A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
David Alleman is an environmental manager with ALL Consulting. He has a long history of environmental research related to energyproduction in the United States. Alleman's energy and environmental experience includes conventional oil and gas production, as well as water use and water treatment issues related to coal bed natural gas, shale gas, oil shale, processing, and coal. As a research manager with the U.S. Department of Energy, he was previously involved in many of the significant technical and regulatory environmental issues affecting industry during the last 20 years.
William “Bill” M. Alley, Ph.D. is NGWA’s science and technology director. Previous to this position, he served as chief of the Office of Groundwater at the U.S. Geological Survey for almost two decades. During his USGS career, Alley was a hydrologist in the Colorado District’s Surface Water Branch, Systems Analysis Group. He also served as the groundwater coordinator in the National Water Quality Assessment Program and coordinator of the Regional Aquifer System Analysis Program.
Alley has published more than 80 scientific publications and has received numerous honors including the USGS Shoemaker Award for Lifetime Achievement in Communication. He served as the 2012 David Keith Todd Distinguished Lecturer for the Groundwater Resources Association of California and was named Fellow of the Geological Society of America in 2009. Alley has also received the E. Benjamin Nelson Government Service Award of the Groundwater Foundation, the NGWA John Hem Excellence in Science and Engineering Award, and a Meritorious Presidential Rank Award.
A long-time NGWA member and volunteer, Alley has been a director of the NGWA Scientists and Engineers Division, served on various committees and task groups, and cochaired the 2007 NGWA Ground Water Summit.
Alley earned a bachelor’s degree in geological engineering from the Colorado School of Mines, a master’s degree in hydrogeology from Stanford University, and a doctorate in geography and environmental engineering from Johns Hopkins University.
Ramon Aravena, Ph.D., is a research professor in the Department of Earth Sciences, University of Waterloo, with more than 20 years experience in the application of isotope techniques in hydrology.
He has been involved in numerous groundwater studies in Latin America, Canada, and the United States, related to evaluation of groundwater, resources and groundwater protection. Aravena consults as part of the expert pool of the International Atomic Energy Agency, Vienna, Austria, for their projects worldwide.
His current research focuses on groundwater contamination caused by agricultural and industrial activities. Aravena has been a member of the Waterloo Centre for Groundwater Research, a worldwide recognized center of excellence in groundwater studies. His teaching involves isotope hydrology and geochemistry courses in the Department of Earth Sciences at the University of Waterloo and courses on isotope hydrology in Latin America, organized by the International Atomic Energy Agency.
Subhash Aryal, Ph.D., is an assistant professor of biostatistics at the University of North Texas Health Science Center at Fort Worth. His research interests include development of statistical methods for environmental monitoring data, development of statistical methodology for mental health research, and hypothesis testing and sample size determination for hierarchical linear and nonlinear models.
Aryal is coauthor of Statistical Methods for Groundwater Monitoring, second edition, published by Wiley in 2009.
He received his B.S. in mathematics and statistics from the University of South Alabama and his M.S. and Ph.D. in public health from the University of Illinois at Chicago.
Back to the top
Scott Bair, Ph.D., is a professor in the Department of Geological Sciences, Ohio State University, teaching water resources, hydrogeology, hydrogeologic field methods, and numerical modeling.
Bair has a B.A. in geology from the College of Wooster, and an M.S. and Ph.D. in geology, specializing in hydrogeology, from Penn State University. He was the 1991 recipient of the Ohio State University Alumni Distinguished Teaching Award. He was formerly employed at Stone and Webster Engineering, where he performed hydrogeologic investigations at nuclear and coal-burning power plants, and characterized flow regimes at hazardous and proposed radioactive waste sites.
Nina Baird is a faculty member at Carnegie Mellon University in Pittsburgh, Pennsylvania, doing research and teaching about effective buildings and their environmental impact. Her current research focuses on community-scale geothermal heat pump systems. Although Baird expected energy savings to be the big story, hydrogeology and groundwater microbiology became more important for long-term performance, and she is currently working with an NGWA committee in writing Hydrogeologic Guidelines for Large-Scale Geothermal Heat Pump Systems.
Prior to Carnegie Mellon, Baird worked for several years in Washington, D.C., as an environmental health consultant for EPA and OSHA. She has master’s degrees in environmental science and engineering, and sustainable design, and is working on her Ph.D. in building performance and diagnostics.
Michael J. Barcelona, Ph.D., is a professor and former chair of the Chemistry Department at Western Michigan University. He’s an associate editor for Groundwater Monitoring & Remediation®, an NGWA publication, and has also authored or coauthored numerous papers, book chapters, and reports. Barcelona has served as a reviewer and consultant on a wide variety of groundwater- and hazardous waste-related cleanup efforts in the United States, Europe, and the Middle East. He’s a member of the American Chemical Society, the American Geophysical Union, and NGWA. Barcelona has received a number of awards throughout the United States.
Michael J. Barden is senior hydrogeologist with Hydro Geo Chem Inc. in Tucson, Arizona, and has more than 20 years' experience in the environmental industry.
Barden was previously a senior hydrogeologist with the Wisconsin Department of Natural Resources where he was responsible for development of Wisconsin’s soil clean-up regulations, application of Risk-Based Corrective Action approaches, and use of natural attenuation as a remediation option.
He has been active in the development and implementation of policy and guidance for the application of natural attenuation to the cleanup of contaminated soil and groundwater for many years, and he has been involved with evaluating natural attenuation at numerous sites, ranging from fuel hydrocarbon releases to landfills. Barden was cochair of the ASTM task group responsible for developing an ASTM standard guide for remediation by natural attenuation. He also was a member of a National Research Council committee on intrinsic remediation evaluating the scientific basis for natural attenuation as a remedy and he was also a member of the technical review group for the U.S. Army’s development of a protocol for natural attenuation of explosives.
In addition to teaching for NGWA, Barden is also an instructor for numerous training courses.
Liz Battocletti is an associate principal with Bob Lawrence & Associates Inc. (BL&A) in Alexandria, Virginia. She has more than 14 years’ experience in researching and analyzing geothermal applications including power generation, direct use, and heat pumps, both domestically and overseas.Battocletti is currently managing the GHPsRUS Project, a three-year effort to measure the costs and benefits of nationwide geothermal heat pump deployment.Prior to joining BL&A, she helped obtain close to $100 million in U.S. government foreign assistance contracts for a nonprofit organization specializing in agricultural and agribusiness development. Battocletti has a master’s degree in Russian area studies from Georgetown University and she graduated summa cum laude with a bachelor’s degree in international relations from the University of Wisconsin-Milwaukee.
Art Becker, MGWC, CPG, holds drilling licenses in 11 states. He has been employed in the groundwater industry for 38 years and is an NGWA-certified Master Groundwater Contractor, and currently serves on the Board of Directors of the National Ground Water Research and Educational Foundation.
He is chairman of the New Jersey State Well Drillers and Pump Installers Licensing and Examining Advisory Board. Becker is a geology graduate of Rutgers, The State University of New Jersey-New Brunswick, a past president of NGWA and received the 2013 Robert Storm Award.
Joseph E. Becker, PHg, LHg, PG, is the president of Robinson Noble Inc., a Tacoma, Washington, environmental and groundwater consulting firm founded in 1947. With more than 25 years of experience in consulting hydrogeology, he has expertise in groundwater source development, aquifer storage and recovery, water rights consulting, groundwater modeling, regional hydrogeologic definition, and contaminant hydrogeology.
Becker has worked on more than 60 major groundwater production wells, constructed numerous groundwater flow models, and written nearly 40 reports of examination for water rights applications. He plays a prominent role in ASR projects involving both injection wells and land spreading recharge methods, and currently is the lead hydrogeologist for the OASIS program — an ASR project with the goal of annually injecting and recovering 30,000 acre-feet of potable water from a single wellfield.
A registered professional geologist in Idaho and California and a licensed hydrogeologist in Washington, Becker holds a bachelor's degree in geology from the University of Washington and a master's degree in geology from the Texas A&M University, where he was a member of the Center for Tectonophysics. He is also and a peer reviewer for the NGWA journal, Ground Water®.
Brad Benz, Ph.D., teaches technical writing and argumentation courses at the University of Denver, where he is a lecturer in the writing program. A rhetorician and linguist, he received his Ph.D. in English language and rhetoric from the University of Washington.
Dulal K. Bhaumik, Ph.D., is a professor of psychiatry, biostatistics, and bioengineering at the University of Illinois at Chicago. Before joining UIC, he served as a professor of statistics in the Department of Mathematics and Statistics at University of South Alabama.
Bhaumik has conducted research, taught, and published extensively in many areas of statistics. He and Professor Robert D. Gibbons received the American Statistical Association’s W.J. Youden Award in 2002 and 2006 for Interlaboratory Testing in recognition of their contribution to the analysis of interlaboratory calibration experiments. In 2009, one of Bhaumik’s articles received the Outstanding Statistical Application Award from the American Statistical Association.
In 2008, Bhaumik was elected a Fellow of the American Statistical Association for his outstanding contributions to the development of optimal designs; construction of prediction and tolerance limits for environmental data; hypotheses testing for mental health research; development of statistical methodology; and dissemination of software for analyzing functional magnetic resonance imaging data.
His research has been funded by the National Institute of Mental Health. He is a coauthor of the Wiley book Statistical Methods for Groundwater Monitoring, second edition.
Bhaumik received his B.S. in statistics from Calcutta University, his M.S. in statistics from the Indian Statistical Institute, and his Ph.D. in the same field from the University of Maryland.
Nicole Blute, Ph.D., is currently a senior associate with Hazen and Sawyer in Los Angeles, California. She’s been the technical lead and project manager for the City of Glendale, California’s hexavalent chromium removal project for the past five years. Prior to this project, she was a principal environmental engineer with ARCADIS.
Blute develops and leads a wide variety of water quality projects, notably including groundwater contamination treatment projects, technology testing for emerging inorganic and organic contaminants, distribution system water quality projects, and disinfection strategy evaluations.
Mark Borchardt, Ph.D. recently joined the USDA Agricultural Research Service as a research microbiologist in the Environmentally Integrated Dairy Management Research Unit in Marshfield, Wisconsin. He has served on the drinking water, homeland security, and state of the environment committees of the U.S. Environmental Protection Agency Science Advisory Board. He currently serves as an adviser for the Green Tier Program of the Wisconsin Department of Natural Resources.
Paul Bradley, Ph.D., has been a research hydrologist with the USGS since 1988. Much of his research has focused on the biodegradation of petroleum hydrocarbons and chlorinated ethenes in groundwater systems. Bradley was the first researcher to describe the anaerobic oxidation of lightly chlorinated ethenes in groundwater, and surface water sediments.
His current research interests include elucidating degradation pathways for chlorinated ethenes and examining the degradation potential for contaminants of emerging concern, such as pharmaceuticals and hormones in both groundwater and surface water systems.
Bradley received his Ph.D. in physiological ecology from the University of Southern California and his M.S. in ecology/geochemistry from the Georgia Institute of Technology.
Heather Brodie-Brown received a B.S. in Earth sciences from McGill University (Montreal) in 1987 and an M.S. in groundwater resource management from University College, University of London in England, in 1992.
Brodie-Brown has been employed at the Ontario Ministry of Environment in various capacities for the past eight years: regional hydrogeologist, waste site evaluator, senior contaminant hydrogeologist, and team lead — water resources science. Since joining the MOE, she has been involved in various projects, such as:
She provides expert advice and work on the development of environmental standards related to wells, geothermal systems, nutrient management, dead stock, and other issues. Prior to joining the MOE, Brodie-Brown was an environmental consultant involved in designing, project managing, conducting, reporting on, and reviewing numerous water resource protection and hydrogeological investigations. She conducted environmental site assessments and remediation/clean-up programs addressing watershed and multimedia issues. Her consulting experience includes work in the United States, Botswana, and Canada.
Robert Brown is an ESOP attorney with more than 35 years of experience in governance, ERISA, and tax matters. He represents ESOP trustees, ESOP-owned corporations, special board committees, and selling shareholders. Brown has written and spoken extensively about a variety of ESOP topics, including ESOP structure, fiduciary responsibility, repurchase obligation, and governance issues. He’s a professional member of the NCEO, the ESOP Association, and the Ohio Employee Ownership Center. Brown is a founding member of the New York Employee Benefits Conference Inc. (vice president 1980, president 1981-1982, director 1980-1987) and a member of the International Foundation of Employee Benefit Plans. He’s been listed in The Best Lawyers in America (tax law) since 1993, and is a fellow of the American College of Employee Benefits Counsel.
Bill Bryson holds bachelors and master's degrees in geology from Kansas State University. During 36 years as an employee of the State of Kansas, he held various district geologist positions with the Department of Health and Environment (KDHE) and also served as director of KDHE's Division of Oil Field and Environmental Geology. Bryson has also worked as the intergovernmental coordinator for the Kansas Corporation Commission (KCC) and director of the KCC Conservation Division.
He's also been a consultant for Hagler Bailly on USAID projects and wrote oil and gas and environmental regulations for the governments of Kazakhstan and Turkmenistan for the Caspian Sea area. From the mid-'90s to the present time, Bryson has held an appointment with the Kansas Geologic Survey. He served as president of GWPC from 1987-1988 and from 1993-1995. During this time, Bryson served on various EPA workgroups relating to oil and gas regulation for both GWPC and the Interstate Oil and Gas Compact Commission.
Michael E. Campana, Ph.D., is a professor of hydrogeology and water resources management at Oregon State University and former director of its Institute for Water and Watersheds. He formerly directed the Water Resources Program at the University of New Mexico, where he is now emeritus professor of hydrogeology. In addition, Campana was a research hydrologist at the Desert Research Institute and professor at the University of Nevada, Reno.
Frank Chapelle, Ph.D., is a research hydrologist with the USGS in Columbia, South Carolina.
Chapelle's research has focused on how microbial processes affect the chemistry of groundwater in pristine and contaminated groundwater systems. He is the author of the textbook Ground-Water Microbiology and Geochemistry (John Wiley & Sons 2000) and was the 2000 recipient of the Meinzer Award in Hydrogeology given by the Geological Society of America. Chapelle is a graduate of the University of Maryland, and received his Ph.D. from George Washington University.
Tom Christopherson is the program manager for Nebraska's Water Well Standards and Contractors' Licensing Program for the Department of Health and Human Services. A licensed water well drilling and pump installation contractor, he has more than 25 years of hands-on field experience, complemented by his 12 years in water regulation enforcement and inspection. Christopherson participated on the NGWA task force that rewrote the grouting section of the Manual for Well Construction and served as the 2011 NGWREF McEllhiney Lecturer.
Ian Clark, Ph.D., is a professor in the Department of Earth Sciences at the University of Ottawa. He's been teaching courses in groundwater geochemistry and in environmental isotopes in hydrogeology to senior undergraduate and graduate students for more than 15 years, and is director of the G.G. Hatch Isotope Laboratories. He did his graduate studies at the University of Waterloo and at the University of Paris (Orsay) in isotope hydrogeology.
