Rob Neal, PE, (North Carolina) and Heath Hansell, PE, (South Carolina) will present at the Gulf of Mexico Conference (GOMCON) at the Tampa Convention Center in Tampa, Florida, from February 19 through 22. Heath will present “Resilient Waterfronts: Coastal Risk and Adaptation Design Approaches,” on February 20 at 2:30 p.m. EDT. Rob will present “South Siesta Key Beach Repair; The Strength of Effective Communication“ on February 21, 2024, at 11:45 a.m. EDT. Rob is a…
Travis Kline, MEM, BCES (Maine) coauthored the paper, “Range of the perfluorooctanoate (PFOA) safe dose for human health: An international collaboration,” in Regulatory Toxicology and Pharmacology. The paper was named ‘Best Paper of the Year’ by the Society of Toxicology’s (SOT) Regulatory and Safety Evaluation Specialty Section (RSESS). The RSESS will announce the award at the upcoming SOT meeting on Tuesday, March 12, 2024, in Salt Lake City, Utah. His coauthors were Lyle D. Burgoon…
Courtney Abshire and Scott Walker (Texas) and Toni Taylor and Cody Luebbering (Missouri) coauthored the white paper “Unlocking Insights: Geosyntec’s Expertise Shines in Freshwater Mussel Surveys Across the Eastern United States.” Courtney is a Project Ecologist with more than 10 years of biological survey and permitting experience including planning, implementing and supporting environmental evaluations for aquatic impacts. He regularly performs aquatic habitat and species-specific surveys for state and federal listed species, wetland delineations, biological monitoring,…
Jamey Rosen, PGeo, will present “Dam Construction Data Management in USACE” at the Federal Emergency Management Agency (FEMA) Emergency Management Institute (EMI) National Dam Safety Program Technical Seminar. The presentation will take place on February 13, 2024, in Emmetsburg, Maryland, at 10:10 a.m. EST. Jamey is a Senior Principal Geoscientist with more than 25 years of experience focused on Geospatial Information Management System design and development. Jamey has built systems to validate, manage, analyze, and…
Gradient, a premier environmental and health risk sciences consulting firm with offices in Massachusetts, Washington, and Virginia, has joined the Geosyntec family of companies. This new partnership will expand Geosyntec's services in risk sciences and enhance our collective abilities to bring robust and trusted scientific analyses to bear on diverse and challenging environmental, health, and safety issues. Gradient is renowned for scientific excellence, systematic study of data, and independent perspective. For more than 35 years,…
How much PFOS (perfluorooctane sulfonate) does it take to be toxic to people and animals? Scientists and regulators are racing to better understand and measure the toxicity of PFOS, one of the most common chemicals that falls under the larger category of PFAS (per- and polyfluoroalkyl substances). To do this, they are turning to a small, striped fish in the minnow family. Highly sensitive to pollutants, zebrafish rank first among fish and fourth overall in…
As Geosyntec celebrates its 40th anniversary, we mark a decade of serving Alaska. From site characterization and remediation to vapor intrusion and solid waste management, we are partners in protecting the health of Alaska’s environment and communities. Below, we speak with the founders of our Anchorage office, Ben Martich and Olga Stewart, to reflect on their journey, discuss what’s different about working in Alaska, and share their vision for the future. About the Speakers Ben…
How can risk assessments save money and the environment? A conversation with Marianne Batchelder, Geosyntec Alaska’s newest ecological and human health risk assessor Scientist Marianne Batchelder recently joined Geosyntec’s Anchorage office. Marianne is one of the few Alaska-based risk assessors working in the state who focuses on ecological and human health risk assessments. In February, she will be presenting “Risk Assessment Versus the Supersack—Who Wins?” on February 6 at Alaska Forum on the Environment. Below,…
