GeoEnvironmental for over 40 years, is a Sr. VP at the firm, and has managed numerous geohydrological, geotechnical, and instrumentation engineering efforts including full-scale test sections and final design/construction of remedial actions. These efforts have required development of new equipment and innovative methodologies. He was also in the first group to be registered as a Licensed Site Professional (LSP) in Massachusetts. His experience includes: design/construction of remedial actions encompassing groundwater hydrodynamic isolation/recirculation/treatment systems; slurry trench cutoff wall/cap containment; soil and sludge solidification/fixation; soil vapor extraction/air sparging/bioventing; ISCO; bioremediation; Electrical Resistive Heating (ERH); active/passive barrier systems for residential and commercial projects constructed on contaminated soils including MGP wastes; contaminant transport/groundwater remediation in fractured bedrock aquifers containing chlorinated DNAPLs as well as radionuclides at nuclear power plants and DOD facilities; etc.

As Senior Technical Consultant, GZA’s highest technical position, he provides technical input and QA/QC regarding hazardous waste investigation and remediation. Barvenik’s major involvement in 14 Superfund sites has included formulating and negotiating technical scopes of work for PRP groups; conducting groundwater contaminant investigations; and designing/constructing remedial actions. He has served as an expert witness in jury litigations, mediations and binding arbitrations related to groundwater flow and contaminant transport from gasoline station contaminants to chlorinated solvent plumes in fractured bedrock to radionuclides at nuclear power plants, as well as remedial technology cases including metals stabilization and slurry cutoff wall containment systems. Most recently, Barvenik was the lead engineer for the five-year remedial design/construction project to cleanup MGP wastes from Gloucester’s upland and harbor, entailing demolition and replacement of historic granite block seawalls and pile supported piers, extraction of coal tar DNAPL from the bedrock and dredging of harbor sediments. This project won Engineering News Record’s (ENR) 2018 National Best of the Best Award for Water/Environment.

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Steve Beam
Project Manager
National Grid
Syracuse, New York

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Richard Beck
Sr. Project Manager
GZA GeoEnvironmental, Inc.
Hammonton, New Jersey

Rich Beck has over 30 years of experience in environmental consulting who has worked on a wide range of project experience including remedial investigation and site remediation projects, as well as experience with ecological restoration, environmental permitting, and natural resource management. Rich has experience working for commercial and industrial clients but has worked primarily for public utility clients for the past 20 years where he has amassed extensive experience working on former manufactured gas plant (MGP) sites.

When not chasing around MGP residuals, Rich is an amateur photographer spending much of his times in the Pines or along the shores of New Jersey.

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Blaine J. Rothauser
Senior Natural Resource Specialist / Senior Project Manager

Mr. Rothauser specializes in regulatory permitting, threatened and endangered (T&E) species analysis, biologic/environmental inventories, and environmental impact studies. He is professional conservation biologist with over 26 years of experience in conservation management of natural resources. He is well versed in the compliance and permitting regulations of the New Jersey Department of Environmental Protections (NJDEP) Wetland, Flood Hazard Area, CAFRA, Water Quality Management, Highland, and Pineland Protection Act Rules.

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Tracy Blazicek, CHMM, PMP
Manager – Programs/Projects
NYSEG
Binghamton, New York

Mr. Blazicek has served as NYSEG’s project manager over the past 27 years for many of the MGP sites in NYSEG’s portfolio.

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Tom Boom
VP
Barr
Michigan

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Christopher Bradley, BS, BA, P.E.
Program Manager
GEI Consultants, Inc.
Cary, North Carolina

Mr. Bradley is a Vice President and Professional Engineer at GEI working in the Cary North Carolina office. Chris provides environmental services to a variety of clients, with a focus in the utility sector. Mr. Bradley is an environmental engineer and senior project manager of programs that require environmental investigation, site characterization, risk assessment, remedy decision-making and design, permitting, procurement, and stakeholder communications. Mr. Bradley also works with utilities to assess and manage long-term liabilities in support of financial reporting and management of insurance programs.

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Kathleen Brozean

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John Brussel
Project Manager
Arcadis of New York, Inc./Arcadis U.S., Inc.
Syracuse, New York

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William Caldicott
Director of Remediation Technologies
ISOTEC

Will is a senior environmental scientist and has been in the environmental industry for more than 23 years. He is the Director of Remediation Technologies at ISOTEC. He is responsible for evaluating sites, remedial option appraisal, final review of proposals, and project management. He routinely works on complex sites including former MGP, DOD, and industrial facilities. In addition, Mr. Caldicott identifies and evaluates new synergistic products and services for incorporation into the company’s portfolio. During his tenure, Mr. Caldicott has steered ISOTEC to adopt technologies such as additional ISCO reagents, bioremediation, metal treatment technologies, In-Situ Gas Thermal Remediation and C3 vapor treatment, Trap & Treat® injectable carbon products, PFAS treatment through D-FAS technology, reagent delivery by soil mixing, and additional technologies currently under review. Will got his bachelors in environmental studies at an Australian university, University of New England, and his masters in Environmental Science at the Yale School of Forestry and Environmental Studies.

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Sean M. Carroll, MS, P.E., LEP
Associate – Environmental Remediation Engineer
Haley & Aldrich, Inc.
Rocky Hill, Connecticut

Sean Carroll is a Professional Engineer and Hydrologist with twenty-two years of experience in environmental consulting and has been with Haley & Aldrich for nineteen years. He has a B.S. in Civil Engineering from the University of Notre Dame and an M.S. in Hydrology and Water Resources from the University of Arizona in Tucson. He is registered as a Professional Engineer in Massachusetts and is a Licensed Environmental Professional in Connecticut. Much of his work has been focused on subsurface remedial investigation, particularly assessment and remediation of former manufactured gas plant sites.

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John R. Carrow, PG
MGP Program Manager
AECOM
St. Louis, Missouri

Mr. Carrow is a geologist with over 34 years of practical experience working on diverse environmental and geotechnical projects. John has worked on projects across the U.S. and in a wide range of geological settings. He has developed, implemented and completed environmental remediation for Resource Conservation and Recovery Act (RCRA) treatment, storage and disposal facilities, manufactured gas plants, petroleum refining, bulk storage, pipeline and retail facilities, chemical and manufacturing facilities, scrap metal facilities, and brownfields sites. Mr. Carrow has also led corporate due diligence and commercial client compliance programs. He is a Professional Geologist in California and Illinois and a Registered Geologist in Arizona and Missouri.

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Daniel P. Cassidy, Ph.D., P.E.
Associate Professor
Western Michigan University
Kalamazoo, Michigan

Daniel Cassidy is President of Perivallon, Inc. specializing in bench-scale treatability studies and trouble-shooting to support site remediation efforts. He is also an Associate Professor in the Department of Geosciences at Western Michigan University. He received a Ph.D. in Civil Engineering from the University of Notre Dame. His educational background and work experience are in the areas of Environmental Engineering and Hydrogeology.

With 37 peer-reviewed publications to his name, he has conducted over 400 bench-scale treatability studies and has been conducting applied research on Chemical Oxidation, Chemical Reduction, Stabilization/Solidification, and Bioremediation of Soils and Sediments and Groundwater for over 20.

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Deborah Chiavelli, PhD
Managing Scientist
Anchor QEA, LLC
Woodcliff Lake, New Jersey

Dr. Deborah Chiavelli is a managing scientist at Anchor QEA, LLC. She holds a BS from Cornell University, an MS from the University of Mississippi, and a PhD from Dartmouth College. She has 13 years of experience in contaminated site investigation. Most of her current projects involve environmental forensic analysis and source investigation for a wide range of contaminant types in sediments, soils, groundwater, and vapor. She specializes in developing quantitative, high throughput diagnostic tools for effective and efficient forensic fingerprinting.

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Michael Chin
Chief Technology Officer
Allied Microbiota
Brooklyn, New York

Michael Chin is a chemical engineer. He is currently the Chief Technology Officer of Allied Microbiota.

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Adam Chwalibog, P.E. (MI, IN)
Principal Geotechnical Engineer
Arcadus
Syracuse, New York

Mr. Chwalibog has more than 15 years of experience as a geotechnical engineer specializing in performing broad-based geotechnical engineering cost, investigation and design activities as part of large-scale environmental remediation and infrastructure projects. Mr. Chwalibog serves as ARCADIS Technical Knowledge and Innovation (TKI) leader for in-situ stabilization/solidification (ISS) of soils, and has extensive investigation, design and construction quality assurance experience including leading/participating in over 20 ISS remediation projects (i.e. treatability studies, remedial designs, and construction oversight) including immobilization of VOC/SVOC and NAPL impacted soils.