Clark conducts research programs using environmental isotopes in regional and extreme hydrogeological settings, and in contaminated landscapes. His background includes extensive research and applications of isotopes ranging from groundwaters in arid regions to temperate climates. He is a consultant to industry, with current projects involving contaminants in industrial and mine settings, and radioactive waste disposal. He has been involved with the International Atomic Energy Agency in programs to develop methods and teaching of environmental isotopes in hydrology. Clark's textbook Environmental Isotopes in Hydrogeology, coauthored with Peter Fritz, Ph.D., won the Choice Magazine Outstanding Textbook award in 1998, and is in its sixth printing.
Robert "Bob" W. Cleary, Ph.D., is currently a groundwater consultant and an adjunct professor in the groundwater, program at the University of Waterloo.
Considered one of the outstanding teachers in the field, he is a principal lecturer in NGWA's MODFLOW course and Princeton Groundwater's "The Groundwater Pollution and Hydrology Course" and "The Remediation Course."
Cleary has a Ph.D. in chemical engineering. He was a professor of civil engineering at Princeton University and a professor of geosciences at the Institute of Geosciences of the University of Sao Paulo in Sao Paulo, Brazil. His research interests and practical experience include all aspects of groundwater contamination, modeling, site characterization, litigation strategies, and remediation design.
Elizabeth Cohen, Ph.D., a chemical engineer, is currently working as an environmental scientist with ARCADIS in Novi, Michigan. She also recently took on the role of the company’s national technical knowledge leader for tracer testing. Cohen has consulting experience in geochemistry and hydrogeology in Australia and the United States. Her experience with tracers covers use in pristine and natural systems, as well as a tool for characterization of contaminated sites and remediation design. Cohen also has significant experience in the use of both applied (fluorescent dyes, salts, deuterated water, dissolved gas) and environmental (isotopes, geochemical data) tracers both at a field level and during the planning, implementation, and data interpretation phases. Cohen received her Ph.D. in environmental chemistry.
Allen E. Comeskey, CPG, is a consulting hydrogeologist and partner in Smith-Comeskey Ground Water Science. He’s worked for the North Dakota State Water Commission, Earth Data, LBG Inc., and the State of Utah. Comeskey is a professional geologist in the states of Indiana and Pennsylvania, and he holds a B.S. in geology from Bowling Green State University and an M.S., also in geology, from the University of North Dakota.
Janine Commerford, LSP, is currently a principal regulatory strategist at Haley & Aldrich Inc., where she supports industrial, commercial, and institutional clients across the country. She also sits on the Scientific Advisory Board for the AEHS International Conference on Contaminated Soils, Sediments, Water, and Energy.
Commerford has more than 26 years of experience in contaminated waste site cleanup. She served six years as assistant commissioner of the MassDEP Bureau of Waste Site Cleanup where she managed all aspects of Massachusetts’ semiprivatized cleanup program, from vapor intrusion policy development to emergency response, brownfields, and Superfund. She also served as chair of the Massachusetts Licensed Site Professional Board for more than a decade, managing the licensing program for environmental professionals. Prior to her work with MassDEP, Commerford consulted in New Jersey and Massachusetts. She holds bachelor and master’s degrees in Earth and planetary sciences from MIT.
Mark Cornwell, owner of Sustainable Salting Solutions LLC, which he started in 2008, was recently appointed to winter maintenance committees on both the Transportation Research Board and American Public Works Association. Throughout his career, he’s worked with all levels of winter maintenance professionals across North America. Cornwell has served on the Holly Township Planning Commission for 12 years and was elected in November 2012 as a township trustee. Cornwell earned his B.S. in landscape horticulture from Michigan State University in 1980.
Denis Crayon, CHST, president of Experience Safety Institute, began his career working for Aquifer Drilling/Testing in Queens, New York, as an apprentice/driller. He earned a journeyman license drilling for HRS/B&B Drilling in New Jersey and drilled at ADT/Diamond Drilling, also in New Jersey. Crayon moved to Summit Drilling Inc. in Bridgewater, New Jersey, as a driller and became fleet mechanic, purchasing manager, and director of health and safety. Equipment he operated included IR T-3/T-4, Gus Pech, Mobile, CME, and Acker. He received BCSP certification as a CHST in 2010. His credentials include OSHA 10/30 Hour Construction/General Industry Trainer, First Aid/CPR Trainer, and Defensive Driving Instructor. In addition, he provides other health and safety trainings. Crayon currently serves as a director on the NGWA Board of Directors.
Griffin Crosby Jr., CWD/PI, has more than 45 years of experience in the groundwater industry. He serves on NGWA's Professional Designations Oversight Subcommittee and is presidentof the NGWA Board of Directors. He is a
past-president of the Florida Ground Water Association and has served on
the Florida Department of Environmental Protection's Water Well
Bill Deutsch is a senior geochemist at Pacific Northwest National Laboratory operated by Battelle. As a geochemist with research and consulting firms for more than 25 years, his project experience includes environmental assessments and investigations of landfills, refineries, pesticides plants/distributorships, military bases, mines and mills, federal weapons facilities, and a wide variety of additional industrial sites. Additionally, he has participated in remedial designs of sites contaminated with metal, radionuclides, pesticides, solvents, petroleum hydrocarbons, and ordnance compounds.
Deutsch has instructed courses on groundwater geochemistry and geochemical modeling since 1985. He is the author of Groundwater Geochemistry, published by CRC Press. Heholds a B.S. and an M.S. in geological sciences from the University of Washington, Seattle.
W. Zachary Dicksonhas more than 20 years of professional experience related to defining and understanding geologic and hydrogeologic systems, and defining and remediating environmental impacts. He has extensive field and project management experience, and his expertise has been applied to a wide array of environmental impacts. Dickson has completed numerous natural attenuation evaluations, and has developed and implemented sampling and analysis plans specifically designed to evaluate the efficacy of natural attenuation processes. Prior to starting Dickson & Associates, Dickson was a senior hydrogeologist with a multinational engineering company. He has collaborated on several papers and guidance documents on the topic of natural attenuation.
Craig Divine, Ph.D., is a principal hydrogeologist with ARCADIS in Highlands Ranch, Colorado, with 15 years of experience in hydrogeology and hydrogeochemistry. His particular expertise is in the design and analysis of applied tracer tests. He’s also considered a technical expert within the company and, until recently, served as ARCADIS’ national technical knowledge leader for tracer testing. Divine has chaired topical sessions at national conferences, given numerous presentations, and written peer-reviewed journal articles regarding tracer testing methods and applications. He has designed and reviewed hundreds of tracer studies to support site characterization and remediation system design and operation and has led the development of numerous innovations in tracer technology and application.
Lawra J. Dodge, PG, LSRP, is founder and president of Excel Environmental Resources Inc., a full-service environmental engineering and consulting firm located in North Brunswick, New Jersey. With 28 years experience as an environmental geologist and consultant, she is an expert in soil and groundwater investigation and characterization, remedial action alternative evaluation/selection, remedial action design and implementation, construction management, and redevelopment. Dodge works closely with both public and private sector clients enabling them to successfully navigate through the intricacies of the contaminated property and brownfield remediation and redevelopment process.
Dodge recently completed the first year of her three-year term on the Site Remediation Professional Licensing Board for the New Jersey LSRP Program. She also serves on the steering committee of several Brownfield Development Areas in New Jersey; the board of directors of PlanSmart New Jersey, a statewide smart growth planning organization; the redevelopment team of several municipalities; and the environmental committees of several professional organizations.
Shiloh Dorganis a physical scientist at the U.S. Army Geospatial Center, Army Corps of Engineers. Her main focus is remote sensing. She has both private sector and government experience in the geospatial field, and her primary research interest is paleohydrology. Dorgan received an M.S. in geographic and cartographic sciences from George Mason University. She is a member of NGWA and the Association for Women Geoscientists.
George Dugan, based in Huffman, Texas, has been the Southeast regional manager for CETCO Drilling Products Group for more than 10 years. He has worked in drilling-related industries for more than 34 years, working with drilling fluids, drilling fluid recycling equipment, and liquids/solids separation (dewatering) equipment in a multitude of industries. Dugan has been actively involved in teaching continuing education classes for NGWA as well as for state groundwater associations throughout the United States for more than a decade.Prior to joining CETCO, Dugan spent four years working for a horizontal directional drilling (HDD) equipment manufacturer, providing technical support and training for a multitude of HDD services. He recently earned a B.S. in business with a major in marketing through the University of Phoenix.
James A. Dunst, national training director for Bell Performance Inc., is responsible for all existing and new dealer training. In addition, he provides technical assistance to its dealers on fuel issues, mechanical issues, and engine management systems.
Previously Dunst held positions including that of fleet manager and general manager of operations for Hi-Acres Services in Florida, parts and service director for Central Florida Lincoln Mercury, line technician at several Lincoln Mercury and Ford dealerships, and president of Certified Auto Specialists Inc. in Longwood, Florida. In addition, he's worked for the EPA and the American Automobile Association. Dunst was national manager of the Ford/AAA Student Auto Skills Competition for high school seniors and, during this same time, he also built and managed Ford Motor Company's Ultimate Master Technician Challenge, a nationwide auto repair competition for Ford dealership technicians.
Dunst graduated from Wisconsin Automotive Mechanical Apprenticeship, a three-year program. He's certified by the National Institute for Automotive Service Excellence as an ASE Master Automobile Technician, ASE Master Heavy-Duty Truck Technician, and ASE Master Auto Body & Paint Technician. Dunst is also certified by the Automotive Service Industry Association as an Automotive Hall of Fame Triple Master World-Class Technician.
Sandra M. Eberts, a professional hydrogeologist with the U.S. Geological
Survey for whom she’s worked for more than 25 years, has experience
developing and leading multidisciplinary scientific programs at the
national level. She serves as the USGS representative to the Source
Water Collaborative — 25 national organizations united to protect
America’s sources of drinking water — and also coordinates the USGS
National Water-Quality Assessment Program, Groundwater Modeling &
Mapping Team.In 2013, Eberts coauthored USGS Circular 1385,
Factors Affecting Public-Supply-Well Vulnerability to Contamination:
Understanding Observed Water Quality and Anticipating Future Water
Quality, which summarizes 10 years of work on public-supply-well vulnerability and water quality conducted by more than 30 USGS
scientists.Eberts’ background includes water quality and
quantity assessments ranging from the plume-scale to the principal
aquifer-scale. Her current research interests include providing a
flow-system context for groundwater-quality data. Eberts holds a B.S.
and M.S. in geology from Ohio State University and a certificate in
legislative studies from Georgetown University.
Andrew J. Englande Jr., Ph.D., PE, DEE, currently holds the position of professor, Department of Environmental Health Sciences, Tulane University School of Public Health and Tropical Medicine in New Orleans, Louisiana.
Englande has published more than 150 papers and coauthored one text dealing with water quality management, water and wastewater treatment, sustainable development, contaminant removal by biological and other natural low-cost systems, fate of contaminants in the environment, and hazardous waste management. He has conducted mitigation studies, risk assessment/management evaluations, and technology feasibility studies for both water and wastewater treatment alternatives. He has also conducted training and continuing education activities in Thailand, Malaysia, China, Taiwan, Singapore, and Australia, and has recently directed a solar disinfection research project in Cambodia.
Chair of the Chemical Industries Specialty Group of the International Water Association from 1992-2005, Englande now serves as secretary. His current research includes the use of treated effluent to regenerate wetlands, enhance water quality, and provide storm surge protection. Englande is a Fulbright Scholar and has been selected to the American Academy of Environment Engineers.
Englande obtained his Ph.D. in environmental and water resources engineering from Vanderbilt University, Nashville, Tennessee.
David Evener is the marketing director of NGWA. Prior to taking on that position in July 2010, he served as NGWA’s director of information systems for 13 years. Evener holds a bachelor’s degree in computer information systems from Chapman University, and masters’ degrees in information systems management and business administration from Keller University. He is a member of the American Society of Association Executives and the Ohio Society of Association Executives.
Cynthia Fischer, water system supervisor/production, City of Fresno
(California) DPU Water Division, has more than 32 years of experience in
the water production and operations field with Distribution 4 and
Treatment 4 certifications issued by CDPH. Her background includes
working with the State Water Project, California Aqueduct in Kern
County, California Water Service Co., and California American Water Co.
in Sacramento. Fischer has served Fresno for the last 10 years including
four years as a surface water treatment plant operator. She currently
manages a crew of nine production operators who maintain the city’s 260
production wells. Fischer consults with engineers and contractors for
best practices and results for new well drilling, development, and pump
and well rehabilitations. Well development and redevelopment are her
passion, and she looks for opportunities to network, speak, and listen
to new technologies, techniques, and practices.
John Foster, Ph.D., PG, CEG, is a full-time faculty member with the Department of Geological Sciences, California State University, Fullerton. He is currently working on studies supported by a multiyear contract with the Mojave Water Agency in San Bernardino County, California. Foster's principle research interest is the geology of desert basin aquifer systems and the hydrogeologic conditions that lead to sustainability. His current investigations include stratigraphic and sedimentologic studies of exposed rock sections, well logs, and ongoing well drilling operations by the agency in order to understand and predict groundwater supply, recharge, and movement in the individual basins and between basins.
Foster was the chair of the Department of Geological Sciences, California State University, Fullerton, for nine years. During that time, he guided the department's growth from a program of 180 students and nine faculty members to its present position of 300 students and more than 16 on faculty, and he helped develop a graduate program that now has more than 20 students. Foster and a colleague also established collaboration with a start-up company that lead to a significant contribution toward a new Xray diffraction machine for the department.
Prior to being chair, he was involved in the field program and instigated the introduction of new Global Positioning Satellite and geographic information systems technology to the field program. New program and research interests of his incorporate this technology and give the students who participate in his research an added advantage.
Tyler E. Gass, PG, PHg, is a prinipal and chief hydrogeologist with Integral Consulting Inc. He has more than 40 years of experience broadly ranging from the evaluation and design of village water supply in developing countries to major municipal groundwater supply systems in the United States. Gass has worked at numerous hazardous waste sites across the United States, where he has performed subsurface site characterization and contaminant assessments, and designed and implemented groundwater and soil remediation programs.
As a former director of research for NGWA, Gass testified before several congressional committees and made presentations to a variety of state legislative bodies encouraging the development of rational regulations to protect groundwater quality from solid and hazardous waste disposal.
He was appointed to the Army Science Advisory Board in 1994 and served three terms until 2000. During that time, Gass was the primary author of a white paper addressing the performance of groundwater remediation systems at Army installations throughout the United States, and he was the chairman of the Infrastructure and Environment Committee from 1998 to 2000.
