Geosyntec News and Events

Lelio Mejia, Ph.D. (California) will present a paper on "Earthquake-induced Cracking of Embankment Dams" at the 87th Annual Meeting and Symposium of the International Commission on Large Dams (ICOLD) at the Shaw Center in Ottawa, Canada from June 9-14, 2019. As the U.S. Delegate on the ICOLD Committee on Seismic Aspects of Dam Design, Lelio will also presenta on the "Performance of Dams During the 2018 M 7.1 Anchorage, Alaska Earthquake." Lelio is a Senior…
Chase Holton, Ph.D., P.E. (Colorado) coauthored a paper entitled "Influence of Fluctuating Groundwater Table on Volatile Organic Chemical Emission Flux at a Dissolved Chlorinated‐Solvent Plume Site" published in the journal Groundwater Monitoring and Remediation (GWMR) on pages 43-52 in Volume 39, Issue 2 on March 5, 2018. Chase's coauthors were Yuanming Guo, Hong Luo, Paul Dahlen, and Paul C. Johnson. Chase has over eight years of experience in environmental research and consulting, with expertise and…
Todd McAlary, Ph.D., P.Eng., P.G., Paul Nicholson (Ontario), Alicia Revezzo (Michigan), Wayne Amber, Ph.D., (Michigan), and Rob Ferree, CPG (Michigan) will be participating at the 9th Annual Environmental Risk Management Workshop on Hazardous Substances in Soil, Groundwater, and Vapors: The New Turning Point at the Ralph A. MacMullen (RAM) Conference Center in Roscommon, Michigan on June 11-12, 2019. The technical workshop is hosted by American Institute of Professional Geologists (AIPG) Michigan Section and Geosyntec is…
Tapashree Tah (Indiana) and Andrea Siefers, P.E. (North Carolina) coauthored a paper entitled "AERMOD (American Meteorological Society/Environmental Protection Agency Regulatory Model) Modeling for Health Impact Assessment of Dimethyl Mercury" that was presented at the Guideline on Air Quality Models: Planning Ahead Conference from March 19-21, 2019. Their coauthors were Geosyntec staff members: Grant Walter (Georgia); Chris Saranko, Ph.D. (Georgia); and Kate Graf, P.E. (Pennsylvania). Tapashree is a Professional based in Indiana focused on air permitting,…
Shira Colsky, P.E., Jared Eubanks, P.E., Antonio Sanchez, P.E. (Georgia), and Jessie Fears (Tennessee) presented on water distribution and stormwater management at the Georgia Association of Water Professionals (GAWP) Spring Conference & Expo at the Columbus Trade Center in Columbus, Georgia on April 23-24, 2019. Shira is a Process and Remedial Design Engineer based in Georgia with experience in the fields of environmental, civil, and chemical engineering. Her focus areas include project management, modeling water…
Michael Kavanaugh, Ph.D., P.E., BCEE (California) presented "The Legacy Site Cleanup Challenge: Getting to Closure" as the G.V. Loganathan Distinguished Lecture Series at Virginia Tech's Quillen Family Auditorium in Blacksburg, Virginia on May 3, 2019. Mike is a Senior Principal Environmental Engineer based in California with more than 35 years of consulting experience focused on the areas of water quality, water treatment, and groundwater remediation. He has served a highly diverse group of private and…
Roneet Das and Patricia Varela, Ph.D. (Texas) presented their paper entitled "The Effect of Bayesian Updating in Hazard Assessment of Submarine Slides" at the Offshore Technology Conference 2019 (OTC-2019) in Houston, Texas on May 6 - 9, 2019. Patricia serves as the Chair and Roneet serves as the Secretary of the Young Professional sub-committee of the Society of Underwater Technology, which was the invited professional organization for OTC-2019. Roneet is a Senior Staff Professional based…
Heather Rectanus (Maryland) coauthored a paper entitled "Use of Omic Tools to Assess Methyl Tert-Butyl Ether (MTBE) Degradation in Groundwater" that was published in the Journal of Hazardous Materials on May 6, 2019. Her coauthors were Katarzyna H. Kucharzyk, Craig M. Bartling, Steve Rosansky, Angela Minard-Smith, Larry A. Mullins, and Kenda Neil. Heather is a Senior Engineer based in Maryland with more than 12 years of experience focused on contaminated site assessment and cleanup, and…
Wade Burcham, P.E., LEED AP (Alabama), Robert Dunn (Georgia), and Alessandra Braswell, Ph.D., P.E. (North Carolina) will lead sessions at the American Ecological Engineering Society (AEES) 2019 Annual Meeting in Asheville, North Carolina on June 3-6, 2019. Meet with Wade, Robert, and Alessandra at the Geosyntec Booth. Wade is a Principal Water Resources Engineer based in Alabama with more than 21 years of professional experience focused on natural stream stabilization, water resources engineering, stormwater management,…
Geosyntec professionals will be making technical contributions at the 2019 Real Property Institute of Canada (RPIC) Federal Contaminated Sites Regional Workshop taking place at the Halifax Convention Centre in Halifax, Nova Scotia on June 4-5, 2019. Additionally, Geosyntec is a workshop partner and an event sponsor. The theme of the workshop is PFAS and Other Emerging Contaminants – The Science and Beyond. Geosyntec contributions include five technical presentations, a poster, and participation on the main…
Brandon Klenzendorf, Ph.D., P.E., CPESC (Texas) was recently interviewed by CBS Austin to provide public information on aging dams in Texas following the collapse of the Dunlap Lake dam on May 14, 2019. Brandon explained the threat that aging dams pose to the public in Texas, noting the Dunlap Dam was more than 90 years old when it collapsed, which is almost double the life expectancy of a dam. Brandon reported the high percentage of…