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Jeffrey A. Clock, M.S.; M.B.A.
Principal Technical Leader, Manager, MGP and Decommissioning Programs
Electric Power Research Institute (EPRI)
Willsboro, New York

Jeff Clock is a Principal Technical Leader at the Electric Power Research Institute (EPRI) in the Land and Groundwater program area. He joined EPRI in June 2008 after a 24-year career at Central Hudson Gas & Electric Corporation where he managed environmental affairs, real estate and research and development. Prior to his career at Central Hudson, Jeff held research and consulting positions. His current research interests include legacy site investigation, remediation and redevelopment as well as sustainability issues for the electric utility industry. Jeff has a BA in the Natural Sciences from Bard College, an MS in Biology from New York University and an MBA in Management from Rensselaer Polytechnic Institute.

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John Collins
COO/General Manager
AquaBlok, Ltd.
Swanton, Ohio

John Collins is the General Manager and COO of AquaBlok, Ltd. Mr. Collins is responsible for all day-to-day activities of the company, including technology development, manufacturing, and marketing. AquaBlok developed, patented, and manufactures a wide range of materials using their unique technology in not only the environmental remediation markets, but also in phosphorous reduction, annular sealants, pond/canal liners, and other geotechnical segments. Mr. Collins has over 25 years’ experience in a variety of engineering and environmental related businesses managing research, product development, technology licensing, capital goods manufacturing, and acquisitions. He has been with AquaBlok for twelve years and has guided the development of several new products and managed multiple major remediation projects.

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Greg Corbett
Director
Southern Company Gas
Atlanta, Georgia

Mr. Corbett is the Director of Environmental Affairs at Southern Company Gas and manages activities at the Elizabeth City MGP site.

Greg started his career as an environmental consultant in Atlanta in 1996. Over the last ten years, he has been leading Southern Company Gas’ environmental and sustainability programs for all Local Distribution Companies and all non-regulated businesses within the Southern Company Gas footprint. He oversees operational compliance with environmental regulations within nine states, 46 MGP sites across five states (he directly manages 14 of these sites across GA, NC, and FL), and is actively engaged in methane emission reduction efforts and reporting across the company’s footprint and other sustainability initiatives.

Prior to joining Southern Company Gas, Greg led several environmental and safety programs at Delta Air Lines and helped start Delta’s sustainability program, including carbon emission reduction programs corporate recycling initiatives.

Greg received a Bachelor of Science in Environmental Engineering from the University of Florida in 1995. He is a licensed Professional Engineer in the State of Georgia. He is Co-Chair of the MGP Consortium, and active with American Gas Association’s environmental committees, Georgia Chamber of Commerce, and the Chattahoochee Nature Center.

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Helder J. Costa, MS
Sediment Practice Leader
Haley & Aldrich, Inc.
Walnut Creek, California

Helder Costa is a Principal Consultant and Sediment Practice Leader at Haley & Aldrich, Inc. He has more than 30 years of experience in aquatic environmental investigation. He specializes in designing and implementing sediment remedial investigations and is also an expert practitioner in environmental forensics involving PAHs and petroleum hydrocarbons. Over the past two decades, he has worked on more than 50 sediment investigations, including more than 30 former MGP and 10 creosote sites. He has also worked on numerous oil spill studies including the Exxon Valdez in Prince William Sound, Alaska, the Deepwater Horizon (MC 252) in the Gulf of Mexico, the Arthur Kill in New York Harbor, Suisun Bay in San Francisco Bay, California, along the Mediterranean coast of Italy, offshore San Luis Obispo, California, and the Aleutian Islands, Alaska. Helder was the lead author for technical guides developed for Chevron and EPRI for monitored natural recovery of petroleum-contaminated sediments and MGP sediment sites, respectively. He is currently directing remedial investigations for multiple MGP sediment sites in San Francisco Bay, but leads Haley & Aldrich’s sediment practice nationally.

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Gerald Cummins
Project Manager
National Grid
Syracuse, New York

Mr. Cummins graduated from the State University of New York College of Agriculture and Technology at Morrisville in 1988 with an A.A.S in Mechanical Technology followed by graduating Cum Laude from the State University of New York College of Environmental Science and Forestry in 2006 with a B.S in Wood Products Engineering/Construction Management with a Minor in Management from affiliated Syracuse University. Mr. Cummins began his career in 1988 with O’Brien & Gere then in 1993 worked at ARCADIS (formerly Blasland, Bouck & Lee) until 2008. From 2008 until present, Mr. Cummins has worked as a Project Manager within the Site Investigation and Remediation Department at National Grid. Mr. Cummins has a demonstrated history of working in the environmental services industry with a specific focus in the management of large-scale environmental liabilities and associated site remediation within the utility industry.

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George Dang
Environmental Scientist
Anchor QEA, LLC
Boston, Massachusetts

George Dang is a staff scientist at Anchor QEA, LLC with 7 years of experience performing data analytics for contaminated site investigations. Recent contributions have been in contaminant interpolation, forensic allocation, and remedial strategies.

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B. Tod Delaney, PhD, P.E., BCEE
President
First Environment, Inc.
Boonton, New Jersey

Tod is the founder and president of First Environment, as well as a veteran of the U.S. Army. Since the firm’s inception he has provided direction, management, and technical oversight of the most complex project across all service areas. For First Environment’s litigation practice, he serves as an expert witness for natural resource damages cases and has testified in more than 30 litigations involving the management, disposal, and handling of chemicals in the context of CERCLA, RCRA, state-law cleanup statutes, and toxic tort lawsuits. He has prepared expert opinions for clients in a number of states—including New Jersey, New York, California, Washington, New Mexico, Louisiana, Georgia, and Maryland—and has testified in both federal and state courts.

For First Environment’s work in the federal sector as a Service-Disabled Veteran-Owned Small Business, Tod provides senior level management and quality oversight of deliverables. As a chemical and environmental health engineer, he also reviews all designs of remedial systems for our site investigation and remediation projects. In the 1990s, Tod initiated the firm’s early involvement in climate change mitigation, participating in the development of standards as a technical expert and/or international coordinator for ISO 14064 parts 1 and 2, ISO 14065, ISO 14066, and ISO 14067 regarding greenhouse gas verification and carbon footprinting. His continued involvement in international standards for climate issues includes his role as the elected Chair of ISO’s Climate Change Coordinating Committee, formed in 2014 to support the development of standards and best practices for mitigation and adaptation worldwide. Tod continues to grow the diverse collection of service First Environment offers, branching out into emerging areas such as environmental product certifications, green/climate bonds, and renewable fuel certification.

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Frank J. Dombrowski, CHMM, REM
Principal Environmental Consultant
WEC Energy Group
WEC Energy Group – Business Services
Environmental Department – Land Quality/Remediation Team
Milwaukee, Wisconsin

Mr. Dombrowski has over 35 years’ experience in the environmental industry as both a consultant and project manager with a major gas and electric utility. His expertise spans a variety of disciplines including regulatory policy analysis, health and ecological risk assessment, contaminated site assessment, remediation and brownfields redevelopment.

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Eric Ealy
Environmental Analyst – Project Manager
Xcel Energy
Minneapolis, Minnesota

Eric is an Environmental Analyst and Project Manager for Xcel Energy and provides, scientific, engineering and field support service for various projects within Xcel’s NSP service area. Since 2014, Eric has primarily been environmental oversight and technical project manager for the Ashland Lakefront MGP Superfund project upland, sediment and groundwater remedial design and implementation. He also supports other projects within the Waste and Remediation group and groundwater monitoring programs at ash disposal facilities. After receiving his Geology degree from the University of Minnesota-Duluth in 1990, Eric worked in the environmental consulting and engineering field performing site investigation and remediation, large monitoring well network installations and monitoring, Athabasca oil sands hydrogeological and geotechnical drilling and testing programs and resource coring, and numerous NPDES and other environmental compliance audit and assessment programs for local, municipal, state and federal agencies and private corporations and businesses.

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Melanie Edwards
Managing Scientist
Exponent
Bellevue, Washington

Ms. Edwards is an accredited statistician with the American Statistical Association who regularly performs and critiques characterization and comparisons with background or reference conditions. With over 20 years of experience, she has provided statistical support on projects involving PAHs, PCBs, metals, and dioxins/furans in soil, sediment, dust, groundwater, and surface water. She is called upon frequently to provide understandable descriptions of statistical methods. She has testified regarding correct use of statistical methods as well as assisted with deposition questioning.

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Kevin Elek
Project Manager
Pacific Gas and Electric Company
San Ramon, California

Mr. Elek is currently managing two sediment sites encompassing five areas of concern on the northern San Francisco waterfront, and related upland investigations associated with a former MGP.

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Joe Foglio, CHMM
Sr. Principal
GZA GeoEnvironmental, Inc.
Pennsylvania

Joe is a Sr. Principal and the Construction Management Technical Practice Lead at GZA.  He has more than 30 years of remedial action design and construction experience and has been an integral part of GZA’s remediation group since 1986.  He remains actively involved as the Principal-in-Charge and Construction Manager on several large scale MGP and other remediation projects.