Stephen P. Gasteyer, Ph.D., is an assistant professor of sociology at Michigan State University. His research focuses on rural community change looking at leadership, decision-making, and management capacity around land, water, and development sectors. Specifically, his research looks at the dynamic social networks and systems involved in water and wastewater infrastructure systems both in the United States and overseas, and the processes and systems around land management, and economic and agricultural development.
Gasteyer previously served on the faculty at the University of Illinois, as research and policy director at the Rural Community Assistance Partnership in Washington, D.C., as a research consultant on issues of global water governance, as a Peace Corps volunteer, and as a UNAIS project worker. He received his B.A. from Earlham College, and his M.S. in rural sociology and his Ph.D. in sociology from Iowa State University.
Gary Michael Gin, RG, is the hydrogeologist for the city of Phoenix and
is currently working on implementing and managing its first aquifer
storage and recovery wellfield. During his career, he has been
involved in designing and installing water supply wells, siting recharge
facilities, assessing geochemical and water quality impacts related to
recharge and pumping operations, interpreting geophysical surveys,
and implementing chemical and mechanical methodologies for well
rehabilitation projects. Gin is focused on developing and managing water
resource programs, analyzing utility economics, advocating water
policies related to recharge, and optimizing ASR wellfield
operations. He received his bachelor’s degree (with distinction) in
geologic sciences from Sonoma State University in California and earned
his master’s degree in geological sciences from the University of
Nevada, Las Vegas.
Gin was part of team that received the 2013 Outstanding Groundwater Supply Project Award.
William E. Glassley, Ph.D., is the executive director of the California Geothermal Energy Collaborative at the University of California, Davis, Energy Institute, and holds an emeritus researcher position at Aarhus University, Denmark. Glassley has more than 35 years’ experience in the analysis, modeling, and evaluation of geological processes that drive geothermal systems and the evolution of continents. He earned his B.A. at the University of California, San Diego, and his M.S. and Ph.D. from the University of Washington. He was awarded a G. Unger Vetlesen Foundation Fellowship for post-doctoral research at the University of Oslo.
Laine Glisson Oliver,senior public policy adviserwith Baker, Donelson, Bearman, Caldwell & Berkowitz PC,has counseled members of Congress, mayors, executives, and nonprofit associations for more than 15 years in Washington, D.C. She spent five years on Capitol Hill with Senator John Breaux (D-Louisiana) where she served as a press secretary handling issues related to the Senate Finance Committee, Commerce Committee, and others.
Marvin F. Glotfelty, RG, cofounder and principal hydrogelogist with Clear Creek Associates, a groundwater consulting firm with offices in Arizona, California, and Virginia, is a licensed well driller in Arizona and has served as the technical director of the Arizona Water Well Association since 1990. He is a registered geologist in Arizona and California.
During his professional career, spanning nearly three decades, Glotfelty has participated in almost every aspect of the hydrogeologic sciences including recharge projects, water supply studies, water rights issues, groundwater quality, well installation programs, and well rehabilitation projects. He's been involved with the design, installation, rehabilitation, or abandonment of more than 800 water wells in the southwestern United States.
Glotfelty has given more than 100 presentations on hydrogeologic and water well topics in 17 U.S. states and five other countries — Australia, Bolivia, Canada, Colombia, and Mexico. He's authored more than 20 publications, served as a senior editor for the Illustrated Glossary of Driller's Terms published by NGWA Press in 2003, and provided editorial review for a chapter in the third edition of Groundwater & Wells published by Johnson Screens in 2008. In 1995, Glotfelty received the City of Phoenix Mayor's Environmental Award for his work with rehabilitation of municipal wells to improve their water quality, and, in 2012, Glotfelty served as the NGWREF McEllhiney Lecturer. Glotfelty holds bachelor's and master's degrees in geology from Northern Arizona University.
David P. Gold, Ph.D., (B.S., M.S. geology, University of Natal, South Africa; Ph.D. geology, McGill University, Montreal) has conducted detailed geologic and structural mapping in Canada, Africa, and the United States, and has taught courses in photogeology, remote sensing, and structural geology at Penn State University since 1968.
Gold also served on the MLA-MRS Advisory Group (NASA) on remote sensing and space technology in the 1980s. Gold has written and presented many papers involving the use of remote sensing for natural resources and environmental problems and investigations, with emphasis on lineament and fracture relationships and geologic and structural mapping, and authored chapters on the applications of remote sensing to structural geology in both the Manual of Remote Sensing and Remote Sensing in Geology texts.
Daniel Gomes is a principal hydrogeologist with Schlumberger Water Services. Prior to this position, he was the general manager of Waterloo Hydrogeologic Inc., a leading company in the development and application of advanced software tools for groundwater management, modeling, and remediation.
Gomes has more than 25 years of experience in groundwater resource evaluation and environmental site assessment, and he specializes in applying groundwater numerical models and advanced software to a variety of geological settings. He was involved as project manager in a number of large groundwater supply and modeling projects, environmental assessments, mine dewatering, and soil and groundwater remediation projects.
Fluent in English, Portuguese, and Spanish, Gomes has extensive international experience, both as a consultant as well as in technology transfer seminars. He’s worked in 17 countries in North America, South America, Europe, and Asia.
Gomes is the main instructor for NGWA’s MODFLOW course. He holds a B.S. and M.S. from the University of São Paulo, Brazil, where he studied with Dr. Robert "Bob" W. Cleary.
Robert Gray, PG, is a senior hydrogeologist with Daniel B. Stephens
& Associates Inc. He has more than 35 years of professional
experience in the mining, environmental, and water resource
development industries including wellfield and well design, water
resource and well impact studies, site instrumentation, and groundwater
flow modeling. Gray has conducted numerous hydrogeologic research and
characterization studies at sites throughout the southwestern United
States for tribal, government, and private clients. He recently
designed and managed construction of two new wellfields with a total
production capacity of more than 50 million gallons per day for large
municipal clients in Texas. Gray has an M.S. in Earth and planetary
sciences with a hydrogeology specialty and a B.A. in geology.
Gray was part of a team that received the 2011 Outstanding Groundwater Supply Project Award.
Weixing Guo, Ph.D., principal modeler at Schlumberger Water Services, has more than 20 years of experience in developing and applying numerical models for groundwater flow and solute transport simulations in complex settings. He previously worked for the U.S. Geological Survey, CDM, and Missimer Groundwater Sciences, and he’s a coauthor of the SEAWAT code, a modified version of MODFLOW and MT3D developed for density dependent simulations.
A world expert in saltwater intrusion problems, Guo provides expertise to saltwater intrusion modeling and brackish groundwater projects worldwide. He also has extensive training experience, having lectured several short courses with the USGS, U.S. Agency for International Development, Schlumberger, South Florida Water Management District, China, Spain, Jordan, Brazil, and a few countries in the Middle East. Guo holds a Ph.D. degree from Pennsylvania State University.
Patrick E. Haas, president and principal scientist at P.E. Haas & Associates LLC, has hands-on experience collecting, analyzing, and evaluating groundwater natural attenuation geochemical parameters, passive diffusion sampler data, soil gas data, vertical profiling data, and performance monitoring data for a wide variety of remediation technologies. His experience includes start-to-site-closure involvement in the project management, design, installation, operation, and maintenance of bioventing systems, soil vapor extraction systems, conventional and vacuum-enhanced LNAPL free product recovery systems, dual phase extraction systems, and air and gas sparging systems.
Haas served on the National Research Council Remediation at Navy Facilities Committee and ASTM Remediation by Natural Attenuation Task Group. He is a coauthor of the U.S. EPA Technical Protocol for Evaluating Natural Attenuation of Chlorinated Solvents in Ground Water and the AFCEE (Air Force Center for Environmental Excellence) Test Plan and Technical Protocol for LNAPL Free Product Recovery (Haas worked as an environmental engineer for nine years in the Technology Transfer Division of AFCEE).
In addition to serving as a course instructor for NGWA, Haas has also taught courses for the U.S. EPA, Canadian Pacific Railroad, Alaska Department of Environmental Conservation, National Coalition for the Remediation of Dry Cleaners, and the U.S. Air Force.
Don Hanson, RG, a principal hydrogeologist with Clear Creek Associates in its Scottsdale, Arizona, office, is a registered geologist in Arizona and Wyoming. During his 30 years in the groundwater consulting business, he's managed the design, installation, and testing of more than 40 high-capacity public supply and aquifer-storage-and-recovery wells. Hanson has authored nearly 20 technical presentations on groundwater development, water supply wells, well rehabilitation, groundwater recharge, and water resources planning. He holds a bachelor's degree in geology from Northern Arizona University.
Harvard, director of business development for NGWA, has more than 30 years’ experience in the groundwater industry. Before working for the Association, he was employed as a groundwater contractor specializing in public water supply, its source development and design, and the operation and maintenance of both the resource and the equipment. During his career, Harvard also served on the NGWA Board of Directors, as well as various Association committees. He holds a B.S. from Georgia Southwestern State University.
Miln Harvey, Ph.D., PE, is a senior hydrogeologist with Schlumberger Water Services and the manager of the Training Division. He is a specialist in finite difference and finite element groundwater modeling using MODFLOW and FEFLOW, as well as the integration of GIS data for groundwater model development and the visualization of model results.
Harvey has more than 18 years experience as a hydrogeologist and environmental engineer, of which the past 10 years have been spent at Schlumberger Water Services developing groundwater models to assess regional groundwater protection strategies through WHPA delineation and groundwater contamination impacts through fate and transport modeling.
During this period, he has delivered more than 80 professional groundwater short courses in North America and abroad. The courses have included open enrollment courses for groundwater flow and contaminant transport modeling using Visual MODFLOW and FEFLOW, GIS data management and analysis, aquifer performance test analysis, groundwater modeling for mining applications and water quality data management and modeling, as well as specialized on-site custom courses using a variety of software tailored to specific client training needs.
S. Majid Hassanizadeh, Ph.D., has been a professor of hydrogeology on the faculty of geosciences at Utrecht University since 2004 and is the senior adviser with the Soil and Groundwater Department of Deltares research institute. He earned his B.Sc. from Pahlavi University in Iran, and his M.E. and Ph.D. from Princeton University; all three degrees are in civil engineering. Hassanizadeh has worked at Abadan Institute of Technology and Yekom Consulting Engineers, both in Iran, and the National Institute of Public Health and Environment and Delft University of Technology in the Netherlands, the latter of which named him an Antoni van Leeuwenhoek professor in 2001-2003. He has also held visiting faculty positions at the University of Notre Dame; University of Bordeaux, France; EPF Lausanne, Switzerland; and Stuttgart University, Germany.Hassanizadeh served as editor of Advances in Water Resources (1991-2001) and associate editor of both Vadose Zone Journal (2002-2009) and Water Resources Research (2004-2009). He is a member of the International Advisory Board of the Journal of Hydrologic Engineering (since 2004), and on the editorial boards of Transport in Porous Media (since 1989), Journal of Porous Media Special (since 2009), Topics & Reviews in Porous Media (since 2010), and The Open Hydrology Journal and The Open Civil Engineering Journal (the latter two since 2007). In addition, Hassanizadeh is active as a session organizer or a member of various committees for the Netherlands Royal Academy of Arts and Sciences, the Netherlands Organization for Scientific Research, American Geophysical Union, Soil Science Society of America, European Geophysical Union, and the International Association of Hydrological Sciences. He is a founding member and managing director of the International Society for Porous Media (InterPore). Hassanizadeh has published close to 200 times in journals, books, conference proceedings, and technical reports. He’s cosupervised more than 35 graduate students, coorganized a large number of international conferences, workshops, and short courses, and he’s given more than 50 invited/keynote lectures in international meetings. He is a Fellow of both the American Geophysical Union (2002) and American Association for Advancement of Science (2007). He was awarded the honorary degree of Doktor-Ingenieur from Stuttgart University in 2008 and received the von Humboldt prize in 2010. Hassanizadeh also served as the 2012 NGWREF Darcy Lecturer.Hassanizadeh’s research focuses on flow and transport in porous media through theory development, experimental studies, and modeling work. His current research includes pore-network modeling and experimental studies of two-phase flow, pore-network modeling of adsorbing solutes in unsaturated soil, transport of colloids and microorganisms in variably saturated soil, and novel remediation methods for NAPL-polluted soils.
J. Michael “Mike” Hawthorne, PG, REM, is a principal with H2A Environmental Ltd. and has worked at refining, gathering, pipeline, bulk storage, and retail petroleum release sites across the United States. He has more than 24 years of experience in the characterization and remediation of sites impacted with light non-aqueous phase liquids (LNAPLs) and other contaminants.
Hawthorne is a frequent presenter on LNAPL science topics at technical conferences including those hosted by Battelle, AEHS, IPEC, and others.
In 2011, he founded Applied NAPL Science Review (ANSR), a technical e-journal dedicated to publication of current NAPL science topics written in plain English that may be readily applied by a wide cross-section of professionals in the environmental industry. With the support of a highly recognized technical review board, Hawthorne edits and publishes ANSR, which is freely distributed around the world (with readers from more than 70 countries including all 50 of the United States of America).
Ken Heard is the chief of Water Operations for Water Production, City of
Fresno (California) Water Division. Having begun in the utilities field
20 years ago as a water and wastewater treatment operator, he currently
oversees the operations of the city’s 260-plus groundwater wells, two
surface water treatment facilities, the water quality section,
electricians, telemetry technicians, and distributed control
Vic Heilweil, Ph.D., is a research hydrogeologist with the U.S. Geological Survey in Salt Lake City, Utah, where he serves as the Water Science Center’s groundwater expert. He is also an adjunct professor at the University of Utah. Heilweil has 25 years of experience in groundwater investigations and his current research is focused on both natural and managed aquifer recharge to permeable bedrock in arid settings of the western United States and abroad. Specialties include applying both dissolved gas and isotopic tracers, along with multiphase modeling, for evaluating infiltration processes and groundwater residence times.
Heilweil is a member of NGWA and the Geological Society of America, and he is currently serving as president of the International Association of Hydrogeologists United States National Chapter. Heilweil received his M.E. and Ph.D. fromt the University of Utah.
Rainer H. Helmig, Ph.D., is head of the Department of Hydromechanics and
Modelling of Hydrosystems at the Institute for Modelling Hydraulic and
Environmental Systems, University of Stuttgart, Germany. His
research covers fundamental research and applied science in the field of
porous-media flow. A major focus is on developing methods for coupling
hydrosystem compartments and complex flow and transport processes. This
is based on simulation methods and techniques for describing single-
and multiphase, multicomponent flow and transport processes in the
subsurface, i.e., in porous and fractured-porous media.Helmig's
research covers fundamental research and applied science in the field
of porous-media flow. A major focus is on developing methods for
coupling hydrosystem compartments and complex flow and transport
processes. This is based on simulation methods and techniques for
describing single- and multi-phase, multi-component flow and transport
processes in the subsurface, i.e. in porous and fractured-porous
media. The fields of application for these modelling concepts cover a
wide range from subsurface applications (e.g. NAPL-contaminated soils,
CO2 storage, hydraulic fracturing) to technical problems (e.g. water
management in PEM fuel cells).
