Geosyntec News and Events

Aaron Poresky (Oregon) co-authored an article entitled "Smarter Stormwater Systems" in the Environmental Science & Technology Journal on May 26, 2016. Other co-authors included individuals from Clean Water Services, OptiRTC, University of Michigan, University of Toledo, Emnet, and Michigan Aerospace Corporation. The lead author was Dr. Branko Kerkez of the University of Michigan Real-Time Water Systems Lab. The article discusses recent advances in implementing Smart Stormwater Systems to improve the performance of stormwater management systems…
Brandon Klenzendorf (Texas) was named the 2016 Texas Outstanding Young Engineer of the Year by the Texas Society of Professional Engineers (TSPE) at the 2016 Professional Engineers Conference in Dallas, Texas on June 24, 2016. The award recognizes a young TSPE member who has made outstanding contributions to the engineering profession and the community. For the last four years, Brandon chaired the American Society of Civil Engineers (ASCE) Austin Branch University of Texas Mentoring Committee.…
Yuval Cohen (New York) presented at IDB/MIF PPP Americas 2016 Conference in Santiago, Chile on June 20-22, 2016. His session was on The Challenges of Financing Urban Infrastructure in Latin American Countries (LACs): The Role of PPPs. The session, entitled, "Scaling Down – Advancing PPP Micro-Projects in Regional Latin American Cities," demonstrated that properly structured PPPs, featuring performance payment mechanisms and contingent guarantees to cover shortfalls, are an effective means of delivering solutions where the…
Dan Elliott (New Jersey) co-authored an article entitled "Remediation of Hexachlorocyclohexanes by Electrochemically Activated Persulfates" in the Environmental Science and Pollution Research Journal, Volume 23, Issue 1, pages 765-773, January 2016. According to the article, the hexachlorocyclohexanes (HCH) are a family of formerly widely-used classical organochlorine pesticides that are persistent in the environment, capable of undergoing long-range transport, and that tend to bioaccumulate in human and animal tissue. Their widespread global utilization, coupled with a…
Zita Yu (California) has expanded Geosyntec's graywater practice capability in an article where she and her co-authors consider the performance and economic feasibility of residential bathroom graywater treatment. The research results were recently published in a paper entitled "Performance and Economic Evaluation of a Semibatch Vertical-Flow Wetland for Onsite Residential Bathroom Graywater Treatment." The paper was published in Journal - American Water Works Association, Volume 107, Number 7, July Issue 2016. Journal is published by…
Geosyntec delivered twelve presentations and taught two courses at the Air & Waste Management Association's (A&WMA) Annual Conference and Exhibition at the Hyatt Regency in New Orleans, Louisiana on June 20-23, 2016. They had twelve different staff members participate in the conference. Geosyntec also had an exhibit for follow-up and so the attendees could meet their staff. They showcased the Air Quality Group's knowledge and expertise at the conference by focusing mainly on air quality…
Jeff Roberts (Ontario) and Karen Bechard (Ontario) presented at the Laurentian Society of Environmental Toxicology and Chemistry (SETAC) 21st Annual General Meeting & Conference entitled "Watershed Science Under Multiple Stressors" at the University of Waterloo in Ontario on June 24, 2016. Jeff Roberts introduced the SP3 passive sampler in the presentation entitled "Passive sampling for measuring the availability of hydrophobic organic chemicals: The end-user perspective." Karen Bechard highlighted Geosyntec's knowledge of mercury remediation and the…
Yu Jun Leong (Texas) co-authored an article entitled "Composition and Sources of Particulate Matter Measured near Houston, TX: Anthropogenic-Biogenic Interactions" in Atmosphere Special Issue: Air Quality and Source Apportionment, Volume 7 Issue 73, May 2016. This co-authored article is a result of Yu's collaborative graduate research work at Rice University involving several research institutions as part of the NASA DISCOVER-AQ 2013 field campaign in Houston, TX. Leong's primary role during this field study was leading…
Shagun Bhat (Texas) and Morgan Reed (Texas) from MMI Engineering, a division of Geosyntec, presented a technical paper at the Air & Waste Management Association's 109th Annual Conference & Exhibition entitled "Unmasking the Industrial Renaissance" at New Orleans, Louisiana on Wednesday, June 22, 2016. Shagun and Morgan's topic was on the evaluation of advanced numerical models for regulatory air dispersion modeling, it was entitled "Evaluation of the Use of Computational Fluid Dynamics Models for Regulatory…
Phil Dennis (Ontario) co-authored an article entitled "Identification of Abiotic and Biotic Reductive Dechlorination in a Chlorinated Ethane Plume After Thermal Source Remediation by Means of Isotopic and Molecular Biology Tools" in the Journal of Contaminant Hydrology, Volume 192, September 2016, pages 1-19. The article discusses the application of compound-specific isotopic analysis combined with molecular biology tools to evaluate biogeochemical processes as they relate to aquifers contaminated with chlorinated ethenes. Among other things, the study…