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Mike Gardner

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Christopher Gasinski
Sr. Environmental Specialist
Tampa Electric Company/Peoples Gas System
Tampa, Florida

Mr. Gasinski is an in-house representative for Tampa Electric on environmental matters since 2001, including managing the Peoples Gas System MGP site portfolio. He is an active member of the broader national MGP community interested in research and best management practices for former MGP sites.

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Billie Jo Gauley, PG
Professional Geologist
Anchor QEA, LLC
Beverly, Massachusetts

Ms. Gauley is a Professional Geologist with 17 years of experience focusing on former manufactured gas plants and environmental impacts to nearby waterways. Her experience includes field collection and analysis of sediment physicochemical characterization data, design of sediment remediation projects including authoring drawings and specifications, and construction oversight for sediment remediation projects including dredging and capping. Additionally, Ms. Gauley has worked on multiple phases of remediation projects from the remedial investigation through construction completion, and subsequently, evaluation of post-construction monitoring data.

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Catherine Geraci
Principal Environmental Engineer
Arcadis of New York, Inc./Arcadis U.S., Inc.
Syracuse, New York

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Lisa Gilbreath, JD
Attorney
PIERCE ATWOOD LLP
Portland, Maine

Lisa Gilbreath is an attorney Pierce Atwood’s Environmental & Land Use and Energy Infrastructure Development, Acquisition & Financing Practice Groups. Lisa has more than a decade of experience offering clients strategic advice in regulatory, legislative, and judicial proceedings, including energy project development permitting, energy and environmental litigation, hazardous substances and hazardous waste management, and contaminated property remediation and cleanup.

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Jason Golubski, P.E.
Senior Engineer
Arcadis
Syracuse, New York

Mr. Golubski has more than 13 years of experience providing environmental engineering services that include: office-based work related to remedial investigations, feasibility studies, and remedial designs; and field-based work related to environmental sampling, and construction oversight. Mr. Golubski primarily works on project teams for utility clients’ manufactured gas plant (MGP) sites.

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Mark Gravelding, P.E.
Senior Vice President
Arcadis
Syracuse, New York

Mr. Gravelding specializes in contaminated sediment investigation, evaluation, and remedial design. He has designed numerous remediation systems to address sediments containing organic and inorganic contaminants. His design expertise runs from field-scale experimentation to full-scale remedial design. Relevant elements of his remedial design and implementation experience include shoreline containment systems, sediment removal/dredging, and cap design, as well as bank, floodplain, and wetland remediation and restoration.

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Kevin M. Grooms
Technical Compliance Department
Manager of Environmental Compliance
Philadelphia Gas Works

The Philadelphia Gas Works (PGW) Environmental Compliance Unit of the Technical Compliance Department is responsible for ensuring that PGW adheres to environmental laws and regulations and works with other PGW departments to ensure worker safety and compliance. Duties include the management of environmental permits related to water, air, and soil; management and remediation of properties enrolled in the Pennsylvania Land Recycling Program and other regulatory programs; and many other duties that further PGW’s environmental-related goals. Mr. Grooms has performed environmental-related work over two decades, including the last 9 years as Manager of Environmental Compliance at PGW. Kevin has a bachelors degree from the State University of New York at Plattsburgh.

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Jennifer Hagen, P.E.
Senior Managing Engineer
Ramboll
Milwaukee, Wisconsin

Jennifer Hagen is a Senior Managing Engineer at OBG, Part of Ramboll, with nearly 25 years of consulting experience. She is a graduate of the University of Illinois Champaign-Urbana. Over the last 15 years, Ms. Hagen has been a client service manager and program manager for a utility with former manufactured gas plant and sediment sites in state and federal lead programs in addition to other industry sites. She is involved in remedial investigations from the development of work plans and quality assurance project plans through performing field investigation activities, preparing remedial reports, and feasibility studies, remedial design and providing construction oversight for upland and sediment projects.

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Jaime Harrison-Rice
Managing Engineer
Anchor QEA, LLC
Beverly, Massachusetts

Jaime Harrison Rice is a Professional Engineer with 14 years of experience in coastal engineering and design of contaminated sediment dredging and capping projects. She acts as project manager and technical lead on sediment remediation projects and has significant experience working on multi-consultant teams. She specializes in dredge design, cap modeling and design, development of construction plans and specifications, construction scheduling, and cost estimating.

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William Haswell, P.E.
Program Manager
Haley & Aldrich, Inc.
Bedford, New Hampshire

Bill is a Senior Associate and Program Manager at Haley & Aldrich with 29 years of environmental investigation, remedial design, and remedial construction experience. Much of his career has been focused on designing and implementing remedies at former MGP sites, and he has worked on over 40 separate projects. Bill’s educational background and early professional experience in geotechnical engineering has provided an important technical foundation for remediation work. In addition to uplands experience, Bill has led the design and construction of several major sediment remedies at former MGP sites. Bill is a licensed professional engineer and during his 20 years with Haley & Aldrich he has held the positions of Field Engineer, Construction Manager, Lead Design Engineer, Construction Subsidiary Operations Manager, Program Manager and Client Leader.

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Roger Hathaway, P.E.
V.P. Program Manager
GEI Consultants, Inc.
Glastonbury, Connecticut

Roger is a program manager and vice president with GEI Consultants, Inc. He has over thirty years of experience in the investigation and remediation of former MGP sites. He has worked in the Northeast, Mid-Atlantic and Midwest on complex urban sites. His experience includes design and implementation of site remediations, dredging projects, as well as a variety of program management roles. He earned a Bachelors degree in Chemical Engineering from Rensselaer Polytechnic Institute in 1982.

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Amanda Haugen
Civil & Environmental Engineer
Burns & McDonnell Engineering Company, Inc.
Downers Grove, Illinois

Amanda Haugen is a Project Manager at Burns & McDonnell in the Chicago Remediation Services Group. She has a BS in civil & environmental engineering from the University of Wisconsin – Madison. Ms. Haugen has 13 years of experience in the environmental engineering field and has worked on over 10 MGP sites in the Midwest. Her primary work experience includes management of complex MGP projects that involve site investigation, remedial actions including soil excavation and/or in-situ remediation systems, air monitoring, groundwater and soil sampling, permitting, community relations, site restoration and Illinois EPA report preparation.

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Monica B. Heintz, PhD
Project Scientist
Arcadis US Inc,
Highlands Ranch, Colorado

Dr. Monica Heintz works at the nexus of groundwater hydrology, geochemistry, and microbiology to understand, manage, and mitigate environmental impacts. Her primary focus areas are natural and enhanced biological degradation of organic constituents, and the application of molecular biology, isotope, and statistical tools to understand, describe, and predict contaminant distribution and fate. She holds a B.S. in Geological Engineering from the Colorado School of Mines and a Ph.D. in Geological Sciences from the University of California Santa Barbara.

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Josh Heltzer
Senior Associate
First Environment, Inc.
Boonton, New Jersey

Josh Heltzer, MSc. is a Senior Associate at First Environment, Inc. based in Boonton, New Jersey. He is a litigation support expert responsible for case strategy development, technical and historical research, establishing standard of care, data analysis using GIS, drafting expert reports and rebuttals, and trial support. Josh has worked on matters involving the use of chlorinated solvents in the 1940s during the World War II era and subsequent time frames. His mediation, allocation, and litigation experience covers cost recovery and contribution under CERCLA and state regimes, toxic torts, natural resource damages, and allocations at Superfund Megasites.

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Kelly Henry
Principal
H&G Public Affairs, LLC
Yardley, Pennsylvania

Kelly Henry is Principal of H&G Public Affairs, LLC, which specializes in developing and implementing strategic public affairs programs to meet clients’ communications needs, typically involving complex issues with environmental concerns. Kelly has managed crisis response and strategic public affairs programs at more than 100 sites across the country and Canada, often in cases involving numerous, diverse stakeholder groups; potentially controversial issues; and high risk to the client’s financial position or public image.

Kelly’s areas of expertise include public acceptance programs, crisis management, media relations and facilitation. She has more than 25 years of experience with supporting high-profile, long-term environmental remediation projects, with a niche specialty of manufactured gas plant sites. Since 1988, she has been providing these specialized public affairs services to clients in the fields of public utilities, energy, chemical and pharmaceutical manufacturing, aggregate mining, and solid and hazardous waste management.