Jack Henrich, MGWC, CVCLD, is licensed in four states. Henrich is a past president of NGWA, a member of the International Ground Source Heat Pump Association's advisory council, an IGSHPA Accredited Installer, and an Association of Energy Engineers-certified GeoExchange Designer. His firm, Bergerson-Caswell, is among the Midwest's busiest geothermal contracting firms.
Wayne Hesch is the product champion for Visual MODFLOW at Schlumberger Water Services. He has a B.S. from the University of Waterloo and completed the Environmental Engineering Program at Conestoga College.
As product champion, Hesch serves as the interface between the clients and the development team to ensure that the products that are developed meet or exceed clients' expectations. He has more than five years software development experience, and has also acted as course instructor for Visual MODFLOW and AquaChem.
Mary C. Hill, Ph.D., is a senior research hydrologist at the U.S. Geological Survey in Boulder, Colorado. Hill’s modeling experience includes groundwater flow and advective transport, saltwater intrusion, groundwater supply, stream interaction, regional groundwater flow and transport, and rainfall runoff.
Hill has been teaching semester and short courses for the past 32 years. She’s the author of the computer software MODFLOWP, the popular PCG2 solver for MODFLOW, and is the coauthor of the software UCODE, MODFLOW-2000, OPR-PPR, and MMA. Hill has written articles on the numerical methods of solvers and nonlinear regression, confidence intervals, and calibration methodology.
Her present focus is on identifying the best sensitivity analysis, parameter estimation, uncertainty analysis, and risk assessment tools for the situation; advantages and disadvantages of computationally frugal methods that take tens to hundreds of model runs to computationally demanding methods that take tens of thousands to millions of model runs; and the role of robust models.
Hill was the 2001 NGWREF Darcy Lecturer and received NGWA’s M. King Hubbert Award in 2005. She is also the 2000 recipient of the Walter L. Huber Research Prize, presented by the American Society of Civil Engineers. She holds a B.A. in geology from Hope College in Holland, Michigan, and an M.S.E. and Ph.D. in civil engineering from Princeton University.
Juli Beth “JB” Hinds has 19 years of professional experience in strategic planning and policy development at local, regional, and statewide levels, with special expertise in water resource management and public communications. With Tetra Tech, she is working with clients and the U.S. EPA in New England, southern California, and the Great Lakes Region on developing zoning and land use regulations, watershed management and TMDL implementation plans, and stormwater and integrated water resource programs.
Hinds’ focus in several projects is the interaction of land use regulations with water resource management and regulation, particularly enabling implementation of low impact development —or LID — and green infrastructure techniques through municipal zoning and development review. She has developed and managed implementation of watershed restoration plans, stormwater utilities, and wastewater management programs for municipal, county, and regional agencies. Hinds was instrumental in the development of Vermont’s landmark stormwater statutes, trading credit program, and retrofit feasibility standards.
In addition, she has created and led many innovative workshops, training sessions, and presentations focused on helping different agencies, professionals, and interests work together on challenging water resource and land use issues, ranging from homeowner association responsibility for stormwater systems to complex statewide policy and legislative development.
Hinds holds a B.A. in economics from Hollins University in Virginia, and a Master of City and Regional Planning degree from Rutgers University.
There are currently no instructors with the last name starting with "I."
John Jansen, Ph.D., PG, RGp, is a senior associate and hydrogeologist for Leggette, Brashears & Graham Inc. and works on a wide variety of groundwater projects around the country, specializing in high-capacity wells and groundwater resource management. He holds three U.S. patents on water well-related technologies and is the lead author of the chapter on borehole geophysics in the third edition of Groundwater & Wells, published in 2008.
Alan Jeffrey, Ph.D., is the senior geochemist at DPRA/Zymax Forensics in Escondido, California. He received his Ph.D. in chemical oceanography from Texas A&M University for research using stable isotope ratios to determine the origin of natural gas. He also holds an M.S. in organic chemistry from Queen’s University in Canada. Jeffrey has more than 20 years of international environmental experience.
In the United States, he’s managed research and investigation projects with an emphasis on soil, soil vapor, and groundwater contamination, especially by petroleum hydrocarbons. A significant portion of Jeffrey’s work at DPRA/Zymax Forensics is focused on the use of forensic techniques to identify contaminant sources, dating the age of a contaminant release and to allocate financial responsibility among potentially responsible parties, especially in cases dealing with chlorinated solvents and petroleum hydrocarbon releases into the environment. He has also examined geochemical techniques used to identify and allocate responsibility for fugitive methane seeps.
Jeffrey is a recognized international authority in the field of petroleum hydrocarbon characterization and is often retained as an expert witness to provide forensic testimony on this subject.
Paul Jehn, technical director with the Ground Water Protection Council, has 30 years experience in environmental assessment, policy/program development, evaluation, remediation, pollution prevention, and management. His current duties include management of the development of the Risk Based Data Management System of computer applications.
Jehn's responsibilities include the technical (computer and scientific) aspects of project development, budget management, reporting, grant writing, consultant oversight, conducting meetings of the RBDMS Steering Committee, and working with states and industry on applications needs.
Theresa Jehn-Dellaport received a B.S. in geology from the University of Dayton in 1981 and her M.S. from Wright State University in 1985 with an emphasis in hydrogeology. She has more than 24 years experience working as a hydrogeologist for diverse water resource projects.
Jehn-Dellaport is a principal water consultant working for a Denver-based consulting firm. She specializes in Colorado water rights issues that address both surface water and groundwater, and has managed numerous projects involving massive data collection activities with multidisciplinary teams for surface water and groundwater projects in diverse hydrogeologic settings.
Charles Job serves as chief of the Infrastructure Branch, Drinking Water Protection Division, Office of Ground Water and Drinking Water, Environmental Protection Agency. In this capacity, he sets direction on the financing of water systems, the maintenance of national information systems, regulatory implementation training, data analysis, and communications.
Additionally, he serves on the Subcommittee on Ground Water of the Federal Advisory Committee on Water Information that has an objective of proposing a national groundwater monitoring network. Job has an M.E. in water resources from Miami University and an M.A. in applied economics from the University of Michigan.
Raymond H. Johnson, Ph.D., is a hydrogeologist with the U.S. Geological Survey Crustal Geophysics and Geochemistry Science Center in Denver, Colorado. He received an M.Sc. in Earth sciences from the University of Waterloo, Waterloo, Ontario, Canada, in 1993 after working on metal fate and transport at an abandoned mine tailings site in Sudbury, Ontario. Johnson worked in consulting for approximately four years doing monitoring and remedial activities related to organic contaminants. He received a Ph.D. in geological engineering from the Colorado School of Mines, Golden, Colorado, in 2003 after modeling the multiphase flow behavior of DNAPL spills, which were calibrated using ground-penetrating radar data. He joined the USGS as a Mendenhall Postdoctoral Fellow in 2003 doing applied research on groundwater flow and geochemistry of abandoned mine sites near Silverton, Colorado.
Johnson's expertise and continuing research is in contaminant hydrogeology, with an emphasis on reaction geochemistry and transport of metals in groundwater around areas with mining. He cotaught the one-week internal USGS PHREEQC workshop with David Parkhurst (primary PHREEQC author) and Pierre Glynn (USGS geochemist) in March 2011.
David Kaminski is senior vice president at QED Environmental Systems Inc., a leading manufacturer of dedicated and portable groundwater sampling equipment, air-powered landfill leachate pumps, landfill gas flow control products, and air stripper treatment systems for leachate and contaminated waters. Since joining QED in 1984, he has been involved in the development of new products for groundwater monitoring and landfill applications, and has been awarded three U.S. patents for new devices and methods used for low-flow groundwater sampling.
Kaminski has authored journal papers and conference presentations on groundwater sampling practices, landfill and remediation pumping system design, and pump selection and maintenance. He has also presented at hundreds of seminars, workshops, and short courses for industry organizations, universities, and regulatory agencies throughout the United States, Canada, Europe, South America, Asia, and Australia.
In 2009, Kaminski became an instructor with the Princeton Groundwater Pollution Hydrology Course, lecturing on site characterization, monitoring well design and construction, and well purging and sampling methodologies. He is a member of ASTM International and was chairman of ASTM’s Ground Water Sample Collection committee from 1990 through 2008, during which time he coauthored several new ASTM groundwater sampling standards. Kaminksi is also a member of the Solid Waste Association of North America, the International Solid Waste Association, NGWA, and the California Groundwater Resources Association.
Joshua Katz, a well claims specialist with the Maine Department of Transportation, has investigated and remediated salt-contaminated water supplies for more than two decades. Prior to his work with MaineDOT, he spent two years with an environmental consulting firm. His special areas of interest include surface water/groundwater interaction and transport in fractured media. Katz holds a B.S. in environmental design from the University of Massachusetts and an M.S. in hydrogeology from the University of Nebraska.
Lisa Katz is a business development area manager at Cardno ERI, located in Petaluma, California. She is responsible for maintaining accounts, proposal writing, and client development. Cardno ERI provides high-quality, responsive solutions to environmental concerns such as environmental assessments, environmental field services, remediation services, legal support services, environmental compliance, and lead/asbestos assessments. The company operates throughout the United States and is part of a global network.
Katz previously worked at BESST where she presented educational seminars to municipal engineers, well operators, and water quality specialists on profiling groundwater production wells for flow and water quality. Additionally, Katz worked as a scientist in the field, using BESST’s profiling technologies inside production wells. She joined the groundwater industry in June 2011 and holds a B.A. in conservation and resources studies from the University of California, Berkeley.
Mark Kibble, MCSE, CDPS, is the information technology director of NGWA. He’s been with the Association for more than seven years and has broad experience in all aspects of information technologies and services. He is a member of Microsoft ITAC, American Society of Association Executives, Windstream Advisory Council, and Apple IOS Developers Group.
Laki Kondylas is the strategic development manager for Australia’s National Centre for Groundwater Research and Training. Established in 2009 through $60 million funding from the Australian Research Council and the National Water Commission, the NCGRT brings together nearly 200 Australian and international researchers from 12 universities and 10 industry partners to advance the understanding of Australia's groundwater resources, as well as to train the next generation of groundwater researchers.
Mark Kram, Ph.D., is the founder and CTO for Groundswell Technologies Inc., a group specializing in automated monitoring and project management. He has more than 29 years of experience developing innovative environmental assessment techniques. Kram has taught related graduate level courses, and he has served as a senior hydrogeologist and principal investigator for innovative U.S. DoD projects. In addition, he has authored articles, book chapters, and national standards on the subject, and he received NGWA’s 2011 Technology Award.
Kram has been instrumental in the areas of sensor development and implementation, innovative GIS applications, DNAPL site characterization, expedited site characterization, mass flux based remediation design and assessment, monitoring well design and water sustainability, and holds several patents for hydrogeologic and chemical characterization tools and methods. He earned his Ph.D. in environmental science and management from the University of California, Santa Barbara, where he also obtained his B.S. in chemistry; while he received his M.S. in geology from San Diego State University.
David K. Kreamer, Ph.D., is presently professor of geoscience, and graduate faculty in civil and environmental engineering at the University of Nevada, Las Vegas. He is also a faculty member in the University of Nevada, Reno Hydrologic Science Program, and past director of the interdisciplinary UNLV Water Resources Management Graduate Program.
His undergraduate work was in microbiology and chemistry, with an M.S. and Ph.D. in hydrology and minor in geosciences from the University of Arizona. Past affiliations include assistant professor of civil engineering at Arizona State University. Kreamer has carried out research on many water-related topics, particularly the fate and transport of environmental contaminants, non-aqueous phase liquids, vadose zone hydrology, radioactive waste disposal, groundwater hydrology, landfills, monitoring well design, and water resources management.
Donna Kuntz is an environmental chemist with Geosyntec. An applied chemist specializing in environmental site investigation, characterization, monitoring, and remediation, she focuses on creating solutions and building computer applications to facilitate environmental data management, data validation, and risk assessment. Her recent work includes the construction and management of comprehensive environmental information management systems, the automation of data quality screening processes, and the development of field data input tools.
Kuntz is the developer of DNAPL TEST (Technology Evaluation Screening Tool), an application designed for the U.S. Navy to help select remedial technologies for DNAPL sites. The tool is a relational database that correlates site characteristics to technology performance data. The user can enter their site and DNAPL characteristics into the user-friendly interface of the screening tool and output reports that reduce the uncertainty of estimating and predicting remedial outcomes.
Her most recent development work is on a tool that automatically screens data quality in support of data validation. The tool imports an electronic data deliverable received from the analytical laboratory and screens the data for laboratory QA/QC issues. The tool aids data validation professionals by allowing them to perform routine data screening with “the click of a button” and generates a formatted data quality screening report outlining all quality issues that require review.
James "Jim" E. Landmeyer has been a research hydrologist with the U.S. Geological Survey, South Carolina Water Science Center, in Columbia, South Carolina, since 1990. Landmeyer received his B.S. from Allegheny College in 1989, and his M.S. and Ph.D. from the University of South Carolina in 1991 and 1995, respectively. He has been the author or coauthor of more than 70 peer-reviewed publications and the textbook Phytoremediation of Contaminated Groundwater. His research interests include the interaction between plants, microbes, and pristine and contaminated groundwater and surface water.
W. Richard Laton, Ph.D., PG, CPG, is an expert in the field of hydrology/hydrogeology. He is currently an associate professor of hydrogeology in the Department of Geological Sciences, California State University, Fullerton, which is a continuation of a career that includes years of teaching, consulting, litigation support, and management experience.
Laton possesses extensive knowledge in the areas of hydrogeology, soil and water contamination, hydrology and surface water, wetlands, coastal monitoring/geomorphology, field sampling techniques, and well hydraulics, as well as environmental remote sensing/GIS. His classes at the university encompass topics including water quality, environmental sampling, groundwater modeling, well hydraulics, oceanography, and basic geology. Laton enjoys introducing students to applied research and acts as the faculty advisor to a large number of upper-level students.
During his career, Laton has also acted as a consultant for a variety of companies and agencies that need input on the above subjects as well as natural hazard assessment and mapping.
Heather Lazor is the online communications specialist and social media expert at NGWA. She has extensive knowledge in Web site design, development, and maintenance, and stays up to date with trends and products to best suit the needs of everyone from the average person to large corporations. Lazor has worked with Twitter and Facebook, along with other social media platforms, for more than seven years and is active in the Web community.
Eric Leake, Ph.D., is a lecturer in the writing program at the University of Denver and has been published in Technical Communication Quarterly. Leake earned his Ph.D. in rhetoric and composition from the University of Louisville.