In Spring 2014, a group of volunteers from Geosyntec’s New England Branch began designing an off-grid water supply system for a school in rural Liberia. The project arose through the vision of a group of Liberian refugees who had relocated to Providence, Rhode Island and wanted to build a school near the village they had to leave behind during the Liberian Civil War. The Geosyntec team who worked on the project included Kathy Phillips (now…
Gavin Grant (Toronto) authored and David Major (Ontario), Grant Scholes (Ontario), and Susan Hill (Illinois) co-authored an article entitled "Smoldering Combustion (STAR) for the Treatment of Contaminated Soils: Examining Limitations and Defining Success" in the Remediation Journal Volume 26, Issue 3, Pages 27 – 51, Summer 2016. The article examines the limitations and defines the success of Self-sustaining Treatment for Active Remediation (STAR) smoldering technology across a wide-range of hydrocarbons in a variety of hydrogeologic…
Kwasi Badu-Tweneboah (Florida) and Ramil Mijares (Florida) will deliver a presention entitled “Intensive Management of Dredged Material to Maximize Storage Capacity of a Confined Disposal Facility in Savannah Harbor, Georgia – A Success Story” at the World Dredging Congress & Exhibition (WODCON XXI) at the Hyatt Regency in Miami, Florida at 2:00pm on June 16, 2016. WODCON is the only global event dedicated exclusively to dredging and maritime construction, and provides a unique platform for…
The fact sheet, entitled "Sustainable Long Term Management of Landfills under the Navy's Environmental Restoration Program," was published to the NAVFAC Technology Transfer (T2) Program official list of Fact Sheets and Tech Data Sheets. Jeremy's fact sheet describes how sustainable long-term management (SLM) helps to minimize the lifecycle depletion of energy, material resources, and financial resources. This fact sheet describes SLM strategies that may be suitable for landfills managed under the Environmental Restoration (ER) and…
Saeedreza Hafeznezami (California) published an article entitled "Adsorption and desorption of arsenate on sandy sediments from contaminated and uncontaminated saturated zones: Kinetic and equilibrium modeling" in Environmental Pollution in Volume 215, Pages 290-30, August 2016. The article is based on Saeedreza's research project at University of California, Los Angeles and addresses the application of kinetic and equilibrium models to adsorption of arsenate, As(V), on sediment samples collected from a study site in Maine. Mobility of…
Ravi Mullapudi (Texas) and Yavuz Mentes (Texas) from MMI Engineering, a division of Geosyntec, published a paper entitled "Blast Response Simulation of Reinforced Concrete Panels" in American Concrete Institute (ACI) Special Publication (SP-306). In this Special Publication, they presented their results from where they won first place at an international competition called “Blast Blind Simulation Contest.” The results showed their ability to accurately predict the response of reinforced concrete slabs subjected to specified blast loads…
As in previous years, Geosyntec will make a significant technical contribution to the Tenth International Conference on Remediation of Chlorinated and Recalcitrant Compounds at the Palm Springs Convention Center in Palm Springs, California on May 22-26 2016. The activities of our 26 attendees will include six session chairs, 27 platform presentations, two panel moderators, 21 poster presentations, and a display in booth 405 at the exhibition hall. The conference will provide a robust technical program…
MMI Engineering (MMI), a division of Geosyntec, will present a paper and poster at Hazards 26 in Edinburgh, Scotland on May 24-26, 2016. David Sanderson (England) will present his paper, "Environmental Loads in the North Sea – The Missing Piece in the MAH Jigsaw" which examines work performed to predict the frequency of fixed jacket structure failures for a variety of structural types. The paper addresses what extent Spouge's guidance on quantitative risk assessments (QRA)…
Geosyntec met with the Alternative Restoration Technology Team (ARTT) a Naval Facilities Engineering Command (NAVFAC) chartered workgroup established to promote the use of cost-effective, innovative technologies in the Navy's Installation Restoration (IR) program at Naval Air Station, Jacksonville, Florida. The ARTT fosters partnerships, supports research and technical resources, and encourages participation in NAVFAC-wide efforts. As part of these efforts, Geosyntec employees, and David Gent (USACE ERDC) met with 24 members from ARTT and the Optimization…
Chris Robinson (England) represents MMI Engineering, a division of Geosyntec, while assisting in organizing and will jointly chair the upcoming one-day event "Multiphase CFD Modeling: State-of-the-art applications and challenges" at the Institution of Mechanical Engineers (ImechE), London on May 19, 2016. This one-day event will provide a crucial opportunity to hear how engineers can support the advancement of computational fluid dynamics (CFD) for multi-phase flows. The models dealing with multiphase flows are continuously evolving and…