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Kurt Herman, M.Eng., P.G.
Principal
Gradient
Cambridge, Massachusetts

Mr. Herman is a principal at Gradient with experience at more than 100 polycyclic aromatic hydrocarbon (PAH)-impacted sites, such as from former MGP, roofing plant, railroad, tar refining, petroleum storage and refining, and/or wood treating operations. He advises clients on complex environmental issues that draw upon his multidisciplinary background in economics, environmental engineering, and geology. He has led site characterization, remediation, and/or decommissioning efforts at dozens of sites in the US and abroad. He has served as an expert on cases involving environmental liability cost estimation, insurance cost recovery, historical operations and waste practices, potentially responsible party (PRP) cost allocation, National Contingency Plan consistency, and environmental forensics.

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Jeffrey Holden, P.E., LSP, LEP
Senior Engineer
GEI Consultants, Inc.
Ithaca, New York

Mr. Holden is a Senior Engineer with GEI located in the Ithaca, NY office. He has over 25 years of experience in the investigation and remediation of industrial sites under various regulatory programs including Superfund, RCRA, TSCA, and the Massachusetts Contingency Plan. He is a registered Professional Engineer in NY, CT and MA, a Licensed Site Professional in MA, and a Licensed Environmental Professional in CT. He holds degrees in Mechanical/Aeronautical and Civil/Environmental Engineering from Clarkson University, and currently serves as the lead for GEI’s PFAS Team.

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Eric Hritsuk
Environmental Engineer
Ramboll
Chicago, Illinois

Eric Hritsuk is a senior engineer at OBG, Part of Ramboll. He has 15 years of experience in environmental consulting throughout the United States in both federal and state regulatory programs. Mr. Hritsuk has extensive experience in contaminated sediment management in a variety of aquatic environments through all phases of project from investigation to construction, with an emphasis on contaminated sediment management at manufactured gas plant (MGP) sites. Currently, he acts as project manager or lead engineer on several contaminated sediment sites.

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John Hull
President
AquaBlok, Ltd.
Swanton, Ohio

John Hull, founder and President of AquaBlok, is a registered P.E. in Ohio and 13 other states. John is known nationally for his sediment management expertise, and on several occasions, has consulted internationally on contaminated sediment issues. He has provided consulting services for Superfund and National Priorities List sediment remediation projects in the Anacostia River in Washington D.C., Deer Creek in St. Loui, Missouri, Cold Creek Swamp in Axis, Alabama, Chattanooga Creek in Tennessee, Williams Ditch in Ohio, and many others. He has provided consulting services on dozens of additional contaminated sediment, bank slope soils, and upland soils management projects that involved hydraulic and mechanical dredging, capping, and/or other in-situ treatment technologies to address a variety of contaminants, including heavy metals, PAHs, PCBs, dioxins, mercury, and creosote. John is currently working with sediment management and beneficial use evaluations for the two largest shipping channel dredging operations in the Great Lakes (Toledo and Cleveland).

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Gary Hunt
Vice President and Principal Scientist
TRC
Lowell, Massachusetts

Mr. Gary Hunt is a Vice-President and Principal Scientist within TRC’s National Air Measurements Practice in their Lowell, MA office. He works principally in the environmental sector and, in particular, the characterization, quantification and control of toxic pollutant emissions from a variety of industrial sources, as well as their transport, fate and measurement in the environment.

Gary is a career environmental consultant for both industry and government and a life-long environmentalist. He has over 40 years of experience in the environmental services industry. He has a BS in Chemistry from Villanova University and an MS in Environmental Sciences from Rutgers University. Some areas of specialization include monitoring of stationary source emissions, ambient air monitoring, environmental chemistry, litigation support, air compliance audits and the distribution, occurrences, transport and fate of Persistent Organic Pollutants (POPs) in the environment. (e.g. Dioxins and PCBs).

Mr. Hunt is a Qualified Environmental Professional (QEP) and Fellow Member of the Air & Waste Management Association. He is also a member of the American Chemical Society (Environmental Chemistry Division), Sigma XI, and the American Society of Mechanical Engineers. Mr. Hunt has authored more than 100 journal manuscripts and symposia presentations on environmental topics.

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Matt Hysell
Project Environmental Engineer
Arcadis of New York, Inc./Arcadis U.S., Inc.
Syracuse, New York

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Gary Iadorola
Director of Remediation
Eversource Energy
Berlin, Connecticut

Gary Iadorola is the Director of Remediation for Eversource Energy. Mr. Iadorola has extensive experience in the assessment, remediation, and management of MGP sites and is based in Eversource Energy’s Berlin Headquarters. Gary is a Certified Professional Geologist and Licensed Environmental Professional.

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Paul Jansen
Senior Project Manager
GEI Consultants, Inc.
Cary, North Carolina

Paul Jansen specializes in leading design teams from the feasibility stage through design, remediation and closure for a variety of clients with a focus on refining, railroads, utilities and MGP sites and has developed an expertise in situ solidification (ISS) treatability, pilot testing and implementation of ISS remedies and sediment remediation. Mr. Jansen joined GEI in 2011 and is responsible for overall project delivery of construction projects (quality, schedule and budget) and to provide project technical design leadership; contracting support; constructability reviews; project change order negotiation; and conflict resolution for subcontracts and client contracts.

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Ross J. Johnson
Project Manager
J.F. Brennan Company, Inc.
La Crosse, Wisconsin

Ross Johnson is a Project Manager for J.F. Brennan Company, Inc. He has supported and managed numerous environmental dredging projects including the largest environmental remediation project ever undertaken on a U.S. river system. This project entails the cleanup of several million yards of PCB contaminated sediment, over 1,000 acres of subaqueous capping, and habitat restoration of the Fox River between Appleton and Green Bay, WI. Ross recently completed a four-year MGP cleanup project in Ashland, WI. The project consisted of mechanical dredging, hydraulic dredging, capping, and marine construction. Ross also supports Brennan’s hydrographic survey department and performs and processes data for both single and multi-beam systems.

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Michael Kierski, PhD
Managing Scientist
Exponent
Sauk City, Wisconsin

Dr. Kierski is an environmental biologist and toxicologist who helps his clients evaluate and solve their complex environmental problems. Over the past 32 years, Dr. Kierski has evaluated human health and ecological risks associated with chemicals in all components of the environment including soil, soil gas, sediment, groundwater, drinking water, air, food, and biota. He has evaluated risk at legacy contaminated sites where chemical contamination is present and has performed numerous evaluations specifically related to the potential for vapor intrusion into buildings at many of these sites. He has worked on over 50 manufactured gas plant (MGP) sites where he has performed human health and ecological risk assessments. He also has evaluated the risk to processes and products used by his clients. He has specialized expertise on the toxicology of metals, such as lead which he performed his doctoral research, hydrocarbons such as benzene and polycyclic aromatic hydrocarbons (PAHs), synthetic organic chemicals such as PCBs, pesticides, chlorinated solvents, and explosives. Dr. Kierski is a member of the Society of Environmental Toxicology and Chemistry (SETAC) and a board member of the Midwest Chapter of SETAC.

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Rachel Klinger, MS, P.E., BCEE
Principal Engineer
Geosyntec
Jacksonville, Florida

Ms. Klinger is a licensed professional environmental engineer in the State of Florida and has over ten years of experience completing site characterizations to support remedial design; evaluating and selecting remedial alternatives that are cost effective and achieve cleanup goals; designing, implementing, and optimizing selected alternatives; facilitating permitting; and identifying site closure strategies.

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Dale Kolstead
VP
Barr
Minneapolis, Minnesota

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Daniel Kopcow
Senior Engineer
GEI Consultants, Inc.
Ithaca, New York

Mr. Dan Kopcow is a registered Professional Engineer and certified Project Management Professional with over 30 years of experience in project management, environmental consulting, remediation and construction. His technical expertise includes project and construction management and lead engineer for execution of all phases of complex, multi-million-dollar environmental programs and projects including turnkey delivery (investigation, design, construction management, and O&M). Mr. Kopcow has performed design and constructability reviews and process engineering of large, complex Federal, State, MGP and private-sector projects for all contract types.

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Peter Kwon, MPS
Environmental Scientist
Anchor QEA, LLC
Woodcliff Lake, New Jersey

“Peter” Yong Seuk Kwon, M.P.S., is an environmental scientist at Anchor QEA, LLC with experience in data analysis and visualization, statistics, environmental forensics, hydrologic modeling, and chemical fate and transport modeling. Mr. Kwon has a Bachelor of Science degree in Natural Resources from Cornell University and a Master of Professional Studies degree in Environmental Resources Engineering from the State University of New York, College of Environmental Science and Forestry.

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Paul Lane
Site Manager
Clean Earth
New Castle, Delaware

Paul Lane is currently the site manager of Clean Earth’s New Castle, DE facility.