Adam Roder, PE, PG, recently joined Geosyntec as a Principal Engineer and Geologist and will be based in the company’s Milwaukee, Wisconsin, office. Adam brings more than 25 years of experience focused on site investigations; corrective actions for soil, groundwater, and vapor intrusion; and brownfield redevelopment. With the addition of Adam, Geosyntec gains expert technical and management skills, particularly as relates to brownfields, vapor intrusion, and emerging contaminants. In addition, clients turn to him for…
Geosyntec practitioners Sean O’Donnell, PE, PhD; Livingstone Dumenu, PhD, EI; Scott Graves, PE, and Yovanna Cortes Di Lena, PE, PhD, will speak at the 2024 Global Waste Management Symposium, which will be held February 25 through 28 in Indian Wells, California. In addition to the speakers, many Geosyntec practitioners will be in attendance. Geosyntec is a silver-level sponsor of the symposium. Sean is a Geotechnical Engineer focused on geotechnical design, analysis, and monitoring of waste…
Ravi Arulanantham, PhD, and Nicole Gotberg, PG, (California) coauthored “Groundwater Plume Characteristics at Small Chlorinated-Solvent Release Sites in California” published in Environmental Forensics in December 2023. Ravi and Nicole’s coauthors are Yug Rong and Mital Desai of the Los Angeles Regional Water Quality Control Board and Paul Hadley formerly of the California Department of Toxic Substances Control. Ravi is a Senior Principal Toxicologist with over 30 years of experience in risk assessment and remediation management.…
Neal Durant (Washington, DC) and Dimin Fan (California) coauthored “Immobilizing arsenic in contaminated anoxic aquifer sediment using sulfidated and uncoated zero-valent iron (ZVI)” in The Journal of Hazardous Materials. Neil and Dimin’s coauthors were Thiago Augusto Formentini, Geert Cornelis, Jon Petter Gustafsson, Kathrin Leicht and Dan B. Kleja (Department of Soil and Environment, Swedish University of Agricultural Sciences), Charlotta Tiberg (Swedish Geotechnical Institute), and Britta Planer-Friedrich (Environmental Geochemistry Group, Bayreuth Center for Ecology and Environmental…
Geosyntec will exhibit and present at the Americas Energy Summit and Exhibition in New Orleans, Louisiana, from January 16 to 19, 2024. Chris Adkison (California) will present during the Carbon Capture, Utilization & Storage session. The presentation, coauthored by Eryn Torres (California), will address surface and near-surface monitoring tools used at carbon capture and sequestration projects and will delve into how their use satisfies California Air Resources Board requirements. The talk will explore how these…
Yiding Zhang (California) coauthored “An Iterative Method of Modeling Pump-Treat-Inject System with ‘Partial Treatment’” in the journal, Groundwater. The article presents an innovative approach to simulating the injection concentration of chemicals in a pump-treat-inject system, during 'partial treatment' scenarios. Yiding’s coauthors were Jim Zhang (AECOM), Franklin W. Schwartz (the Ohio State University), and Massoud Karimi (Geoenviroshearch). Yiding Zhang is a Senior Staff Professional who focuses on hydrogeology, water resources, numerical and analytical modeling, data visualization,…
Sarah Miles, PhD, Sandra Dworatzek (Ontario), and Ron Gestler (California) coauthored a chapter titled “Bioremediation of Petroleum Hydrocarbons in the Subsurface” in the book, Advances in the Characterisation and Remediation of Sites Contaminated with Petroleum Hydrocarbons, published by Springer. Sarah is a Senior Staff Scientist who specializes in the bioremediation and micoremediation of contaminated sites, particularly those affected by chlorinated hydrocarbons, petroleum hydrocarbons, oils sands, and mine tailings. While completing her PhD at the University…
Rishab Mahajan, PE, CFM, Matthew Bardol, PE, CFM, CPESC, D.WRE, Dennis Dreher, (Illinois) and Adrienne Nemura, PE (Ohio), not pictured, honorably accepted the Fox River Study Group Appreciation Award. The Fox River Study Group (FRSG) Board commended Geosyntec’s work during the FRSG Annual Meeting on November 9, 2023, for its contributions in guiding the region toward a cleaner, safer, and more beautiful Fox River. Released in 2015, the Fox River Implementation Plan (FRIP) provides a…