Joe Lee, PG, is chief of the Source Protection Section for the Bureau of Watershed Management in the Department of Environmental Protection for the Commonwealth of Pennsylvania. His present area of work is in the development and management of the Source Water Assessment and Protection Program and the Ground Water Protection Program for which the Commonwealth has primacy under the Safe Drinking Water Act including the Wellhead Protection Program
From its inception in 1988 to 1998, Lee supervised the development and implementation of Pennsylvania's Filter Plant Performance Evaluation Program designed to optimize drinking water treatment plant operations. Prior to entering the Safe Drinking Water Program, he worked for the Bureau of Mining and Reclamation where he evaluated the impacts of coal mining and quarries on surface water and groundwater systems. Lee has served as an officer on the Ground Water Protection Council Board of Directors from 2000 to 2011 and is the current president of GWPC.
David Lipson, Ph.D., has more than 21 years of experience as a contaminant hydrogeologist with particular emphasis on chemical transport, subsurface remediation, and fractured bedrock hydrogeology. He provides technical support on a wide range of groundwater contamination and remediation projects. Lipson is well-versed at using mathematical models, engineering controls, and risk-based corrective action approaches at sites regulated under CERCLA, RCRA, and state-led regulatory programs. He earned his Ph.D. in geological engineering at Colorado School of Mines, his master’s degree in hydrogeology at Syracuse University, and his bachelor’s degree in geology at the State University of New York.
Patrick Longmire, Ph.D., with the DOE Oversight Bureau of the New Mexico Environment Department,is an aqueous geochemist with more than 35 years of experience consisting of site characterization and remediation, experimental and field studies, and reactive transport and geochemical modeling.
Longmire is an internationally recognized expert in environmental geochemistry focusing on metals, radionuclides, stable isotopes, and other chemicals detected in soil and aquifer systems. His experience alsoincludes 21 years at Los Alamos National Laboratory, six years with Roy F. Weston, and three years at the University of New Mexico. During 2011, Longmire spent six months in Fontainebleau, France, at MINES ParisTech conducting reactive transport modeling on aquifer acidification resulting from mining.
He’s authored numerous geochemistry reports and papers, and presented papers at national and international conferences and workshops focusing on environmental geochemistry. Since 1987, Longmire has continuously taught three separate geochemistry short courses, in addition to a geochemical modeling class, for NGWA. He is the sole proprietor of Environmental Geochemistry LLC, an advanced technical company providing geochemical expertise to clients requiring expert knowledge and experience in reactive transport modeling and chemical characterization and remediation of aquifer systems.
Longmire is a member of the American Chemical Society, American Geophysical Union, Geochemical Society, International Geochemical Society, and NGWA.He earned his M.S. and Ph.D. degrees from the University of New Mexico.
Don Lundy, principal hydrogeologist, Environmental Systems & Technologies, a division of Groundwater & Environmental Services Inc., has more than 25 years of consulting experience in LNAPL volume/mobility/recoverability evaluations.Since 1982, Lundy has written and presented numerous technical papers at conferences on topics of LNAPL plume assessments, baildown test and recovery rate analyses, and risk-based LNAPL management approaches. He coauthored the 1989 API guide for LNAPL site assessments and remediation (API Publication 1628) and contributed to the API Interactive LNAPL Guide (2004). He served on ASTM Subcommittee E50 that wrote guidance for developing LNAPL conceptual site models and remediation strategies, published in 2007. He organized and taught workshops at the API/NGWA Petroleum Hydrocarbon Conferences in 2000, 2001, and 2002, and has led three one-day workshops on LNAPL for the Licensed Site Professional Association of Massachusetts. He holds degrees in geology from the Universities of Texas and Wyoming, and is currently in a Ph.D. graduate program at the University of Georgia.
Lawrence J. MacDonnell, J.D., Ph.D., is an attorney and consultant in
Boulder, Colorado, who recently retired from the University of Wyoming
College of Law where he taught water law, public land law, and natural
resources law. Having served as the first director of the Natural
Resources Law Center at the University of Colorado School of Law from
1983 to 1994, between 1995 and 2009 he worked as an attorney and
consultant focusing primarily on water resources and ways to make
natural resource development more environmentally compatible. His
publications include numerous books, law review articles, journal
articles, and research reports. In addition, he has given more than 250
Robert Maliva, Ph.D., principal scientist at Schlumberger Water Services, has more than 20 years of international research and consulting experience in hydrogeology. His primary area of specialization is the development of alternative water supplies including raw water supply and concentrate disposal for brackish water desalination facilities, alternative seawater intakes, and managed aquifer recharge. He has participated in aquifer storage and recovery projects in Florida and the Middle East, and has managed large brackish groundwater wellfield and concentrate disposals projects and alternative seawater intakes in Florida and the Caribbean.
Maliva has held academic positions at Harvard University, the University of Cambridge (England), and the University of Miami. He’s the author of two books and participated as an adviser to the Texas Water Development Board’s Brackish Resources Aquifer Characterization System committee as an external expert. Maliva holds a Ph.D. degree in hydrogeology from Harvard University.
Bruce Manchon is a California and Texas professional geologist with more than 35 years of professional experience in the environmental and petroleum industries, and is currently a hydrogeologist and owner of Janeil Environmental Solutions in Houston, Texas. Previously, he worked for Schlumberger Offshore Wireline Services in Larose, Louisiana.
In his current position, Manchon is responsible for oversight of the technical aspects within the project scope relating to geology and hydrogeology, remediation, and ensuring that the technical objectives of the scope of work are met for a variety of commercial clients. Through his various assignments, Manchon has successfully applied borehole geophysics for stratigraphic interpretation and correlation, contaminant plume definition, Class I hazardous waste injection wells, and production well location design and completion. Other relevant work experience includes detailed borehole geophysical log interpretation, injection well design and construction, well abandonment, subsurface mapping, and stratigraphic analysis.
Manchon has also conducted workshops on geophysical log quality control and effective log quality for remediation and site investigations, and presented papers on derivation of aquifer parameters from borehole geophysical logs. He received a B.A. in geology from the University of Colorado.
Andrew H. Manning, Ph.D., is a research geologist with the U.S. Geological Survey in Denver, Colorado. Having joined the USGS as a Mendenhall Postdoctoral Fellow in 2003, he has since worked on a broad spectrum of projects related to groundwater flow in mountainous terrain, the environmental impacts of mineral deposits, and the role of groundwater in the formation of mineral deposits. His recent research has focused on applying numerical modeling and environmental tracer techniques to better understand groundwater flow and chemical weathering processes in mountain watersheds, and how these may be affected by climate change.
Manning has more than 20 years of experience as a hydrogeologist and geochemist, working in both research and consulting. He’s published numerous journal manuscripts and reports on topics related to mountain hydrogeology and noble gas geochemistry, and is internationally recognized as an expert in these fields. Manning is an associate editor for Hydrogeology Journal, and has conducted several technical sessions and workshops at national meetings. He received both his M.S. with a focus in structural geology and his Ph.D. for research on the application of noble gas tracers in mountain groundwater systems from the University of Utah.
Heather Martin, Ph.D., has taught writing and research at the University
of Denver for more than 12 years in both the English Department and the
University Writing Program. In addition to teaching, she facilitates
writing workshops for students, faculty, and professionals in diverse
fields. Martin received her Ph.D. in English from the University of
Steve Maslansky, PG, CPG, is a principal partner in Maslansky GeoEnvironmental Inc. He has more than 30 years experience in emergency issues, investigation, and remediation related to hazardous waste and hazardous materials issues. He conducts training worldwide for the U.S. Department of Defense, U.S. Environmental Protection Agency, fire departments, and industry, and is a member of FEMA/DOT hazmat curriculum committees. Maslansky received NGWA's 2013 Individual Safety Advocate Award and 2014 Life Member Award.
Kevin McCray, CAE, is the executive chief officer of NGWA. Prior to being named to this position in 1995, he served in a number of other roles with the Association, has written dozens of articles, authored or compiled six books for the groundwater industry, and has made countless presentations.
McCray has also served on a number of water-related advisory groups, including the U.S. Water Resources Export Council, U.S. EPA/AWWA Comprehensive Integrated Resource Cooperative Blue Ribbon Panel, Kellogg Foundation Ground Water Education Consortium, Great Lakes Commission Ground Water Education Roundtable, and Ground Water Remediation Technology Analysis Center Advisory Board.
Tim McDaniel is director of business valuations at Rea & Associates in Columbus, Ohio. A recognized leader, he prides himself on using plain English to teach business owners the value of their most prized asset and how to increase that value. McDaniel’s been involved in more than 2,000 valuation engagements and numerous merger-and-acquisition transactions. He is the author of the recently released book Know and Grow the Value of Your Business: An Owner's Guide to Retiring Rich. McDaniel also consults with family businesses on succession planning issues.
Jennifer McIntosh received a B.A. in geology/chemistry from Whitman College, and an M.S. and Ph.D. in geology from the University of Michigan. She completed a two-year postdoctoral fellowship at Johns Hopkins University before starting as an assistant professor in the Department of Hydrology and Water Resources (HWR) at the University of Arizona (UA). McIntosh is also a joint faculty member in geosciences and an adjunct faculty member of the USGS, as well as an associate editor for Hydrogeology Journal.
McIntosh's areas of expertise are hydrogeochemistry, subsurface biogeochemistry, and isotope hydrology. Current research projects in which she is involved include water and carbon cycling in the critical zone, microbial degradation of organic matter and generation of natural gas in coalbeds and fractured shales, and the impacts of past glaciation on groundwater resources.
She received the USGS STAR Award and the GSA Coal Geology Division Best Paper Award for her research. She also received the UA Women in Science and Engineering Excellence Award and UA Aquaman HWR Award for her mentoring of graduate and undergraduate students.
John McLachlan, Ph.D., Weatherhead Distinguished Professor of Environmental Studies, professor of pharmacology, and director of the Center for Bioenvironmental Research at Tulane University and Xavier University in New Orleans, is a pioneer in the new field of environmental endocrinology and endocrine-disrupting chemicals.
As a research scientist and high-level administrator, he is known throughout the world as an expert on estrogenic mechanisms. His groundbreaking research is related to environmental chemicals that mimic the female hormone, estrogen.He organized the first meeting on environmental estrogens in 1979.
Before coming to Tulane and Xavier in 1995, McLachlan spent the previous two decades at the National Institute of Environmental Health Sciences, where he was named Scientific Director of 1989.In his first five years in New Orleans, McLachlan establishedthe Program in the Environment and Women's Health, formed the nation's first Center in Environmental Astrobiology, and initiated the Mississippi River Interdisciplinary Research Program.
McLachlan's Environmental Endocrinology Laboratory uses cutting-edge techniques to study environmental estrogens, natural, and synthetic chemicals that interact with the estrogen receptor. His scientific findings have been published in more than 160 journal articles, 50 book chapters, andfive books.
He received a B.A. in liberal arts from the Johns Hopkins University and a Ph.D. in pharmacology from George Washington University.
Douglas Meffert, Ph.D., Eugenie Schwartz Professor of River and Coastal Studies, is the deputy director of the Center for Bioenvironmental Research at Tulane University and Xavier University. Meffert holds a clinical associate professorship in environmental health sciences at Tulane.
His professional experience includes water quality and applied ecological consulting throughout the United States for regional, state, and federal government entities; environmental litigation consulting and dispute resolution on numerous Superfund sites throughout the northeastern United States; and program management and congressional/interagency negotiations for several nuclear waste programs at the U.S. Department of Energy headquarters in Washington, D.C.
Meffert's research interests focus on developing new ecosystem-level health indicators related to endocrine-disrupting and other chemicals in aquatic environments and urban and rural coastal adaptation to climate change and disaster recovery. He is an expert on coupling fate and transport of EDCs with ultimate health assessments for humans and wildlife.
Meffert received his B.S. in engineering and M.S. in business administration from Tulane University and a Ph.D. in environmental science and engineering from UCLA.
Meline, PE, owner and principal engineer of Meline Engineering, which she founded in 1995, is recognized as an authority on renewable energy systems, particularly geothermal heat pump systems. She speaks regularly on the topic of sustainable energy systems at industry events and teaches in the Renewable Energy Certificate Program at University of California Davis Extension, the school’s continuing and professional education division.
Meline’s background includes experience with NASA Ames as a facilities engineer and Apple Computer as an engineering manager. She is a LEED-accredited professional, a Certified GeoExchange Designer through the Association of Energy Engineers, and an IGSHPA Accredited Installer. She is chair of ASHRAE TC6.8 Geothermal Heat Pump and Energy Recovery Applications, a cochair of IGSHPA’s Standards Committee, and also holds membership in ASME and GHPC. Meline is an ASME Fellow and a recipient of ASME’s Dedicated Service Award. She earned her B.S. and M.S. in mechanical engineering from California State University, Sacramento. In addition, Meline holds professional engineer licenses in California, Colorado, Nevada, and Utah.
Holly Michael, Ph.D., is an assistant professor in the Departments of Geological Sciences and Civil and Environmental Engineering at the University of Delaware. Her research interests include coastal hydrogeology, groundwater resource management, and geostatistics. Some of Michael’s current projects include investigating groundwater flow into estuaries, modeling groundwater salinization due to climate change, evaluating sustainability of arsenic-safe groundwater in Bangladesh, and application of experimental economics to groundwater resources.
Keith Modesitt has more than 20 years of experience in designing,
developing, and deploying data analytics for the water industry. As a
hydrogeologist, he’s managed all aspects of hydrogeologic
investigations, remediation, and aquifer risk management. Since 1999,
Modesitt has taught the NGWA groundwater data management classes
focusing on data analytics, data quality and risk management. During
that time, he’s also pioneered the use of water data science and big
data analytics to proactively identify water risks globally. Modesitt
holds a B.S. in geology from Eastern Michigan University.
Carlos E. Molano, PE, has 30 years of experience in groundwater engineering and environmental hydrogeology. Cofounder and president of Hidrogeocol
(formerly Hidrogeología Colombiana Ltd.) with headquarters in Colombia,
Ecuador, and Panama, he is also a professor of groundwater flow and
pollution in the Department of Civil and Environmental Engineering at
Los Andes University in Bogota. He is presenting Groundwater Spreadsheets: Efficient and Practical Resource for Solving Simple and Complex Flow, Pollution, and Environmental Problems.
Robert Morrison, Ph.D., has worked for 39 years as an environmental consultant on projects related to soil and groundwater contamination, including site investigations and remediation. He currently specializes in the forensic review and interpretation of scientific data for the purpose of identifying the source and age of a contaminant release.
Morrison is cofounder of the International Society of Environmental Forensics, a society dedicated to the promotion of information on the science of environmental forensics throughout the world. He has published extensively on soil and groundwater contamination topics, and has shared this information via lectures throughout the world.
He’s active on the editorial boards of Ground Water® and Ground Water Monitoring & Remediation®, and is currently editor-in chief of the journal, Environmental Forensics. He’s the author of 15 books on environmental forensics including Introduction to Environmental Forensics, published by Academic Press, and used as a textbook in environmental forensic programs in universities in England and Australia.