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Jim Langenbach
Sr. Principal Engineer
Geosyntec
Titusville, Florida

Mr. Langenbach is an environmental engineer with 25 years of extensive remediation design and project management experience involving the preparation and completion of site assessments; remedial system technology alternative evaluations, cost estimating and design; remedial system optimization; hydrogeologic investigations; environmental audits; environmental permits; and RCRA/CERCLA related assessment, interim response actions and remediation activities. Project work has included petroleum compounds, MGP/creosote residuals, metals, herbicides/pesticides and an emphasis on the high-resolution characterization and remediation of chlorinated volatile organic compounds (CVOCs) and dense non-aqueous phase liquids (DNAPLs). Mr. Langenbach sits on the Florida Institute of Technology Civil Engineering Advisory Council and serves as the Chair for the Florida Remediation Conference.

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Frank Lawson, PG
Supervisor – Remediation
FirstEnergy
Morristown, New Jersey

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Paul R. Lear, Ph.D.
Technical Director
Great Lakes Environmental & Infrastructure
Sevierville, Tennessee

Dr. Paul Lear serves as Technical Director for Great Lakes E&I, providing technical expertise in support of environmental remediation, sediment remediation, and geotechnical projects throughout the U.S. and Canada. He assists with business development, proposal preparation, and project execution. Dr. Lear has over 25 years of experience in hazardous waste treatment and chemical process development. He has been involved with the design and implementation of treatment systems at over 100 CERCLA and RCRA sites. His experience includes selecting and evaluating treatment alternatives, providing data for preliminary design activities and project equipment specifications, assisting project design teams, and implementing the final design. He received a B.S. degree in Soil Science from the University of Nebraska, a M.S. degree in Soil Chemistry/Mineralogy from the University of Illinois, and a Ph.D. degree in Soil chemistry/Mineralogy from the University of Illinois.

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Kenneth Lento
Project Manager
National Grid
Waltham, Massachusetts

Mr. Lento is a registered professional engineer and a Licensed Site Professional in the State of Massachusetts with 30 years of experience in managing site assessment, risk characterization, and remediation programs for industrial manufacturers and major utility companies. He current works in the Site Investigation and Remediation group for National Grid and manages their environmental liabilities throughout New England. In that role he also manages consultants performing site investigation and remediation of properties with environmental impacts.

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Dave Lowry, P.E., PMP, STS
Senior Project Manager
AECOM
St. Louis, Missouri

Mr. Lowry is an environmental engineer and project manager for AECOM with over 26 years of experience. He has been the final point of accountability for personnel, equipment and budgets for a wide variety of environmental programs including environmentally impacted property remediation and redevelopment, remediation system design and construction, characterization of environmentally impacted media, industrial waste minimization and sustainability efforts. His career has included management roles in the private sector as well as the consulting industry and has mentored staff and assisted clients to develop tactics, strategy, and sustainability decisions-based property use, potential human health and ecological risks, remediation trends and options, and regulatory requirements. Mr. Lowry is a licensed Professional Environmental Engineer in Missouri and Illinois, a certified Project Management Professional with the Project Management Institute and certified as a Safety Trained Supervisor for the Construction Industry by the Board of Certified Safety Professionals.

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Phillip Ludvigsen
PhD, Doctorate of Philosophy – Civil & Environmental Engineering with minors in Computer Science and Applied Statistics, Masters of Business Administration – Finance, Masters of Science – Environmental Health Engineering
Senior Associate
First Environment, Inc.
Boonton, New Jersey

Dr. Ludvigsen is a senior technical expert experienced in advanced decision support related to complex environmental litigation, cost allocation and environmental finance. Early in his career, Dr. Ludvigsen served as Principal Environmental Engineer at ERM, Inc. overseeing projects to automate human health risk and site assessment. While at ERM, he leveraged his doctoral research to build environmental expert system (artificially intelligent) programs to address site assessment tasks including the diagnosis of leaking underground storage tanks (USTs) and application of environmental fate and transport models. These experiences led to Dr. Ludvigsen being selected as an Expert Peer Reviewer for the U.S. EPA and Expert Witness Author for various environmental litigation engagements.

Dr. Ludvigsen has a proven track record of risk management and program development with a successful history of directing technical and financial aspects of multi-million-dollar projects. Notably, Dr. Ludvigsen helped manage a $25 million strategic investment fund for American Reinsurance (now part of Munich Reinsurance America) focused on environmental loss prevention and cost control. While at American Re, he also served as senior technical advisor on establishing over $1 billion in Environmental Impairment Liabilities (EIL) risk reserves.

Dr. Ludvigsen has used his career experience to teach graduate-level courses in Product & Services Innovation for Rutgers University and most recently he has been appointed as a visiting scholar at The George Washington University, Department of Engineering Management and Systems Engineering. He holds a doctorate in Civil and Environmental Engineering with graduate minors in Computer Science and Applied Statistics. He also holds a Masters in Environmental Health Engineering, an MBA in finance and undergraduate degrees in Biology and Chemistry.

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Jeff McDonough
Principal Environmental Engineer
Arcadis U.S., Inc.
Portland, Maine

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Laura McWilliams, PhD, LG
Technical Expert
Haley & Aldrich, Inc.
San Diego, California

Dr. McWilliams has 25 years of investigation and remediation experience, with 19 years in environmental consulting. Her focus is on contaminated sediment sites and the adjacent uplands, which may be potential sources of historical and/or ongoing contamination. She specializes in planning and managing multidisciplinary investigations for complex upland and sediment sites and also offers experience in developing multi-component remediation strategies for these sites. A particular strength is the development of clear and concise conceptual site models (CSMs) to facilitate communication with agencies and other stakeholders and build consensus. Her environmental consulting experience includes remedial investigation/feasibility (RI/FS) studies for Superfund, State-led cleanups, Resource Conservation and Recovery Act (RCRA) sites, settlement negotiations with regulatory agencies, and scientific support of cost allocation/recovery.

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Thomas Merenda
Project Manager – Environmental Engineer
New Jersey Natural Gas Company
Wall, New Jersey

Mr. Merenda is an MGP project manager for New Jersey Natural Gas Company. He is responsible for the technical, regulatory and financial management of several MGP sites, including the Toms River Former MGP site. The site consists of seven separate properties, each of which requires the negotiation of access and the site remediation approach with the property owners. NJNG assessed the efficacy of ISCO for several properties at the site with the goal of minimizing disturbance to the properties during remediation.

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Sarah Meyer
Senior Managing Scientist
Ramboll
Chicago, Illinois

Sarah Meyer is Senior Managing Scientist at OBG, Part of Ramboll. She has 22 years of experience in environmental consulting and research throughout the Great Lakes Region and nationwide. Ms. Meyer has extensive experience in program and project management for large and high-profile sites; and assessment and remediation work at sites that include contaminated sediments, manufactured gas plants (MGPs), coal combustion residuals (CCR), environmental emergency response, and time-critical removal actions. Currently, she develops strategy and manages a team of scientists and engineers for a portfolio of former MGP sites in the USEPA Superfund Alternative Sites (SAS) program.

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William O. Monette, Jr., P.E.
Project Manager
O’Brien & Gere
Syracuse, New York

Mr. Monette graduated from Rensselaer Polytechnic Institute in 2001 with a B.S. in Environmental Engineering. He began work with O’Brien & Gere in 2001 and is still currently employed there. He is a licensed professional Engineer in NY, VT, NH, ME, MA, TN, and AL. He is active in ASCE-NH and ACEC-NH and a member of ASCE and SAME. Mr. Monette’s areas of expertise include geotechnical and foundation engineering, geosynthetics, and geoenvironmental design. He has held lead geotechnical responsibility for subsurface investigations and has designed numerous deep and shallow foundations systems as well as landfill cap and closure systems. He is currently responsible for managing several projects and leading the geotechnical and geoenvironmental design of complex projects maintains a close relationship with clients during the study, design, and construction phases of a project, and continues client contact following project completion.

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James Morgan
Project Manager
National Grid
Syracuse, New York

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Marc B. Okin, CPG
Remediation and Due Diligence Manager
NiSource, Inc.
Columbus, Ohio

Marc Okin, Remediation & Due Diligence Manager for NiSource, a fortune 500 energy holding company, has worked in the natural gas, electric and remediation industry for over 30 years. During his career, he has managed large portfolios of environmental liabilities, ranging from manufactured gas plant remediations, to elemental mercury cleanups in a multi-state program, to hundreds of natural gas compressor stations impacted with PCBs. He is also heavily involved in the more recent Federal CCR Rule implementation and managed the decommissioning of one of NiSource’s former coal fired generating stations. Marc is a professional geologist who resides in Columbus, OH with his wife and daughter.

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Tim Olean
Technical Director
Ramboll
Milwaukee, Wisconsin

Mr. Olean has extensive experience in environmental remediation project management including estimating, design, scheduling, peer review, and implementation oversight. In addition to his technical roles he has also served in leadership roles ranging from technical director, department head and office manager to practice leader and Vice President. He specializes in remedial strategy, remedy selection and evaluation, constructability review, design and construction management on environmental projects focusing on former industrial sites. He has lead efforts for treatability, pilot studies, design, regulatory negotiation and implementation of 20 in situ solidification remedies and has also led an effort with an electric power industry group and the USEPA to develop an emerging sediment remediation technology using in situ solidification on impacted sediments. Mr. Olean has also been involved in the selection of appropriate dredging and capping technologies and contractor selection and oversight of large and complex environmental dredging projects.

