ITRC: Introduction to Hydrocarbons

Lloyd Dunlap (dunlaplloyde@gmail.com)
Lloyd E. Dunlap retired and now is an ITRC Emeritus member. Lloyd worked all his 30+ year career on special projects in the hydrocarbon remediation area. He has experience in environmental, energy, and regulatory issues, plus RCRA Corrective Action and Strategic Planning for complex sites. Lloyd worked in multiple environmental positions at BP from 1982 until 2012. He managed projects under the jurisdiction of Resource Conservation and Recovery Act (RCRA), Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), the European Union, administrative orders on consent, and state programs in nearly every state. He has authored numerous publications and often speaks at environmental conferences about regulatory issues and trends. Lloyd earned a bachelor's degree in Geology from the University of Kansas in Lawrence, Kansas, in 1975 and a Master of Science in Geology/Hydrogeology from Kansas State University in Manhattan, Kansas, in 1977.

Tom Fox, Colorado DPHE (tom.fox@state.co.us)
Tom Fox is an Environmental Protection Specialist in the Division of Oil and Public Safety (OPS) within the Colorado Department of Labor and Employment in Denver, Colorado. Tom has worked with the OPS since 2007. General duties include reviewing site characterization reports and corrective action plans; and providing guidance to optimize technical and economic feasibility of corrective actions, implementation/operation of systems, and reimbursement via the state fund. In addition, Tom has been involved in special projects such as developing electronic reporting formats, assessing the success of carbon injection for petroleum cleanups, and modifying Colorado's policy on LNAPL recovery. Prior to joining OPS, Tom was a petroleum geologist with ARCO from 1982-1986 doing exploration in the western US, and an environmental consultant on petroleum projects for several companies during 1986-2007. Tom has authored several articles, papers and presentations on assessment and corrective action techniques. Tom earned a bachelor's degree in earth science (geology) from Millersville State College (Pennsylvania) in 1980 and a master's degree in geology from Michigan State University in 1982.

Steve Gaito, AECOM (steven.gaito@aecom.com)
Steven Gaito is a NAPL Technical Specialist with AECOM specializing in developing LNAPL conceptual site models and remedial strategies at complex sites for auto, rail, energy and oil and gas clients. Steven participates in educational and research initiatives related to LNAPL, including supporting ITRC, contributing to ASTM guidance documents, and leading LNAPL training workshops.

Matt Lahvis, Shell (matthew.lahvis@shell.com)
Matthew Lahvis is a Principal Engineer at Shell Oil Products US and provides support on soil and groundwater issues related to the company’s oil and gas operations. Matt received his PhD in Civil Engineering from Drexel University in 1993 and has authored several papers on vapor intrusion. Matt also serves as an Associate Editor for the Ground Water Monitoring and Remediation journal.

Mark Lyverse, AECOM (Mark.Lyverse@aecom.com)
Mark Lyverse currently works for AECOM. Previously, Mark was a senior staff hydrogeologist with Chevron’s Energy Technology Company. He is a member of the Site Assessment and Remediation Team in San Ramon, California and is a subject matter expert in LNAPL. Since 1990, he has provided technical advice both domestically and internationally to project managers and consultants in the areas of developing site strategies, site characterization, assessment, and remediation. His experience prior to Chevron includes 10 years with the U.S.G.S and 2 years in private consulting. Mark has been a member of the American Petroleum Institute's soil and groundwater technical group since 2002 and was industry co-chair the former RTDF LNAPL group from 2001-2005. In that role he made technical presentations to over hundreds of attendees from various regulatory and stakeholder groups. Mark earned a bachelor of science degree in forestry from Utah State in Logan in 1977 and a master's degree in Water Resources (specialization in hydrology) from the University of Wyoming in Laramie in 1981

Diana Marquez (dianaymarquez@gmail.com)
Diana Marquez retired as an Associate Toxicologist with Burns & McDonnell, where she started in June 1995. She served as the company's National Practice Leader for Risk Assessment Services. She has more than twenty years of risk assessment experience and has worked with a wide variety of sites under CERCLA, RCRA, and state-led programs. She has successfully completed work nationwide for both human health risk assessments and the determination of site-specific cleanup levels. She has direct experience working with large PRP groups on complex sites that require careful negotiations with regulators. Through this experience, she has gained in-depth knowledge of state and federal regulations. She authored 15+ publications on risk assessment, risk-based corrective actions, and vapor intrusion. Diana earned a bachelor's degree in biology from Villanova University in Villanova, PA in 1991 and a master's degree in toxicology from University of New Mexico in Albuquerque, NM in 1992.