Morrison has a B.S. in geology, an M.S. in environmental studies, an M.S. in environmental engineering, and a Ph.D. in soil physics from the University of Wisconsin at Madison.
Brian L. Murphy, Ph.D., trained as a physicist, has more than 30 years of experience in data analysis and mathematical modeling of pollutant fate and transport in various media. He’s the author of more than 30 journal publications, is on the editorial board of the journal, Environmental Forensics, and is coeditor of the Academic Press texts Introduction to Environmental Forensics and Environmental Forensics: Contaminant Specific Guide.
Murphy’s practice focuses on application of environmental forensics methods to assess liability; dose reconstruction for toxic torts; historical reconstruction of contaminating events at former manufactured gas plants; air dispersion modeling, both indoors and outdoors including soil vapor intrusion; and use of risk assessment to set clean-up levels and as a cost-allocation tool. His projects often involve chlorinated solvents such as PCE, TCE, and TCA; gasoline and other petroleum compounds such as benzene and MTBE; dioxins; metals such as lead and arsenic; and a variety of other compounds, including PAHs, PCBs, radiological compounds, pathogenic compounds, nerve gas, and explosives.
Murphy serves as both a testifying and consulting expert in these areas, and his experience also includes formulating challenges to other experts’ testimony.
Rangaramanujam “Ranga” Muthu, Ph.D., is a coauthor/codeveloper of the American Petroleum Institute software and guidance for the calculation of LNAPL transmissivity from LNAPL bail-down tests for unconfined, confined, or perched LNAPL. In addition, he assisted with the development of the ASTM International guidance on estimation of LNAPL transmissivity and LNAPL conceptual site model.
Muthu’s experience includes sites impacted with petroleum hydrocarbons and chlorinated solvents. He’s conducted NAPL nature and extent studies, NAPL mobility and recoverability field investigations and modeling, risk assessment and vapor intrusion analyses, statistical analysis and interpretation of a wide range of environmental data, guidance document development and training for software, and report preparation consistent with state and federal environmental regulations.
Muthu received his B.S. in civil engineering and his Ph.D. in environmental engineering. He’s an active member of ASTM International, the American Society of Civil Engineers, the Texas Association of Environmental Professionals, and the Society of Petroleum Engineers.
Thomas Naymik, Ph.D., received his degree in geology (hydrogeology) from Ohio State University. He is currently a senior consultant with Geosyntec Consultants Inc. in Columbus, Ohio.
Formerly with Battelle Memorial Institute and Pacific Northwest National Laboratory (Washington), Naymik’s projects centered on subsurface characterization and groundwater remediation. Early in his career he was employed at the Illinois State Water Survey and Lawrence Livermore National Laboratory (California), where he conducted research in chemical transport processes and groundwater, supply development.
Naymik is an adjunct professor in the School of Earth Sciences at Ohio State University, and a former adjunct professor in the Department of Geology, University of Illinois.
Richard Neumann is the founder and president of Contract Dewatering Services Inc.
Neumann has been developing and improving groundwater control systems for more than 30 years. He started CDS as a small, local Michigan groundwater contracting company and grew it to one of the largest dewatering providers in the United States offering services for drilling, pump systems, and environmental underground projects.
Mike Nickolaus, PG, is the special projects director for the Ground Water Protection Council. A graduate of Indiana University, he has more than 30 years of geologic experience. Prior to joining the GWPC in 2005, Nickolaus worked for almost 20 years as a regulatory official with the Indiana Division of Oil and Gas where he authored and coauthored numerous state oil and gas regulations, field guides, and operating procedures. He also served as the State Director of Oil and Gas for Indiana from 2002 to 2005.
Daniel Niemela, PG, is a principal with Bishop-Brogden Associates, where he has worked for 11 years. Since 2001, he’s assisted water users with developing and protecting water supplies and water rights in Colorado and the arid West. Niemela also serves as a technical director for the Colorado Water Well Contractors Association. He holds a bachelor’s degree from Colorado College and has completed graduate course work at the Colorado School of Mines.
There are currently no instructors with the last name starting with "O."
Fred Paillet, Ph.D., is adjunct professor of geosciences at the
University of Arkansas and emeritus research scientist with the U.S.
Geological Survey. He was project chief conducting research in borehole
geophysics with the USGS for more than 20 years and has continued
research with academic appointments at the University of Maine,
University of Rennes, and the University of Queensland since that time.Paillet was one of the principle investigators on the long-term USGS fractured
rock aquifer study at Mirror Lake, New Hampshire. He has also worked
extensively with the U.S. Environmental Protection Agency at various
Superfund sites, and with environmental agencies in the states of New
York, Massachusetts, North Carolina, Connecticut, Wisconsin, and
Minnesota. Paillet has also served as an instructor for numerous short
courses on the application of borehole geophysics in hydrogeology
conducted by NGWA, U.S. EPA, USGS, and U.S. Army Corps of Engineers.
Sorab Panday, Ph.D., is a principal at AMEC with 23 years of experience in development and application of state-of-the-art model solutions to address water resource issues. He is also an adjunct professor at the University of Waterloo, Ontario, Canada. He has developed several of the industry’s state-of-the-art water resource modeling codes, publishes refereed articles in reputed journals, provides review and editorial support to industry publications, and conducts short courses on water resources modeling. Panday received his undergraduate degree from Indian Institute of Technology in Mumbai, India, a master’s degree from the University of Delaware, Newark, Delaware, and a Ph.D. from Washington State University, Pullman, Washington.
Mary Ann Parcher is the site operations manager and principal scientist for Environmental Systems & Technologies, a division of Groundwater & Environmental Services Inc. She has more than 15 years of environmental consulting experience and specializes in the application of computer technology to aid in the assessment and remediation of sites impacted by petroleum products and solvent releases. Her technical experience includes the application of visual imagery analyses, geographic information systems, and modeling of multiphase flow and chemical fate and transport associated with NAPLs. Parcher has been involved with technical analyses for facilities across the country as well as in the Caribbean, Europe, Canada, and Australia. She has presented at numerous technical conferences, and has taught seminars and workshops for NGWA, API, and the Massachusetts Licensed Site Professional Association. Parcher directed the development of and coauthored the API Interactive LNAPL Guide (2004) and interacted with members of the NAPL Cleanup Alliance of the Remediation Technologies Development Forum to develop an LNAPL training module and decision-making framework document for cleanup of sites impacted with LNAPLs. She has an M.S. in environmental science and engineering from Virginia Tech.
Parizek formerly conducted research at the Ground Water Geology and Geophysical Exploration Section of the Illinois State Geological Survey and the Saskatchewan Research Council, Saskatchewan, Canada. He is a codeveloper with L.A. Lattman of the fracture trace method of groundwater exploration.
Parizek has authored and presented numerous papers on the application of remote sensing and fracture trace techniques for the solution of various hydrogeological, geotechnical, and environmental problems including water well location, lineament mapping, contaminant migration, monitoring and cleanup, flow in karst terrains, and the siting of radioactive waste repositories.
In addition to receiving the M. King-Hubbard Science Award for 1993, the Hydrogeology Division Distinguished Service Award from the Geological Society of America, the 2001 C.V. Theis Award, American Institute of Hydrology, and other awards, he has served for more than eight years on the Nuclear Waste Review Board, which is charged with the review and analysis of the U.S. DOE Yucca Mountain Project.
Dave Pergel has a bachelor's degree in engineering technology with an emphasis in heating, air conditioning, and refrigeration, and more than 25 years experience in the geothermal industry.
Pergel has worked for ClimateMaster since 1996 in various internal departments including technical services, as a residential technical training manager, and is currently a geothermal loop trainer, helping the corporation grow the industry's infrastructure to increase ground source heat pump awareness. During the past nine years, he has conducted training on specifically on geothermal principles, design, installation, and troubleshooting.
He has also taught apprenticeship programs at various postsecondary institutions. Pergel was responsible for developing curriculum, designing and revising specific courses, creating a positive learning environment, and evaluating and testing trade personnel and students. He has affiliations with numerous trade associations and has also served on a college program advisory committee. Pergel holds electrical, plumbing, refrigeration, sheet metal, and water well drilling licenses in various states. He also operates a small geothermal drilling company in Canada.
Ronald B. Peterson of South Jordan, Utah, has been involved in the drilling industry for more than 36 years. Hired in 1977 by Baroid Industrial Drilling Products as a field service representative, he has worked in various positions for the company throughout his career including as an account rep and manager, all in the industrial drilling fluids market. Becoming involved in the groundwater and minerals exploration industry in late 1977, Peterson was one of the original team that took the Baroid QUIK-GEL distributor market into the industrial drilling products market.
Peterson's experience includes:
Seth Pitkin currently serves as vice president at Stone Environmental Inc., Montpelier, Vermont, where he directs the operations of the Investigation and Remediation Group.He is the company officer in charge of all contaminant hydrogeology projects, in addition to being a program manager, project manager, senior technical advisor, and senior hydrogeologist on groundwater-related projects.Pitkin has been with Stone Environmental since 1998.
Pitkin has 21 years of experience in the field of hydrogeology, largely in the investigation of groundwater contamination. He earned a B.S. in geology in 1984 from Evergreen State College, and an M.S. in hydrogeology from the University of Waterloo, in Ontario, Canada, in 1994. Pitkin assisted in the development of the Waterloo Profiler at the University of Waterloo and has developed modifications and enhancements to the system.He has extensive experience in high resolution site characterization and is active in the EPA Triad Community of Practice.
Prior to his tenure at Stone Environmental, Pitkin was a senior managing scientist at Johnson Co. Inc., also located in Montpelier.At Johnson, he served as the lead scientist on site characterization investigations.In addition, he served as project manager on many groundwater-related projects, vertical profiling, and on-site laboratory projects.
John Pitz, CPI and former NGWA president, holds bachelor's and master's
degrees in mechanical engineering from Notre Dame University and was the recipient of a National Science Foundation award. His master's
thesis was on "The Influence of Thermal Radiation in Transient Thermal
Boundary Layers." Pitz served on the Illinois Well and Pump Installation
Contractor's Licensing Board for more than 24 years. He is a past-president of the Illinois Association of Groundwater Professionals and is currently chairman of the Contractors Division of NGWA. Pitz also owns and operates a full-service water well construction and pump installation business.
Mike Price has been a journalist since 2005, beginning his career as a news reporter for a weekly newspaper covering a suburban city and school beat in Columbus, Ohio. He later worked as a sports reporter for Columbus’ daily newspaper covering high school and intercollegiate athletics. Price joined NGWA as associate editor of Water Well Journal® in 2008. In addition to his WWJ responsibilities, he produces the Association’s member e-publications and contributes to NGWA’s quarterly scientific publication, Groundwater Monitoring & Remediation®.
David Pyne, PE,has been president of ASR Systems LLC, Gainesville, Florida, working with ASR clients nationwide since 2001.
Previously, Pyne worked for 30 years for CH2M HILL Inc. where he served in several capacities including firmwide director of Water Resources Engineering.As a civil engineer,Pyne has pioneered development of ASR technology since 1978 and has led or participated in several ASR research programs.He has traveled globally, assisting several countries with ASR development programs and conducting training courses nationwide since 1994.
Pyne earned his B.S. in civil engineering from Duke University, his M.S. in civil engineering from the University of Florida with additional Ph.D. studies in water resources, also at the University of Florida.
There are currently no instructors with the last name starting with "Q."
Dale R. Ralston,Ph.D., is president of Ralston Hydrologic Services, which specializes in groundwater consulting and education.
Bill Reetz, LG, recently started A Better Earth LLC, a remediation and field services company serving Kansas, Iowa, Nebraska, and Missouri, after working for the Kansas Department of Health and Environment. Reetz has more than 17 years of experiencein project management with petroleum remediation sites, concentrating on contaminated source area reduction and municipal water treatment systems for BTEX, MTBE, and EDB removal. Reetz has copresented numerous NGWA short courses on public water treatment technologies for MTBE using air stripping and activated carbon. In addition, he assisted on a document produced by the California MTBE Research Partnership titled Treatment Technologies for Removal of MTBE from Drinking Water and has been active on an ASTM committee that is developing a document titled Standard Guide for Remedial Performance Measurement and System Optimization. Reetz is a licensed geologist in Kansas and has been active in conducting and reviewing SVE/AS pilot test data and full-scale system operations. He graduated from the University of Kansas with a B.S. in geology.
Robert Reimers, Ph.D., has been a professor since 1975 at Tulane's School of Public Health and Tropical Medicine in the Sustainable Resource Management Program, a part of the Department of Environmental Health Sciences. He teaches courses in water treatment, environmental chemistry, water quality management, toxic and hazardous waste management, global and local environmental media and issues, fundamentals in environmental chemistry, and fundamentals in environmental contaminants.He was a research scientist at Battelle Columbus Laboratories in Columbus, Ohio, from 1973 to 1975 where he was in the process technology section working on environmental process development and environmental assessment.
Reimers' research is in sustainable resource management — more specifically water and wastewater reuse, coastal wetland protection and restoration, innovative process development, and residuals management in disinfection, stabilization, and value-product development.During the last 30 years, he has published 60 refereed articles, 40 book chapters and published reports, more than 100 proceedings and nonrefereed articles, 100-plus technical reports, and more than 200 professional presentations. Reimers has directed, as a principal investigator, 100-plus grants and contracts, which have resulted in more than 15 patents. He has also been a consultant to 60-plus agencies and companies.His most recent research, with Andrew Englande, has involved, through the development of a ferrate, the treatment of secondary effluents discharged into Bayou Bienville. These studies are continuing on the wetland restoration through their grant coupled with a demonstration study through the Sewerage and Water Board of New Orleans and the State of Louisiana Coastal Restoration and Protection Program. In this demonstration project, furtherresearch will look at the blending of disinfected/stabilized biosolids with dredged sediment to further enhance these wetlands.
Reimers is currently assessing and developing the e-beam irradiation process to disinfect and stabilize municipal sludge with Texas A&M University and Suresh Pillai, Ph.D. This work on the e-beam sludge disinfection is showing a viable and inexpensive approach to the disinfection and stabilization of municipal sludge.
Roger E. Renner, MGWC, is president of E.H. Renner & Sons Inc. He is
the fourth of five generations of this family-owned business located in
Elk River, Minnesota. Aside from the overall operation of this business, he is specifically responsible for the municipal, large well sealing, and monitoring markets.Renner is a 30-year member of NGWA. He successfully completed the Master Groundwater
Contractor examination of the NGWA Voluntary Certification Program and
is therefore entitled to use MGWC after his name. He is one of 72
contractors in this NGWA program. He is also a past president of NGWA.