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Matthew O’Neil
Senior Engineer
GEI Consultants, Inc.
Glastonbury, Connecticut

Mr. O’Neil is an environmental engineer and project manager with twenty years of environmental consulting experience including eleven years managing MGP remediation projects in the northeast.

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Kirk O’Reilly
Senior Managing Scientist
Exponent
Bellevue, Washington

Dr. Kirk O’Reilly a Senior Managing Scientist with Exponent’s Environmental Sciences practice has a PhD in Biochemistry and a JD from the University of Idaho. He has published extensively on the use of environmental forensics to characterize sources of polycyclic aromatic hydrocarbons in sediments. Dr. O’Reilly has 30 years of experience managing projects focused on the remediation of soils, sediments, and groundwater. He is also active in research projects that involve the collaborative efforts of industry, regulatory agencies and academic institutions.

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Dave Palmer, PG, PMP, EVMP
Manager, Remediation Projects – Ameren Environmental Strategy and Analysis
Ameren Services
St. Louis, Missouri

Dave currently manages Ameren’s large-scale remediation projects, including a portfolio of former MGP site remediation projects. Prior to his role at Ameren, Dave spent 15 years as a project/portfolio/program manager working on diverse construction, geotechnical, and environmental projects across the U.S., including development, planning and execution of predominantly large-scale facility decommissioning and remediation projects. Dave received a bachelor’s degree in Geology from Missouri State University and is a Professional Geologist. He has also earned PMP and EVMP certifications.

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Laurie Parsons
Professional Engineer and Professional Hydrogeologist
Senior Vice President
Ramboll
Milwaukee, Wisconsin

Ms. Parsons has over 30 years of experience in environmental engineering, project and technical management, related to soil/groundwater/sediment contamination assessments, remedial design engineering/analysis, construction management, and regulatory interface under both Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and state lead projects.

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Robert Paulson
Principal Environmental Consultant
WEC Energy Group – Business Services
Milwaukee, Wisconsin

Robert (Bob) Paulson is a member of WEC Business Services’ Remediation Team assisting WEC Energy Group’s utilities (We Energies, Wisconsin Public Service, Michigan Gas Utilities, Minnesota Energy Resources, Peoples Gas, North Shore Gas and Upper Michigan Energy Resources) in addressing legacy contamination issues. Bob is the Remediation Team’s project manager for the Milwaukee Solvay Coke and Gas site, several manufactured gas plant (MGP) sites within WEC Energy Group’s portfolio and is the Team’s lead on contaminated sediment projects. Bob earned a Bachelors degree in Water Resources at UW-Stevens Point and Masters from the University of Missouri conducting his thesis research at US Geological Survey’s Columbia Environmental Research Center in aquatic toxicology. Bob’s convoluted environmental career path spans 30+ years and includes working for The Johns Hopkins University Applied Physics Laboratory, couple of stints in environmental consulting, Wisconsin Department of Natural Resources and Minergy Corporation before settling in the Environmental Department at WEC Energy Group. Prior to joining the Remediation Team, Bob managed the beneficial use of more than 500,000 tons/year of We Energies gypsum, wood ash and bottom ash combustion products.

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William Pence
Attorney
Baker Hostetler
Orlando, Florida

Mr. Pence resides in Orlando, FL and focuses his practice on environmental and energy representation. He represents utilities, municipalities, bulk fuel storage and pipeline companies, and industry before state and federal environmental regulatory agencies. His practice includes managing investigation and remediation of contaminated properties, using his knowledge of this science-driven field to provide reliable advice to his clients on cost-effective remedial alternatives; negotiating applicable cleanup criteria with regulatory bodies; and representing clients in the defense and pursuit of enforcement and cost recovery claims under CERCLA, RCRA and similar state laws. He also represents clients in connection with permitting- and compliance-related matters pertaining to petroleum pipelines, terminal facilities and tank farms.

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Thomas R. Plante, MS, P.E.
Design Service Leader
Haley & Aldrich, Inc.
Portland, Maine

Mr. Plante is a professional engineer in civil and environmental engineering with 30 years in engineering consulting. The majority of his work focuses on investigation and remediation of contaminated sites, many of which are former MGP sites. He has performed a number of applied research projects for EPRI, including in-situ solidification, product containment barriers, NAPL mobility, technical impracticability, among others. Mr. Plante has also been a contributing author on published in-situ solidification guidance and manual of practice documents.

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Vijay Radics, MS, Geochemistry
Senior Technical Specialist
GZA GeoEnvironmental, Inc.
Norwood, Massachusetts

Ms. Radics is a Senior Scientist at GZA with a background in geochemistry and 25 years of experience that includes managing site assessment and remediation programs for industrial manufacturers and major oil companies. Her current focus is on data evaluation and reporting for complex multi-acre sites to meet State and Federal Superfund requirements. She specializes in synthesizing large datasets to construct conceptual site models, develop assessment and remedial work scopes and completion reports, and document compliance with regulatory criteria.

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Averil Rance
Vice President
Clean Earth
Hatboro, Pennsylvania

Averil Rance is the Executive Vice President for environmental health and safety at Clean Earth.

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Frank M. Ricciardi, P.E., LSP
Vice President
Weston & Sampson
Reading, Massachusetts

Frank Ricciardi is the environmental, geotechnical, and energy (EGE) Discipline Leader for Weston & Sampson. Frank has over 25 years of experience in the assessment and cleanup of contaminated properties including MGP sites. Mr. Ricciardi is a registered Professional Engineer and Licensed Site Professional with expertise in project management, environmental engineering, remediation system design, and climate resiliency. He has additional expertise in innovative technology implementation for field investigations and remediation and the operation and maintenance of remediation systems. Frank is a graduate of Worcester Polytechnic Institute with a BS in Civil Engineering and Tufts University with an MS in Environmental Engineering.

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James W. Rice, PhD
Senior Environmental Scientist
Gradient
Cambridge, Massachusetts

Dr. Rice is an environmental scientist specializing in contaminant transport and source identification, read-across assessment, and the evaluation of organic compound contaminants. He applies his expertise to environmental cost allocation, site remediation, groundwater assessment, insurance cost recovery, litigation support, and chemical compliance. Before joining Gradient, Dr. Rice was a postdoctoral research associate and state agencies liaison in Brown University’s Superfund Research Program (SRP), where he served as a knowledge broker between the Brown SRP and its government and business stakeholders. During his doctoral and postdoctoral work, Dr. Rice evaluated the thermodynamics and phase behavior of polycyclic aromatic hydrocarbon (PAH) mixtures and used passive samplers to monitor petroleum hydrocarbons in an oil-contaminated river.

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Joseph R. Ridgway, P.E.
Managing Engineer
Ramboll
Chicago, Illinois

Joseph Ridgway is a Managing Engineer with OBG, Part of Ramboll with a BS in Environmental Engineering from Michigan Technological University who is licensed in Illinois, Michigan, and New York. Mr. Ridgway has extensive experience with remedial investigation, remedial design, treatability and pilot studies, construction, and remediation system O&M at former MGP sites. Mr. Ridgway has supported remediation and redevelopment efforts at over 25 MGP sites in Illinois, Michigan, New York, North Dakota, and Wisconsin.

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John A. Ripp, MS
V.P. Senior Consultant
GEI Consultants, Inc.
Bolton, Connecticut

John Ripp is vice president and part-time senior consultant with GEI Consultants. He has been a leader in the consulting practice for utility companies managing manufactured gas plant sites since 1981. Starting in 1995, Mr. Ripp collaborated with his partner Dennis Unites in sponsoring and organizing international MGP symposia focused on new developments in applied technologies and site redevelopment for former MGP sites. These include conferences in Prague, Czech Republic; Reading, England; Dresden, Germany; Mystic, Connecticut: Chicago, Illinois, Providence, Rhode Island and New Orleans. 

Over the last 33 years Mr. Ripp has been an MGP program manager for GEI projects with National Grid, Con Edison, Orange and Rockland Utilities, Eversource (aka Northeast Utilities), JCP&L (First Energy), EPRI and others. He has provided expert services to utility clients in PRP disputes, liability cost estimating, site development histories, forensic analysis and oversight of MGP remediations. Currently Mr. Ripp is semi-retired but is available for special assignments.