Chris Mulry, GES Online (CMulry@gesonline.com)
Christopher Mulry, P.G. is a Vice President and Principal Hydrogeologist based out of GES' Maryland office. He has a diverse background in environmental investigations, risk management and the design, operation and maintenance of soil and groundwater remediation and management programs — primarily at petroleum facilities. He has served with GES in various technical and managerial capacities since 1986 and has worked at project sites in the US and internationally. Mr. Mulry has been responsible for completing investigative and remediation programs in a wide range of site settings with an emphasis on Conceptual Site Model development. He has experience with direct sensing and geophysical tools and techniques as well as multi-level evaluations in complex and fractured rock settings. Mr. Mulry has presented technical topics on a wide range of subjects including fractured rock characterization, LNAPL behavior and petroleum vapor intrusion. He also leads an internal group of hydrogeologists at GES that focuses on technical innovation, quality and training. Mr. Mulry is a licensed professional geologist in the states of Delaware, Pennsylvania Virginia and New York. Mr. Mulry has a BS in Geology from the University of Delaware and an MS in Geology from the University of Maine

Shannon Suggs, NDDEQ (ssuggs@nd.gov)
Shannon Suggs works in the Groundwater Protection Program at the North Dakota Department of Environmental Quality (NDDEQ) as the Source Water Protection Coordinator for the state. She is also a project manager of several department wide projects including the NDDEQ PFAS Assessment and North Dakota Risk-Based Corrective Action (NDRBCA). Shannon supports source water evaluation and assessment, risk evaluation and remediation of contaminated sites, Underground Injection Control regulation and inspections for Class I and Class V facilities and in tandem with the ND Department of Mineral Resources, review of Class VI facilities permit applications. As needed, she consults for other NDDEQ programs, generally related to groundwater modeling and/or sampling reviews. Shannon has undergraduate degrees in Environmental Geosciences and Geology and a MS in Geology and certificates in Geographic Information Systems and Environmental Risk Assessment.

Laura Trozzolo, TRC Companies (LTrozzolo@trccompanies.com)
Laura Trozzolo leads TRC's Risk-Based Modeling / Risk Assessment Practice for TRC. In this role, Laura provides technical and regulatory oversight for a multitude of TRC projects and leads the company's Risk Assessment Center of Research and Expertise (CORE) team, while supporting professional development of TRC's risk assessment staff. Laura has been with TRC for 10 years as a senior risk assessor in TRC's Fort Collins, Colorado office. She has 29 years of experience in human health risk assessment and risk management services for a multitude of sites, including US military installments, active/former refineries, and rail yards. She also serves as a technical specialist on fate and transport issues for TRC, including vapor intrusion, soil migration to groundwater, and groundwater lateral transport pathways, in addition to human health risk assessment services, including project/data management, and regulatory compliance for emerging contaminants, including PFAS.

Moderator:

ITRC Training Program (itrc@itrcweb.org)

• These materials will be available by Thursday, December 5, 2024

Webinar Slides and References:

• These materials will be available by Thursday, December 5, 2024

Additional Resources:

• LNAPL Site Management: LCSM Evolution, Decision Process, and Remedial Technologies (LNAPL-3)
• Fundamentals of Screening, Investigation, and Management (PVI-1)
• TPH Risk Evaluation at Petroleum-Contaminated Sites (TPHRisk-1)
• Effective Application of ITRC Guidance Documents (Hyd-1) Training

The feedback form for this webinar will be available starting on Thursday, December 5, 2024.

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