Thomas Roback Jr., CEP, QKA, is managing director of Blue Ridge ESOP Associates. Robak has worked in the accounting, investment, and ESOP industry for more than 20 years. He’s an expert in the design, implementation, and execution of ESOP, stock option, stock purchase, and restricted stock plans. Roback received a B.S. in accounting from the College of William and Mary and an M.B.A. from the University of Baltimore. He’s on the board of directors of the National Center for Employee Ownership and is also the Capital Area regional vice president of the ESOP Association’s Mid-Atlantic Chapter. Roback is a member of The ESOP Association and the National Center for Employee Ownership.
David J. Robinson, principal and founder of the Montrose Group LLC, has 20 years of experience as an economic development executive, lobbyist, lawyer, and public relations executive before the federal, state and local governments. He also teaches economic development at Ohio State University’s law and public policy schools.
Robinson has worked managing practice groups in large law firms, as a Republican member of the Ohio House of Representatives, as the coordinator for economic development of Ameritech Ohio, as press secretary for former Columbus, Ohio, Mayor Greg Lashutka, and as general counsel of the Ohio Chamber of Commerce. He authored “The Electric Company to the Rescue, Saving America’s Industrial Heartland Through Electric Rate Incentives,” the IEDC Economic Development Journal, Fall 2009, and coauthored “Innovation and Transformation in the Buckeye State: Ohio Offers a National Model for Technology Based Economic Development,” the IEDC Economic Development Journal, Spring 2010. He’s a graduate of Bowling Green State University and Ohio State University Law School.
Matthew Romeo, CFP, AIF, is chief operating officer/wealth advisor with Everhart Advisors. Having joined the firm in 1999, he’s a partner, registered principal, registered representative, and acting OSJ designee. As part of Everhart Advisors’ dedicated retirement plan service team, Romeo serves as the on-site participant services coordinator and personally leads participant education, including enrollment meetings and one-on-one planning visits. Additionally, he provides wealth management services for individuals and families.
Romeo holds a B.S. from the Max M. Fisher College of Business at Ohio State University, with a specialization in finance. He also holds a state of Ohio insurance license and series 7, 63, and 24 licenses. Recently, Romeo completed training in behavioral finance from the Allianz Global Investors Center for Behavioral Finance.
David L. Rudolph, Ph.D., PE, a geological engineer, is a professor in
the Department of Earth and Environmental Sciences and cross-appointed
to the Department of Civil and Environmental Engineering at the
University of Waterloo. He specializes and teaches in the areas of
regional hydrogeology and groundwater protection and management.Rudolph’s
areas of research activity include field investigation and numerical
modeling related to groundwater flow and contaminant transport with a
focus on regional groundwater flow systems, recharge dynamics, and
vadose zone processes. Specific research applications have focused on
assessing the impacts on water quality from agricultural land-use
practices. He works extensively in areas related to the regional
management of groundwater resources and he has participated with
municipal authorities both nationally and internationally — primarily
throughout Latin America — in the development of groundwater protection
and management strategies.In addition, Rudolph heads a
nationwide research team working on prioritizing risk to water quality
from various agricultural practices and evaluating performance of
beneficial management practices or BMPs. He recently served as
executive director of the Water Institute at the University of Waterloo.
Rudolph has also served as a member on NGWA’s Scientists and Engineers
Division Board and was the 2010 recipient of NGWA’s M. King Hubbert
Award for contributions to the field of hydrogeology. Rudolph served as the 2013 NGWREF Darcy Lecturer.He graduated from the University of Manitoba, and received his M.Sc. and Ph.D. from the University of Waterloo in hydrogeology.
Caroline Russell, Ph.D., is a senior environmental engineer in the Austin, Texas, office of ARCADIS, with more than 14 years’ experience specializing in drinking water treatment and water quality. She manages and contributes to a variety of water quality projects, including treatment alternatives evaluations and technology testing for removal of emerging inorganic and organic contaminants.
For the Glendale hexavalent chromium project, Russell contributed to an evaluation of pre- and post-pH adjustment strategies for the weak base anion (WBA) exchange treatment system and the development of cost curves for WBA treatment at varying system sizes. She continues to work on leading-edge technology testing for hexavalent chromium removal to very low levels for a confidential client in California.
Russell’s previous experience working for the Texas Commission on Environmental Quality and the U.S. EPA has provided her with a strong regulatory background.
JC Sandberg, senior public policy adviser with Baker, Donelson, Bearman, Caldwell & Berkowitz PC, servedasformer counsel to the U.S. Senate Committee on Environment and Public Works andone of the lead negotiators for Senate members, as well as playing a significant role in the passage of the SAFETEA-LU legislation.
Lauren Schapker started with NGWA in November 2014 as the director of
government affairs. Prior to joining the Association, she served as
director of government and political affairs for the Portland Cement
Association and a senior policy advisor for Xenophon Strategies, a firm
which provides government relations and public affairs services.
Schapker holds a B.S. in finance and an M.A. in political science from
Miami University in Oxford, Ohio.
Tim Scheibe, Ph.D., is a staff scientist at the Pacific Northwest
National Laboratory. While he did his doctoral studies at the Stanford
University in civil engineering, for the past 20 years, he has been
performing basic research, both computational and field-based, studying
the effects of physical and biogeochemical heterogeneity on groundwater
flow and reactive transport. Subjects of particular focus have been the
transport of bacteria in groundwater, bioremediation of metals and
radionuclides, and geological carbon sequestration. He works closely
with computational scientists to apply high-performance computational
resources to these problems, and has developed numerical models at
scales ranging from microns (microbial cells) to centimeters
(pore-scale models of laboratory cores) to meters (field-scale
bioremediation research sites) to kilometers (carbon sequestration
reservoirs).Scheibe has authored or coauthored 55
publications indexed by ISI, and actively participates in several
scientific organizations including AGU, NGWA, GSA, and SIAM.In 2010,
he served as the NGWREF Henry Darcy Distinguished Lecturer and
delivered 65 presentations at universities and other institutions
throughout North America and Europe.Scheibe served as the 2010 NGWREF Darcy Lecturer.
Michael J. Schnieders, PG, PH-GW, president of Water Systems Engineering Inc. in Ottawa, Kansas, has worked extensively on land-use planning issues, designing more effective well systems, water quality issues in both municipal and residential water supply systems, and water chemistry. He is deeply involved in the interpretation of laboratory analyses to troubleshoot operational problems experienced in wells and water systems, as well as resource characterization for current and future use. Schnieders has delivered numerous presentations to scientists and engineers, contractors, and practitioners at state, local, and national events. He received a B.S. in geology from Kansas State University, an M.S. in geology from Wichita State University, and is currently doing post-graduate work in geotechnical engineering at Kansas State University.
John Sciacca, a California professional geologist with more than 30 years professional experience, is a director for the U.S. Geological Survey, Nevada Water Science Center. He currently oversees management of scientists conducting hydrologic and hydrogeologic investigations and data collection for water resources applications.
Sciacca’s experience with borehole geophysical logging began 30 years ago. Throughout his professional career he has successfully designed borehole geophysical logging programs and applied log interpretation to design and complete production and injection wells, conduct hydrostratigraphic analysis in depositional basins, map aquifer units, and evaluate aquifer and formation parameters.
He has provided consulting services for the workover/rehabilitation and abandonment of municipal and private domestic water production wells, and has also conducted workshops on geophysical log quality control and presented papers on log quality and log interpretation for hydrogeologic applications. Sciacca holds an M.S. in geology from the University of California, Davis.
Allen Shapiro received his Ph.D. in civil and geological engineering
from Princeton University. Shapiro has conducted hydrologic research at
the Royal Institute of Technology in Stockholm, Sweden, and
Technion-Israel Institute of Technology in Haifa, Israel, and has been
an adjunct professor in the Department of Earth and Environmental
Sciences at Columbia University. Shapiro is currently a senior research
hydrologist with the National Research Program of the U.S.
Geological Survey in Reston, Virginia. His research focuses on the
development of field techniques and equipment, and methods of
integrating and interpreting geologic, geophysical, hydraulic, and
geochemical information in the characterization of fluid movement and chemical transport in fractured rock over dimensions from meters to kilometers.Shapiro's
research has focused on a wide range of geologic environments,
including crystalline rock, sedimentary formations, and carbonate
aquifers that have undergone karstification. His research has been
applied in issues of water supply, geotechnical engineering, waste
isolation, and groundwater contamination and restoration, including the
fate of dense non-aqueous phase liquids in fractured rock. Shapiro has
patented equipment for conducting hydraulic tests and collecting
water samples for geochemical analyses in fractured rock aquifers, and
he has published numerous articles in peer-reviewed journals. Shapiro
has served as an associate editor of the Journal of Hydrology, and he is currently an associate editor of the NGWA journal Groundwater®. Shapiro served as the 2004 NGWREF Darcy Lecturer.NGWA
selected Shapiro as the 2004 NGWREF Distinguished Darcy Lecturer, for
which he lectured on his research, both nationally and internationally,
at more than 50 universities and research institutes.
Raphael Siebenmann, PE, a graduate of Cornell University in Ithaca, New York, is a project engineer with Geosyntec. An environmental engineer with nearly a decade of experience in the environmental consulting field, his training is in the areas of chemical fate and transport, and site characterization. He has experience designing and maintaining environmental databases, conducting data analysis, three-dimensional visualizations, and working with geographic information systems.
Siebenmann’s project experience encompasses site characterization program development and management, data management and visualization, fate and transport modeling, and risk assessment. His field work and project management responsibilities include comprehensive work plan development, authoring of planning documents, development of remedial designs, and management of soil, groundwater, sediment, surface water, and soil gas sampling programs, and analysis and interpretation of data and results.
Randall K. Sillan, Ph.D., PE, is a principal environmental engineer with ARCADIS in Highlands Ranch, Colorado. He leads ARCADIS’ NAPL strategies practice by coordinating and developing company expertise in NAPL management and remediation strategies. While serving as the technical lead on projects, Sillan develops, designs, and implements remedial strategies for sites contaminated with fuel hydrocarbons, oils, chlorinated solvents, and coal tars.
In addition, Sillan has extensive experience with advanced NAPL assessment tools and bioremediation with multiple substrates and delivery methods. He is a professional engineer in several states and serves on the national committee that develops the exam to become a professional environmental engineer.
After completing his undergraduate work in mechanical engineering, Sillan received an M.E. in environmental engineering and a Ph.D. in hydrologic sciences at the University of Florida. His graduate work included development and field implementation of innovative NAPL assessment and remediation strategies including the partitioning tracer test, cosolvent flushing, and surfactant flushing.
James S. Smith, Ph.D., CPC, is the president of Trillium Inc. Smith graduated with honors from Williams College in Williamstown, Massachusetts, with a major in chemistry and a minor in mathematics.He went on to major in physical organic chemistry and minor in analytical chemistry and plant physiology at Iowa State University where he received his Ph.D. in 1964. Smith continued his education at the University of Illinois in Champaign as a National Institute of Health postdoctoral fellow in physical organic chemistry.In 1966, he became an assistant professor at Eastern Michigan University in Ypsilanti, where he taught analytical, organic, and general chemistry.In 1968, he went to Cornell University to perform research in mass spectrometry for two years with Dr. Fred McLafferty.
Smith joined the Allied Chemical Corp. Research Center in Morristown, New Jersey, in 1969. He was employed by the company for 12 years, supervising and working in the analytical chemistry department.In this position, Smith was involved with several environmental projects, including the analyses of kepone samples, design and operation of the first environmental chemistry laboratory for Allied Chemical Corp. (now known as Honeywell), and groundwater analyses for carbon tetrachloride.
In 1981, Smith joined Roy F. Weston Inc. as laboratory manager and director of Weston Analytics.While at Weston, he designed and supervised construction of two new environmental analytical laboratories and developed a GC/MS/MS method for TCDD. Smith joined hydrogeology consulting firm Walter B. Satterthwaite Associates Inc. in 1985.In the two years he was with this company, Smith introduced mobile mass spectrometry to the firm to aid in environmental site assessments.
In 1987, he founded Trillium Inc. for the purpose of consulting in environmental chemistry. Trillium's areas of expertise include quality assurance, planning, data validation, data interpretation, forensic chemistry, and expert witness testimony.
Stuart A. Smith, CGWP, a partner in Smith-Comeskey Ground Water Science, specializes in well maintenance and rehabilitation. He’s been consulting in hydrogeology, groundwater microbiology, and well maintenance and rehabilitation for nearly three decades. Smith has served as an instructor in groundwater technology for Wright State University in Ohio, and he’s been on the staffs of Battelle Memorial Institute and NGWA. Smith holds M.S. and B.A. degrees from Ohio State University and Wittenberg University, respectively. He’s the author or coauthor of numerous studies and publications on well biofouling, maintenance and rehabilitation, and well drilling.
Daniel B. Stephens, Ph.D., PG, is chairman of the board and founder of Daniel B. Stephens & Associates Inc. Stephens has earned an international reputation for expertise in analyzing vadose (unsaturated) zone processes that play a vital role in quantifying groundwater recharge rates and understanding infiltration processes.
During a 30-year career in consulting, as well as in research and university education, Stephens has directed hundreds of hydrogeological projects that have involved quantification of natural recharge, design of infiltration facilities, studies of groundwater quality, and fate and transport of contaminants in the subsurface. He is currently overseeing implementation of New Mexico's first ASR project. He serves on the NGWA Board of Directors and Scientists and Engineers Division Board of Directors.
He has also been a pioneer in developing methods to characterize the hydrologic properties of soil. Through extensively instrumented field sites, Stephens and his colleagues have discovered new physical processes that induce significant horizontal flow components to soil water movement.
Stephens has presented nationally and internationally on vadose zone issues and he has published the text Vadose Zone Hydrology in addition to more than 100 articles in scientific journals and conference proceedings.
William J. Stone, Ph.D., is a retired senior hydrogeologist with more than 30 years of experience in various aspects of hydroscience. He has held positions with universities, government agencies, and the mining industry, as well as working as a private consultant. Stone has worked on water resource and environmental projects in New Mexico, Australia, and Nevada.
He is author of numerous professional papers, as well as Hydrogeology in Practice — A Guide to Characterizing Ground-Water Systems. He currently writes "HYDROTHINK," a humorous but instructive regular column for the American Institute of Professional Geologists' magazine.
Stone enjoys teaching and has often been named as an outstanding instructor. He has taught courses at New Mexico Tech, the University of New Mexico, and the College of Santa Fe.
Susan Stover is manager of High Plains Issues with the Kansas Water Office, the state’s water planning agency, where she is involved in a range of water conservation initiatives. Prior to the Water Office, she worked on contamination remediation sites at the Kansas Department of Health and Environment.
A licensed geologist, Stover is a member of the Kansas Water Research Institute and serves on the Geological Society of America’s Geology and Public Policy Committee. She is also active in K-12 science education. Stover holds a B.A. in geology from the University of Nebraska, an M.S. in geology from the University of Kansas, and has completed graduate courses in hydrology and sedimentology at the University of Arizona and Louisiana State University.