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Gary Rose
Corporate Project Manager
Sevenson
Niagara Falls, New York

Mr. Rose is a Corporate Project Manager at Sevenson. He also serves as Sevenson’s MGP Program Manager. In this capacity, he has managed over 31 MGP projects worth over $200M and more than 450K workhours of complex MGP remediation projects for major utility companies. Mr. Rose’s project teams have consistently executed challenging remedial construction and environmental dredging projects on schedule and within budget. He works closely with his team preparing proposals and cost estimates. Upon award of a contract he transitions to developing work plans and submittals prior to mobilization and commencement of work. Mr. Rose also has 32 years of experience working closely with owners and engineers participating in constructability reviews, enabling project teams to anticipate differing site conditions, as well as make timely, well-informed decisions that often realize operational efficiencies and cost savings. To date, his constructability reviews have saved millions of dollars in construction costs for clients.

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Blaine Rothauser
Sr. Project Manager
GZA GeoEnvironmental
Fairfield, New Jersey

Mr. Rothauser specializes in Threatened and Endangered (T&E) species analysis and environmental impact studies. He is professional conservation biologist with over 26 years of experience in conservation management of natural resources. He has successfully submitted over 100 rare species reports to the Land Use Element of NJDEP and has conducted environmental impact assessments and rare species surveys throughout the state. Using his skills as a wetland, floodplain, and riparian ecologist, Mr. Rothauser has designed, and coordinated conservation management plans on public and private lands.

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Michael Rury
Senior Scientist
Anchor QEA, LLC
Amesbury, Massachusetts

Michael Rury is a senior scientist at Anchor QEA, LLC with 20 years of experience performing various data analyses and implementation of data collection programs.

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Ray Sambrotto, Ph.D.
President and Chief Science Officer
Allied Microbiota
Blauvelt, New York

Ray Sambrotto has been an environmental microbiologist at Columbia University for several decades. He began working on the application of microbes to the remediation of contaminated soils and sediments and now focuses mainly on the commercialization of this technology by his company, Allied Microbiota.

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Andrew Santini
Senior Engineer
Consumers Energy
Jackson, Michigan

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Donald Schillling
Senior Professional
GEI Consultants, Inc.
Vernon Hills, Illinois

Don is a Senior Professional with GEI Consultants, Inc. He has over twenty years of experience in the investigation, remediation, and management of former MGP sites. He has worked in the Midwest on MGPs including complex urban sites. His experience includes planning and implementation of MGP site remediation, site investigations, feasibility studies, pre-design investigations, site soil and waste management, and MGP program management. He earned a Bachelors degree in Geology from University of Minnesota in 1992 and Post Graduate Studies in Hydrogeology at Wright State University.

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Geoffrey Schwartz
Sr. Project Manager
GZA GeoEnvironmental, Inc.
Norwood, Massachusetts

Mr. Schwartz is a project manager and engineer with over 17 years of experience in the geo-environmental engineering field. His engineering experience in the remediation field includes design, specification and contract drawing development, bid document preparation, construction oversight and construction management, development and execution of RI/FSs, bench scale and pilot treatability studies. Mr. Schwartz has worked on implementation and treatability study evaluations of remediation technologies including solidification/stabilization, slurry trenches, groundwater interceptor trenches, dewatering of sludges and soft sediments, dredging, excavation and source removals, grouting, and soil mixing. Mr. Schwartz is a P.E. in Massachusetts and New York and active in the Boston civil engineering community, recently serving as President of the Boston Society of Civil Engineers Section (BSCES).

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Ryan Scott, P.E.
Senior Engineer
Haley & Aldrich, Inc.
Rochester, New York

Mr. Scott is a senior engineer and project manager with extensive experience in the investigation of sediment sites, including PCB and former MGP sites. He is currently the lead engineer on a former MGP sediment site in the remedial planning phase, which involves conventional and reactive sediment capping to address legacy MGP sheens, DNAPL and residuals.

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Steven C. Shaw, P.E.
Corporate Estimator/Manager
Sevenson Environmental Services
Baltimore, Maine

A professional engineer with remedial dredging experience as both a consultant and a contractor, Mr. Shaw is employed as a corporate engineer and estimator at Sevenson Environmental Services, Inc. His experience has been focused in the areas of civil, environmental, and dredging engineering; containment facility design and dredged material disposal techniques; environmental dredging and processing of sediments; marine construction cost estimating and construction management; port and harbor planning and development; coastal permitting; navigation channel design; dredging production analysis; and dredge/marine equipment design/selection.

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Tim Silar, P.G.
Principal GeoScientist
Silar Services, Inc.
Efland, North Carolina

Professional hydrogeologist with over 30 years technical and managerial experience in consulting relating to environmental investigations and remediation for utility, industrial, and government clients. Areas of experience include development and management of site assessments, remedial investigations and feasibility studies, evaluation of site characterization data, and the design and implementation of remedial alternatives and construction oversight. Serves as Principal Geoscientist for Silar Services Incorporated (SSi) where he is responsible for client relations, communication and negotiations with regulatory agencies, management of subcontractors and project cost control. Mr. Silar helped form the firm, which focuses on innovative technical and business strategies to address environmental liabilities.

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Randy Sillan, PhD, PE, BCEE
Principal Environmental Engineer
Central Region-Environment

Dr. Sillan is a Principal Environmental Engineer with AECOM and has over 20 years of experience as a consultant and professional engineer.  Undergraduate and graduate degrees are from the University of Florida where his doctoral research focused on innovative NAPL assessment and remediation tools. He currently supports a broad range of rail, utility, and industrial clients as the technical lead or subject matter expert on projects.  Dr. Sillan also chairs the committee that develops the professional environmental engineering exam for the National Council of Examiners for Engineering and Surveying (NCEES).

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Yelena Skorobogatov

Yelena Skorobogatov is a Technical Specialist with MGP-Remediation at Consolidated Edison Company of New York, Inc. She has worked on a variety of MGP related projects focusing on finding faster and better ways to remediate MGP sites. Yelena holds a Master’s degree in Mining Engineering – Hydrogeology from the Moscow Geological Prospecting Institute, Russia.

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Brant Smith, P.E., Ph.D.
Technical Applications Manager: ISCO
PeroxyChem
Philadelphia, Pennsylvania

Dr. Brant Smith is the Technical Applications Manager for In Situ Chemical Oxidation (ISCO) technologies at PeroxyChem. With over 15 years of experience, Dr. Smith has designed and implemented numerous field applications and bench scale tests involving ISCO, in situ bioremediation, in situ chemical reduction, and metals stabilization. He has been an author on over 70 presentations at national and international conferences and his research have been published in journals including Environmental Science and Technology, Journal of Contaminant Hydrology, Environmental Toxicology and Chemistry, Journal of Environmental Science and Health, and Journal of Environmental Engineering. Dr. Smith is a chapter co-author for the book “In Situ Chemical Oxidation for Groundwater Remediation” (Siegrist, et al., 2011). Dr. Smith obtained a Bachelors of Science with the majors of Civil and Environmental Engineering and Economics from Worcester Polytechnic Institute, and a Master of Science and Ph.D. in Civil Engineering from Washington State University. He is a registered Professional Engineer in Washington State.

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Eric Spazzarini
Staff Engineer
GEI Consultants, Inc.
Glastonbury, Connecticut

Eric graduated with both a Master of Science and a Bachelor of Science degree in Civil and Environmental Engineering from Worcester Polytechnic Institute. Eric has spent the last 3 years working on the design and field oversight of MGP remediation.

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Vipul J. Srivastava
President
EcoLogic Strategies, Inc.
Woodridge, Illinois

Mr. Vipul J Srivastava is an accomplished with nearly 40 years of professional experience in the environmental and contaminated site remediation field with focus on closure strategy development; comprehensive and high-resolution site characterization; remedial alternative analysis; and in-situ technology implementation for MGP/NAPL/DNAPL sites as well as complex industrial facilities. His technical expertise also includes many in-situ remediation technologies such as in-situ solidification/stabilization (ISS), in-situ chemical oxidation (ISCO) using a variety of oxidants, in-situ thermal treatment (ISTT), enhanced biological treatment (Enhanced Bio), permeable reactor barriers (PRBs), monitored natural attenuation for upland (MNA), etc.

Mr. Srivastava provided expert technical and engineering services to utility and industrial clients, including as the 3rd-party reviews, for MGP projects as well as Federal and State Superfund projects with coal-tar (BTEX and PAHs), PCBs, acid-tar (BTEX, PAHs, and sulfurous VOCs) and recalcitrant compounds (BCEE; BCEM; 1,4-Dioxane; PCBs; PAHs; DDT; etc.). He served as the subject matter expert (SME) and the lead technical reviewer (LTR) on several highly complex industrial projects including those involving TCE/PCE, PCBs and heavy metals such as arsenic, lead and mercury. Also served as the project manager for projects involving remedial investigation, feasibility-studies/remedial alternative analysis, remedy selection, preliminary design, treatability tests, pilot tests, full-scale remediation, etc.