Andrew Holmes, PhD, and Aaron Bleasdale-Pollowy (Ontario) coauthored the book, Passive Treatment for Mine Drainage, A Guide for Early Researchers, published by Springer. Andrew and Aaron's coauthors were Casandra Chidiac and Frank Gu, both of the University of Toronto. Andrew works in the process engineering group, developing technologies in the field of environmental remediation; his work focuses on the design of novel materials and systems, including treatment systems to remove selenium from water impacted by…
Emmanuel Olisa, PhD, (Saskatchewan) coauthored “A systematic investigation of single solute, binary and ternary PFAS transport in water-saturated soil using batch and 1-dimensional column studies: Focus on mixture effects.” The article will be published in the January 2024 edition of The Journal of Hazardous Materials. Emmanuel’s coauthors are Anthony C. Umeh, Ravi Naidu, Yanju Liu, Fangjie Qi, and Dawit Bekele from the Global Center for Environmental Remediation. Emmanuel is a Senior Staff Professional who often…
Travis Kline, MES, BCES, (Washington, DC) will present the webinar, “PFAS Inhalation Exposure Assessment: Occupational Exposures, Vapor Intrusion and Toxicological Data Gaps” at the 2023 Great Lakes PFAS Summit on Wednesday, December 6, 2023, at 10:10 a.m. EST. Travis is a Senior Principal Toxicologist based in Washington, DC, with more than 25 years of experience focused on human health risk assessment and applied toxicology. A board-certified environmental toxicologist, Travis has experience in litigation support, developing…
Travis Kline, MEM, BCES, (Washington, DC) is serving as one of the panel experts in the “PFAS Litigation and Dispute Resolution Webinar Series” presented by the American Bar Association from October 23 through November 30, 2023. Travis Kline is a Senior Principal Toxicologist based in Washington, D.C. with more than 25 years of experience focused on human health risk assessment and applied toxicology. A board-certified environmental toxicologist, Travis has experience in litigation support, developing novel…
Spencer Washburn, PhD, (Minnesota) coauthored “Environmental forensics approach to source investigation in a mercury contaminated river: Insights from mercury stable isotopes,” in the January 2024 edition of The Journal of Hazardous Materials. Spencer’s coauthors were Young Gwang Kim and Sae Yun Kwon from Pohang University of Science and Technology, Yongseok Hong from Korea University Sejong Campus, Seung Hee Han from Gwangju Institute of Science and Technology, and Mikyung Lee and Ji Hyoung Park from the…
Spencer Washburn, PhD, (Minnesota) coauthored “Reconsidering mercury sources and exposure pathways to bivalves: Insights from mercury stable isotopes,” which was published in Water Research on November 6, 2023. Spencer’s coauthors were Young Gwang Kim, Sae Yun Kwon, Ji Won Yoon, and Lucien Besnard from Pohang University of Science and Technology and Scott C. Brooks from the Oak Ridge National Laboratory. Spencer is a Scientist who focuses on the surface water biochemistry and environmental isotope geochemistry.…
Priya Iyengar, PE, Maria Vishnevskiy, PE, (Kansas), and Matt Bardol, PE, CFM, CPESC, DWRE, (Illinois) will speak at the Governor’s Water Conference at the Hilton Garden Inn in Manhattan, Kansas, on November 15 and 16, 2023. Priya and Matt will present “An Assessment of Lake Springfield Dam and Lake Water Quality” on Thursday, November 16 at 8:00 a.m. EST. Maria will present “Approaches to Groundwater and Fate and Transport Modeling to Incorporate Climate Change and…
Geosyntec’s Rachel Zajac-Fay (Florida), Elizabeth Nichols (Florida), Wendy Hovel, PhD, (California), and Kaylin McDermett, PhD, (Pennsylvania) will speak at the Society of Environmental Toxicology and Chemistry (SETAC) North American Annual Meeting November 12 through 16, 2023, in Louisville, Kentucky. Zach Pandelides, PhD; Jason Conder, PhD; Marianne Batchelder; Jean Zodrow, PhD; Hasti Ziaei, PhD; and Rachel Zajac-Fay will present posters. Geosyntec practitioners will be speaking on a variety of topics including PFAS aquatic food web models…
Lelio Mejia, PhD, PE, GE, (California) authored a chapter titled “Dams on Active Faults,” in the book, Earthquake Engineering for Dams and Reservoirs, edited by Jonathan Hinks. Lelio addresses engineering design for dams built across potentially active faults, where future movement is possible, and discusses associated risks. The book, published by the British Institution of Civil Engineers (ICE) and Emerald Publishing, is a comprehensive resource for professionals and students involved in the inspection and design…