Marc Rogoff, Ph.D. (Florida) coauthored an article entitled "It's the Changing Dynamics for Recycling in the United States" that was published in EM Magazine's March 2019 issue. Marc was the lead author, and his coauthors were Geosyntec's Jeremy Morris Ph.D., P.E. (Maryland) and Bill Gaffigan (Georgia). Marc is a Senior Consultant based in Florida with more than 38 years of experience focused on solid waste management, waste collection studies, facility feasibility assessments, and facility site…
Gary Wealthall, Ph.D. (United Kingdom) has been appointed to the Technology and Research Group (TRG) of Contaminated Land: Applications in Real Environments (CL:AIRE). Dr. Wealthall is a Senior Principal based in the UK with more than 25 years of experience focused on contaminant hydrogeology research and practice. He advises regulatory authorities and clients in the chemical, waste disposal, land development, and insurance industries. Dr. Wealthall is the Managing Director of Geosyntec's consulting business in the…
Jill Cooper (Colorado) will participate on a water panel entitled "One Trillion Dollars for America's Water Infrastructure: How & What For?" at Columbia University starting at 9:00 a.m. on May 23, 2019. Jill is a Senior Principal based in Colorado with more than 26 years of experience focused on environmental compliance, sustainability, pollution prevention practices, and management systems development for clients in government, academia, mining, oil, natural gas, food, agriculture, and manufacturing industries. The America's…
Chase Holton, Ph.D., P.E. and David Folkes, P.E. (Colorado) coauthored a paper entitled "Subsurface (Vapor) Intrusion in the Hazard Ranking System" published by the American Bar Association Section on Environment, Energy, and Resources on May 9, 2019. Chase is a Senior Environmental Engineer based in Colorado with a focus in contaminant fate and transport, including evaluation and mitigation of the vapor intrusion pathway. His past research work under the Department of Defense's Strategic Environmental Research…
Heather Rectanus, Ph.D., P.E. (Maryland) will present on the Interstate Technology and Regulatory Council's (ITRC) updated strategies for assessing and remediating DNAPL-contaminated sites at Integrated DNAPL Site Strategies: An ITRC Training Program at the Kauffman Foundation Conference Center in Kansas City, Missouri from 10 a.m. to 3 p.m. on May 20, 2019. Heather's co-presenters are David Scheer, P.G., Minnesota Pollution Control Agency and Ryan Wymore, P.E., CDM Smith. Heather has more than 12 years of…
John Boyer (North Carolina) recently joined Geosyntec Consultants in its groundwater practice as a Senior Consultant. Prior to joining Geosyntec, John served for 30 years as an environmental scientist with the New Jersey Department of Environmental Protection (NJDEP). While with NJDEP, John served as principal in the development of a vapor intrusion policy for the agency. He co-authored "NJDEP Vapor Intrusion Technical Guidance" in 2005 and all subsequent editions through 2018. John was also responsible…
Camille Collett (California) coauthored a paper entitled "The Timing and Style of Oblique Deformation Within New Zealand's Kaikōura Ranges and Marlborough Fault System Based on Low‐Temperature Thermochronology" published in the journal Tectonics on March 5, 2019. Camille is a Staff Professional based in California focused on environmental consulting and remediation. After earning her Master's Degree in Tectonic Geomorphology, she was awarded the position of Yosemite National Park Guest Scientist, where she worked closely with park…
Todd McAlary, Ph.D., P.Eng., P.G. (Ontario), Justin Knight, P.E. (Georgia), and Theresa Gabris, P.G. (Washington, D.C.) will present at the 2019 Department of Defense Environmental Monitoring & Data Quality (EMDQ)Workshop in Orlando, Florida on May 13-16, 2019. Todd is a Senior Principal Engineer based in Ontario with more than 30 years of international consulting experience focused on the evaluation of contaminant fate and transport in soil and groundwater. Justin is a Senior Engineer based in…
Alex McKenzie-Johnson, P.G., L.G., L.E.G (Texas) will chair and participate in a panel for the “Geohazard Workshop: Opportunities and Challenges for Pipeline Geohazard Management” at the Pipeline Research Council International (PRCI) meeting at the Marriott St. Louis Grand in Missouri from 3:00 p.m. to 6:00 p.m. on May 13, 2019. Alex is a Principal Engineering Geologist based in Texas with more than 17 years of professional experience focused on geohazard assessment and management for oil…
Haley Schneider, Ph.D. (California) coauthored a paper entitled "Estimation of Interstitial Velocity Using a Direct Drive High-Resolution Passive Profiler" published in the journal Groundwater on February 27, 2019. Haley is a Senior Staff Engineer based in California focused on the development of an innovative passive groundwater sampling technology in conjunction with the evaluation of existing profiling tools for the delineation of microbial communities, biogeochemical conditions, chlorinated volatile organic compounds (cVOC) concentrations, and groundwater velocity in…
Geosyntec professionals will make substantial technical contributions to the World of Coal Ash (WOCA) 2019 at the Union Station Hotel in St. Louis, Missouri on May 13-16, 2019. Geosyntec contributions include leading one short course, moderating five sessions, and delivering 13 presentations. Geosyntec professionals will be at booth #10 to meet with attendees and answer questions about coal combustion residuals. WOCA is an international conference organized by the American Coal Ash Association (ACAA) and the…
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Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

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