Mr. Srivastava previously served as the Technology Fellow and Practice Leader of Site Remediation at CH2M HILL, Senior Technical Director at Parsons Corporation, and Director of Environmental at GTI.

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Andrew Timmis
Director of Business Development – Environmental Group
J.F. Brennan Company, Inc.

Andrew has over 30 years of operational and business development experience working for a number of environmental remediation companies, providing services such as technical support for dredging, and soil and groundwater remediation projects. Prior to joining the Brennan team, he was in charge of developing environmental opportunities, as well as the design and estimating of UST removal projects. Andrew has a technical background with experience in large civil construction, dredging, and capping operations. He received a Bachelor of Arts in Environmental Resources Management and Planning from Plattsburgh State University.

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Dennis M. Toft, JD
Member of the Firm
Chiesa Shahinian & Giantomasi PC
West Orange, New Jersey

Dennis Toft, member of CSG’s executive and management committees and chair of the firm’s Environmental Group, is a renowned environmental lawyer who applies a keen understanding of science and the complexities of regulatory process when addressing the wide range of issues that his clients face. He provides counsel on all aspects of environmental law, including regulatory counseling, environmental due diligence, permitting, enforcement and environmental litigation, development/redevelopment and environmental insurance.

Dennis has extensive experience representing clients in numerous complicated transactions in litigation and in regulatory matters. Typical matters include assisting a client in negotiating the first environmental risk transfer agreement that was approved by the New Jersey Department of Environmental Protection; representing clients in obtaining all the regulatory approvals for major facilities, utility lines, hazardous and solid waste incinerators and similar controversial projects; defending and negotiating settlements of natural resource damage claims; defending clients in cost recovery actions; defending and negotiating settlements of civil and criminal enforcement actions resulting from discharges or permit violations; representing clients dealing with Clean Air Act, Water Pollution Control, RCRA and other complicated regulatory processes; and handling all aspects of complicated Brownfield transactions.

Dennis played a key role in the adoption of the New Jersey Brownfields and Contaminated Site Remediation Act. More recently, Dennis was instrumental in the development and adoption of the New Jersey Site Remediation Reform Act (SRRA), which establishes a Licensed Site Remediation Professional Program in New Jersey. He is currently serving on the NJDEP Steering Committee for the implementation of the SRRA.

Dennis received his J.D. from Columbia University School of Law, where he was a Harlan Fiske Stone Scholar. He earned a degree in physics from Massachusetts Institute of Technology.

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Caroline B. Tuit, PhD
Senior Environmental Chemist
Gradient
Cambridge, Massachusetts

Dr. Tuit is an environmental chemist with over 12 years of experience in evaluating the source, fate, and bioavailability of chemicals in the environment. She is experienced in designing cost-effective sampling plans, interpreting environmental data and evaluating data quality, as well as researching historical chemical manufacturing processes. Dr. Tuit’s scientific analyses have identified and determined the magnitude of contaminant sources and provided a scientific basis for cost allocations. At Gradient, Dr. Tuit provides technical support for environmental forensic and risk assessment projects. She has been involved with projects dealing with PCBs, PAHs, dioxin/furans, and trace metals. Before joining Gradient, she was a Hess Postdoctoral Fellow at Princeton University. Prior to that, she received her Ph.D. in Oceanography from the MIT/WHOI Joint Program, where she authored a thesis on the marine biogeochemistry of molybdenum.

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Dennis Unites
Senior Vice President 
GEI Consultants, Inc.
Mount Laurel, New Jersey

Mr. Unites is a professional geologist with over 40 years of experience. His first encounter with MGP’s was in the early 1980’s at the Brodhead Creek Superfund site in Stroudsburg Pa. Since then he has been involved in the management of numerous MGP sites. He has lead R&D efforts for GRI and EPRI as well as serving as an expert witness for a number of MGP cases.

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Grant Wallace
Staff Engineer
GEI Consultants
Cary, North Carolina

Grant Wallace is an Environmental Engineer based in Raleigh, NC. Mr. Wallace has 3 years of industry experience with a focus on remedial design, contaminated site assessment, and transactional due diligence for electric utility, railroad, and real estate clients. Through these projects, he has worked with a variety of regulatory frameworks including state Brownfields programs, CERCLA, and voluntary cleanup programs. Mr. Wallace’s role in his projects have included management and support of remedial alternatives costing and analysis, detailed design, site investigation, reporting, and GIS/database management.

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Patrick Watters
Project Manager / Environmental Engineer
North Carolina – Department of Environmental Quality
Raleigh, North Carolina

Over 25 years technical and project management experience with NC DEQ as related to environmental investigations and remediation for Manufactured Gas Plant sites, DOD sites, NPL sites and dry cleaner sites. Areas of experience include technical and regulatory planning and management of site assessments, investigations, feasibility studies, evaluation of site characterization data, and the design and implementation of remedial alternatives.

Experience prior to NC DEQ includes licensing and regulatory engineering for a commercial nuclear fuel manufacturing plant, the high-level nuclear waste project at Yucca Mountain and the low-level nuclear waste disposal project in North Carolina.

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Laurence Welch, Jr., P.E.
Project Manager
GEI Consultants, Inc.
Portland, Maine

Mr. Welch joined GEI Consultants in 1999 and currently resides near Portland, Maine. He is an Environmental Engineer with 20 years’ experience performing and managing remediation activities; developing remediation strategies; and evaluating, designing, and managing the construction and operation of multi-disciplinary remedial solutions. Mr. Welch received a Master of Science degree in Environmental Engineering from Rensselaer Polytechnic Institute in 2003.

Mr. Welch has experience with numerous state regulatory programs and has participated in remediation work at former Manufactured Gas Plant sites, educational facilities, commercial and manufacturing facilities, and municipal properties. Specific remedial engineering experience includes soil vapor extraction systems, residential and commercial soil vapor intrusion mitigation systems, groundwater extraction and treatment systems, in-situ solidification, sediment dredging and capping, and large-scale soil excavation and remediation waste management.

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Susan Welt, MPH, P.E.
Principal
Geosyntec Consultants
Acton, Massachusetts

Susan Welt, MPH, P.E. is a Principal at Geosyntec Consultants with almost 20 years of experience focused on the investigation and remediation of industrial sites, including MGPs. She is a recognized expert in the field of vapor intrusion and leads Geosyntec’s MGP Practice Team and their public relations/communication service area. Her practice focuses on the risk-based management of contaminated media and on developing remediation action levels and strategies that are protective of public health and the environment and minimize disruption to the community.

Her MGP experience is broad and includes site investigation, engineering design, remedial oversight, and site management. She has researched various remedial measures to address residual MGP impacts, including development of risk-based remedial goals that incorporate bioavailability for MGP-impacted sediments.

She is skilled at stakeholder negotiations and public outreach and communications as they relate to the management of complex environmental sites. She has participated in the dispute resolution process, negotiating the appropriate measures to reduce exposures from soil and impacted groundwater. She has also authored numerous papers and given presentations on a variety of topics including community relations, risk-based management of contaminated sediments, treatment of groundwater, in situ remedial methods for contaminated sediments and soils, and health and safety. She has developed and implemented many forums for discussing the status and rationale for environmental work and the associated human health and environmental risks.

In 2010, Susan became a fellow in the Environmental Public Health Leadership Institute at the U.S. Centers for Disease Control and Prevention focusing on “Effective Communication: Demonstrating the Need for Open, Honest, and Timely Responses to Stakeholder Concerns”. She is a member of the National Society of Professional Engineers, the Association for Environmental Health and Sciences, and the National Air and Waste Management Association.

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Jon C. Williams, P.E.
Environmental Engineer
GEI Consultants, Inc.
Cary, North Carolina

Jon Williams is a P.E. with more than fifteen years of experience as a consulting engineer, primarily in remediation design and construction management. Mr. Williams has participated in the design and implementation of remedial actions on more than a dozen former manufactured gas plant sites. Mr. Williams has recently served as design lead on several MGP remedies with contract values ranging from $5MM to $30MM. Prior to his current role as design lead, he traveled widely within the US to gain hands-on experience as field engineer and construction quality assurance officer for numerous remedy implementations ranging from small projects to multi-million-dollar contracts.

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Kristen M. Wright-Ng, MS
Project Manager
Haley & Aldrich, Inc.
Rocky Hill, Connecticut

Kristen Wright-Ng is an engineer with over 13 years of experience at Haley & Aldrich performing project management and technical support for remediation of contaminated properties, with a focus on former manufactured gas plant (MGP) sites. She has a B.S. in engineering from Smith College and a M.S. in Civil and Environmental Engineering from Carnegie Mellon University. Much of her work is focused on site investigations, remedial alternative feasibility studies, remediation work plans, pre-design studies, and remedial design permitting in both upland and sediment projects.

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