Brandon Steets, PE, QISP, ToR, and Megan Otto, PE, QSP/QSD, (California) coauthored “Sediment Recontamination Potential and Biological Impacts of Hydrophobic Organics from Stormwater in a Mixed-Use Watershed” in the January 2024 issue of Science of the Total Environment. Brandon and Megan’s coauthors were Tariq Hussain, Dimitrios Athanasiou, Balaji Rao, Michelle Bejar, Magdalena Rakowska, Ilektra Drygiannaki, D. Bart Chadwick, Marienne A. Colvin, Nickolas T. Hayman, Gunther H. Rosen, Robert Pitt, and Danny D. Reible. Brandon is…
Geosyntec condenses 16 Purdue University studies into easy-to-reference PFAS screening levels for environmental managers How much PFAS does it take to be toxic to people and animals? Over the past six years, the United States Department of Defense’s Strategic Environmental Research Development Program funded a study by a research team at Purdue University to get closer to that answer. To do this, the Purdue team evaluated the ecotoxicological effects of PFAS on amphibians at sites…
Learn about our wide range of water and wastewater services. See the team list of speakers and discussion leaders on important water and wastewater topics. Speakers and Discussion Leaders Shira Colsky, PE Discussion Leader: T4: Good to the Last Drop: Water Reuse in Action Tuesday, November 14, 2023 Email Shira: This email address is being protected from spambots. You need JavaScript enabled to view it. Kevin Dufresne, PEng Kevin Dufresne (geosyntec.com) Discussion Leader: IWC 23-37: From Bench to Field: Foam Fractionation and Electrochemical Oxidation Performance on Source Zone and…
Jared Ervin, PhD, (California) and Brandon Steets, PE, (California) coauthored "Modeled and measured SARS-CoV-2 virus in septic tank systems for wastewater surveillance" in the September 2023 edition of Journal of Water and Health. The study was funded by the Water Research Foundation Project 5093, which is led by Dr. Chenyang “Sunny” Jiang, Professor and Chair of the Department of Civil and Environmental Engineering, University of California, Irvine. Coauthors included Dong Li, Hunter Quon, Sunny Jiang,…
Megan Bender, PE, CFM, (Wisconsin) will present “Unconventional Case Studies in Floodplain Mapping” at the Wisconsin Association for Floodplain, Stormwater, and Coastal Management (WAFSCM) Conference at the KI Convention Center in Green Bay, Wisconsin, on Wednesday, November 1, 2023, at 1:00 p.m. CST. Megan is a Senior Water Resources Engineer with more than 15 years of experience in consulting and the public sector. This includes working as a water resources engineer for the Environmental Planning…
Ken Yass, PE, CHMM, and Anna Bradley (Wisconsin) will present on the Emergency Planning and Community Right to Know Act (EPCRA) at the Federation of Environmental Technologists (FET) Annual Conference and Exhibition in Waukesha, Wisconsin, on Thursday, November 2, 2023, at 3:00 p.m. CDT. Ken and Anna will be covering notification and reporting requirements under 302, 303, 304, 311, 312 and 313 of EPCRA (aka SARA Title III) and will address emerging hazardous materials. They…
Rodolfo Sancio, PhD, PE, D.GE (Texas), is presenting on geohazards off the US coasts for the Offshore Site Investigation and Geotechnics (OSIG) Committee of the Society for Underwater Technology in the US (SUT-US) workshop on November 2, 2023, at 9:40 a.m. CDT. Rodolfo is a Senior Principal Geotechnical Engineer with more than 20 years of experience focused on geohazard management (including identification, characterization, and mitigation of geohazards), geotechnical site investigations, site development and ground improvement…
Geosyntec practitioners will present three papers and three posters at the Tailings and Mine Waste 2023 Conference at the JW Marriott Parq Hotel in Vancouver, British Columbia, from Sunday, November 5 through Wednesday, November 8, 2023. Karen Béchard, Kristin Salzsauler, Matthew Gore, and Ali Nasseri-Moghaddam will present sessions, and Larissa Smith, Sarah Miles, and Aaron Bleasdale-Pollowy will present posters. Practitioners in attendance will be Karen Béchard, Aaron Bleasdale-Pollowy, Matthew Gore, Anna Goto, Andrew Holmes, Henning…