Yuval Cohen (New York) invited to serve a two-year term on a national steering committee at the Columbia University Water Center. Yuval's particular interest will focus around innovations in financing and project delivery. As a member of the Steering Committee, Yuval will join members from industry, academia, and the government, including a White House representative, since water infrastructure and finance are now national priorities. Steering Committee members help develop solutions to the U.S.'s pressing water…
Mark Hanna (California) is featured in an article entitled "The Flood Keeper" written by Willy Blackmore in the Pacific Standard, Volume 9, Number 3, May/June 2016 Issue. The article highlights Geosyntec's central role in revitalizing the Los Angeles River. It covers different roles that Geosyntec filled including advising Gehry Partners on its master plan, designing Metabolic Studio's water wheel, and preserving its hydrological functions. It describes the issues with flooding from the time of the…
Ushang Desai (Florida) co-authored an article entitled "Associations Between Ultrafine Particles and Co-Pollutant Concentrations in the Tampa Bay Area" in the Journal of Environmental Health, Volume 78.9, pages 14-21, May 2016. Ushang addresses Ultrafine particles (UFPs) are ubiquitous in urban air and have been recognized as a risk to human health. The aim of this study was to measure the relationships among ultrafine particles and other ambient air pollutants and meteorological factors in the Tampa…
Clinton Carlson (Georgia) co-authored an article entitled "Predictive Equations to Quantify the Impact of Spectral Matching on Ground Motion Characteristics" in Earthquake Spectra, Volume 32, Issue 1, pages 125-142, February 2016. Clinton addresses spectral matching, the process of modifying a seed acceleration time history in intensity and frequency content until its acceleration response spectrum matches a target spectrum, is used extensively in practice. Predictive equations that quantify the impact of spectral matching on the peak…
Gary Wealthall (Ontario) co-authored an article entitled "Characterization of chlorinated solvent contamination in limestone using innovative FLUTe® technologies in combination with other methods in a line of evidence approach" in the Journal of Contaminant Hydrology Volume 189, Pages 68-85, June 2016. The article discusses the characterization of chlorinated solvent contamination in limestone bedrock aquifers using innovative FLUTe® technologies in combination with other methods (FACTTM) in a multiple lines of evidence approach. Gary's topic examines how…
Jeremy Morris (Maryland) led a study (as primary investigator) on a recent Environmental Research & Education Foundation (EREF) project and presented his findings in a report entitled "Transitioning from Active to Passive Care at Municipal Landfills: Full-Scale Site Evaluations using the EPCC Methodology" and the EREF published the report documents with a press release on May 2, 2016. The study was to illustrate how the performance-based Evaluation of Post-Closure Care (EPCC) methodology developed by Geosyntec…
Geosyntec is set to attend the Kinder Morgan Supplier Showcase in Houston, Texas at the Hilton Americas on May 10-12, 2016. Kinder Morgan is the largest energy infrastructure company in North America and it is sponsoring a supplier trade fair to comprise key suppliers and Kinder Morgan leaders. The event is by invitation only and is limited to 184 key suppliers. Geosyntec is excited about the showcase and considers Kinder Morgan one of their key…
Jay Thompson (Minnesota) co-authored an article that was published in Environmental Science & Technology. His article was entitled "Measuring and Modeling Organochlorine Pesticide Response to Activated Carbon Amendment in Tidal Sediment Mesocosms" and it addresses activated carbon (AC) sediment amendment for hydrophobic organic contaminants. The article presented the results of an 18-month field mesocosm trial at a site containing dichlorodiphenyltrichloroethane (DDT) and chlordane. Different AC applications were applied and, for the first time, a recently…
Craig Pregnalato (Australia) will be presenting at Ozwater'16 in South Wharf, Australia at the Melbourne Convention and Exhibition Center on May 11, 2016. He will represent MMI Engineering, a division of Geosyntec. His presentation is entitled "Risk-Based Performance Analysis of Final Settling Tanks." Ozwater's theme for this year is "Water: For Livable Communities and Sustainable Industries" and it is anticipated to be one of the world's largest water conference and trade exhibitions. It is run…
Kate Graff (Pennsylvania) co-wrote an article that was published in the American Bar Association (ABA) Air Quality Committee Newsletter in the April issue. Her article was entitled "SO2 Data Requirements Rules" and it addressed the recently published U.S. EPA rule that requires state and local air pollution control agencies to submit information to U.S. EPA to inform attainment determinations for the 2010 SO2 National Ambient Air Quality Standards. The article provides background on the rule…
Geosyntec Consultants
Geosyntec is a specialized 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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