Kevin Svitana, Ph.D., is chair of the Environmental Studies Program at Otterbein University and is responsible for creating its outdoor groundwater laboratory where students can gain first-hand experience collecting environmental samples.
With more than 32 years of experience as a geologist and more than 30 years as a hydrogeologist, his diverse professional experience ranges from mineral resource evaluation and environmental impact studies to the assessment and remediation of hazardous waste sites. In addition, Svitana’s experience with data collection and analysis for environmental assessment is extensive.
He’s an Ohio VAP certified environmental professional and has completed numerous environmental assessments in accordance with the various regulatory structures. Svitana also provides consulting services related to groundwater and geologic assessments.
Emilio Tenuta is vice president of corporate sustainability for Ecolab, a
global leader in water, hygiene and energy technologies and services.
His 30-year tenure with this organization includes 25 years of technical
and marketing management experience. In the past five years, Tenuta has
led Ecolab’s strategic sustainability journey focused on corporate
responsibility, internal environmental stewardship, and helping
customers operate more sustainably. During the past four years, he’s
forged strong partnerships with a number of NGOs to support management
of water and energy risks in the industrial sector, including the World
Wildlife Fund, Alliance for Water Stewardship, UN CEO Water Mandate,
Nature Conservancy, and World Economic Forum. Tenuta holds a B.S. in
chemistry from the University of Wisconsin-Eau Claire and a master’s
degree in business from the Northwestern University Kellogg School of
James “Doc” Thompson, REHS, has been with the Gaston County (North Carolina) Environmental Health Department for 23 years and is currently the environmental health program supervisor. He started Gaston County’s Groundwater Section Program in 1989 and is the author of Gaston County’s local groundwater rules.
Thompson, who has also worked as a driller’s helper, pump/tank installer, and driller on water wells, holds a B.S. degree in chemistry and biology from Gardner-Webb College. He’s cocreated two public health and groundwater courses for registered environmental health specialists (REHSs) and has taught more than 1,000 of them in North Carolina about wells — proper location, construction, disinfection, classifications, completion of wellhead, inspection, abandonment, water treatment, proper pump installation, groundwater geology, investigating groundwater contamination sites, DNAPLs, and LNAPLs. An experienced downhole wellhead video camera operator, Thompson wrote and produced Groundwater Video of Typical Wells in North Carolina.
Among other achievements, Thompson received the 1994 WNCPHA Environmental Health Specialist of the Year Award, the 1995 W.A. Broadway Award for Excellence in Environmental Work, and the 1999 WNCPHA Exemplary Service Award for service to the environmental health profession in North Carolina.
Thomas E. Tomastik is currently with the Ohio Department of Natural Resources' Division of Mineral Resources Management. He began his work with the Ohio DNR in 1988 as a geologist overseeing the Underground Injection Control Program. For the last six years, he's also been responsible for highly complex groundwater conflict investigations involving industrial aggregate mineral mine dewatering operations in western and northwestern Ohio. Tomastik received his B.S. and M.S. in geology from Ohio University and worked as a consulting geologist in oil and gas in the early part of his career.
Cliff Treyens has been director of public awareness for NGWA since September 2003. A professional communicator for more than 30 years, Treyens has been a newspaper reporter, a political communications director, and a private-sector marketing/public relations practitioner. Distinctions include the 1983 Pulitzer Prize for Distinguished Public Service as part of a reporting team for the (Jackson, Mississippi) Clarion-Ledger, and serving as communications director for former Mississippi Governor Ray Mabus and former Ohio House Speaker Vernal G. Riffe Jr.
Venki Uddameri, Ph.D., PE, is a professor in the department of environmental engineering at Texas A&M University-Kingsville where he also directs the National Science Foundation-funded center for research excellence on environmental sustainability in semiarid coastal areas. His research interests broadly focus on integrating conventional hydrogeological techniques with systems-oriented methods to develop scientifically-credible, risk-informed decision support systems.
Yen-Vy Van has more than 22 years of experience in environmental and hydrogeologic consulting. As Associated Environmental Group LLC's principal hydrogeologist, Van is responsible for clientele development and project management of geologic and hydrogeologic site investigations; design and implementation of soil and groundwater remediation systems including bioremediation, soil vapor extraction, and dual phase vacuum extraction technologies; groundwater resources exploration and studies; and environmental impact studies. She has participated on U.S. EPA projects for a technical enforcement team in assessing hazardous waste for EPA National Priority List (NPL) final sites. Van has also performed Levels B and C hazardous waste investigations and remediation at EPA NPL sites. Her experience also includes geologic mapping, interpretation of aerial photographs, fault studies, and landslide investigations.
In the area of water resources management, Van is responsible for project management of groundwater resources exploration including geologic and geophysical logging of pilot hole, water well design, aquifer pump testing, aquifer analyses, spinner log test, video log, flow model analyses, groundwater monitoring and water quality sampling, data analyses, and report preparation. She is also experienced in supply water well rehabilitation where various technologies are used to habilitate the production and capacity of a water well and develop the aquifer including high-pressure water jetting, usage of explosives, and chemical treatment.
She has managed groundwater resources exploration and construction of more than 20 municipal and tribal production water wells. The pumping capacity of these water wells has ranged from 100 gpm to 8,000 gpm. Van has also provided project management for evaluation of Critical Aquifer Recharge Areas under the Washington State Environmental Policy Act for undeveloped properties to assess the possible hydrogeologic impacts of the site's developments on local groundwater aquifers.
Mark Van Benschoten, CPA, a principal with Rea & Associates Inc., a regional accounting and business-consulting firm with 11 locations and more than 200 professionals, has more than 20 years of experience helping both businesses and not-for-profits reach their financial goals. As the firm’s director of not-for-profit services, he oversees a statewide team of professionals dedicated to serving nonprofit organizations. Van Benschoten is a member of the American Institute of CPAs and the Ohio Society of CPAs where he will serve as chairperson of the board in 2014. He earned his bachelor’s degree in accounting from the State University of New York at Albany.
Mark Varljen has been conducting quantitative hydrogeological investigations and research as a professional in industry, government research, and private consulting since 1986. His practical experience in contaminant hydrogeology spans hundreds of projects throughout the world. As a researcher at the Illinois State Water Survey, Varljen contributed to the advancement of many groundwater investigation techniques including the “low flow” or micropurge approach to groundwater sampling. His expertise is widely recognized by the scientific community, as evidenced by peer-reviewed scientific publications, frequent presentations at national and international scientific conferences, and service as an associate editor for Groundwater Monitoring & Remediation®. Varljen holds a B.S. in earth science from Penn State University, an M.S. in civil engineering from the University of Illinois, and is a licensed geologist and hydrogeologist in the state of Washington.
Richard Velletri is currently in loss control at The Hartford’s Specialty Construction Department, having joined them in 2003 as a construction consultant. He’s been a certified safety professional since 1983 and an OSHA Construction Outreach trainer since 1999. Velletri has presented several safety programs and courses for the Associated General Contractors of Virginia in both Richmond and Lynchburg, the Mechanical Contractors Association of Metropolitan Washington (D.C.), and contractors in Virginia, Maryland, and the District of Columbia. He holds a B.S. in construction management from Utica College and an M.A. in occupational safety and health from New York University.
Don A. Vroblesky is a research hydrologist with the U.S. Geological Survey in Columbia, South Carolina, and has been employed by the USGS since 1980. He is the inventor of a variety of sampling methodologies, including the passive diffusion bag (PDB) sampler and the method to use tree cores as a tool to examine the distribution of volatile organic compound contamination in groundwater. Vroblesky’s was the first publication to utilize tree-ring chemistry to deduce the history of groundwater contamination. His research interests include natural and engineered remediation of groundwater contamination.
Sharon Wadley, PG, regularly lectures at Schlumberger Water Services Advanced Groundwater Modeling courses.
Wadleyjoined the Consulting Services Division of SWS in 2005. Prior to that, she was a research hydrogeologist in reactive barrier research and development at the University of Waterloo with Dr. Robert Gillham. Since joining SWS, Wadley has led many challenging and diverse projects and relocated to SWS Calgary in 2007. Ongoing projects and duties include groundwater modeling and development of a groundwater monitoring plan for a gas plant in central Alberta; development of source protection initiatives including a microbial contaminant control plan for Conservation Authorities and Municipalities in Ontario; data management, subsurface characterization, and predictive modeling for a landfill in eastern Ontario; and providing technical support for business development in western Canada.She utilizes her expertise with numerical modeling (MODFLOW) and information management applications (HGA, MapInfo) for many SWS clients.
Wendy Wempe, Ph.D., is a research assistant professor in the Petroleum Engineering Department at the Colorado School of Mines. Her research involves petrophysical and rock physics modeling of properties that control fluid flow in porous media, with applications to the groundwater, petroleum and geotechnical industries. More specifically, her research interests involve porosity, relative permeability, and wettability modeling. Wempe has focused on the use of electrical resistivity as a tool for characterization. Additionally, she has interest in the water/energy nexus and subsequently developed and coteaches a graduate-level seminar titled “Impacts of Energy Resources Development: Science, Policy and Perception.”
After receiving her Ph.D. from Stanford University in 2000, Wempe was a research assistant at the Cooperative Institute for Research in Environmental Sciences and an adjunct professor at the University of Colorado Boulder, then moved on to a position as senior hydrogeologist at Schlumberger Water Services before arriving at her current position at CSM.
Larry West has a B.S. in geology, an M.B.A., and 39 years of experience in groundwater management, development, control, and protection. He has conducted a number of infiltration investigations across the United States, focusing on groundwater’s influence on surface water, and the influence/impacts of stormwater on groundwater. Many of West’s past projects have included developing efficient, effective, and environmentally safe techniques for disposing and managing stormwater using slow and rapid infiltration, aquifer recharge, spray irrigation, low impact development (LID) alternatives, and water quality treatment infiltration.
West served on the Washington State Department of Ecology’s technical advisory committee for stormwater infiltration and contributed to the development of the Western Washington Stormwater Management Manual. He developed the state’s approach for a pilot infiltration test to determine field infiltration rates and conducted research for stormwater infiltration litigation using LID best management practices for municipalities, counties, and the state of Washington.
Keith White has 24 years of experience as a hydrogeologist, focusing on DNAPL behavior in the subsurface and karst hydrogeology. He leads ARCADIS’ karst practice and is responsible for seeing that karst sites are identified, properly characterized, and remediated. White has been invited as a guest lecturer at several universities and local geologic organizations and provides in-house, corporatewide training on the topic of karst hydrogeology to junior geologists and scientists. He is an active member of the Association of Engineering Geologist’s Groundwater/Karst Technical Working Group. White holds a bachelor’s degree in geology with a concentration in environmental science from the State University of New York and has performed master’s-level coursework in hydrogeology at Syracuse University.
Mark Widdowson, Ph.D., is a professor with the Charles E. Via Jr. Department of Civil and Environmental Engineering at Virginia Tech in Blacksburg, Virginia.
Widdowson is an expert in reactive contaminant transport modeling and has 20 years of experience creating, developing, and applying computer models for subsurface remediation of petroleum hydrocarbons and chlorinated solvents. He is the coauthor and principal investigator of the solute transport code SEAM3D for simulating biodegradation and transport of contaminants with NAPL dissolution in aquifers and NAS. Widdowson's teaching and research interests include bioremediation and phytoremediation, modeling groundwater flow and transport, hydrology, and hydraulics. He teaches short courses on natural attenuation to state and federal government agencies. Widdowson received his B.S. in civil engineeringfrom the University of Cincinnati, an M.S. in water resource engineering from the University of Kansas, and a Ph.D. in civil engineering from Auburn University.
Todd H. Wiedemeier, PG, president of T.H. Wiedemeier & Associates LLC, has more than 14 years of experience in remediation and has conducted natural attenuation and bioremediation feasibility studies at more than 100 sites contaminated with fuel hydrocarbons, MTBE, and chlorinated solvents.
He is the author of more than 100 publications on remediation, including the widely used Air Force Center for Environmental Excellence document titled Technical Protocol for Implementing Intrinsic Remediation with Long-Term Monitoring for Natural Attenuation of Fuel Hydrocarbons Dissolved in Groundwater, and the U.S. EPA document titled Technical Protocol for Evaluating the Natural Attenuation of Chlorinated Solvents Dissolved in Groundwater. Wiedemeier is the senior author of Natural Attenuation of Fuels and Chlorinated Solvents in the Subsurface published by John Wiley & Sons and is working on a protocol for evaluating the natural attenuation of MTBE.Wiedemeier teaches several short courses including NGWA short courses on enhanced bioremediation, low-cost remediation strategies, and remediation by natural attenuation.
Dorthe Wildenschild, Ph.D., is an associate professor in the School of Chemical,
Biological and Environmental Engineering at Oregon State University. Research in
her group focuses on physics, chemistry, and microbiology of relevance to flow
and transport in porous media. Much of her work is supported by high resolution
imaging and applications primarily involve subsurface multiphase flow
Derrik Williams is president of HydroMetrics Water Resources Inc. in Oakland, California. He has provided groundwater management consulting to water agencies, irrigation districts, cities, and private clients throughout California and the West for more than 25 years. Williams is an expert in groundwater modeling, groundwater management, groundwater supply, and groundwater recharge issues. He recently helped develop the Association of California Water Agencies’ Groundwater Framework for managing California’s groundwater.
John H. Williamsis a New York District groundwater specialist with the USGS as well asa borehole geophysics applications specialist for the Water Resources Division of the USGS.
Williams has an M.S. in geology, with an emphasis on hydrogeology, from Penn State University. Hecompleted resource evaluation and contamination investigations of unconsolidated and fractured bedrock aquifers in Pennsylvania, New England, and New York, and has taught aquifer test and borehole geophysical methods at the USGS and EPA.
Mark Williams, Ph.D., is a research fellow at the Institute of Arctic and Alpine Research, coassociate director of the Undergraduate Academy, and associate professor of geography at the University of Colorado, where his classes can be used to satisfy the Hydrology Certification Program.
Williams received his Ph.D. in biological sciences from the University of California, Santa Barbara, in 1991. His research interests include the processes that determine the hydrochemistry and biogeochemistry of seasonally snow-covered basins, including the storage and release of solutes from the snowpack, biogeochemical modifications of snowpack runoff, nutrient cycling and hydrologic pathways, and residence time. The majority of his research has been conducted in the Rocky Mountains, Sierra Nevada, the Tien Shan, China, and the Andes of South America. Williams is the editor of Arctic, Antarctic, and Alpine Research, a peer-reviewed journal that focuses on any scientific or cultural aspect of arctic, antarctic, and alpine environments, as well as related topics on subarctic, subantarctic, and subalpine environments and paleoenvironments. He is also chair of the Cryosphere Focus Group of the American Geophysical Union.
Michael Wireman is a hydrogeologist currently employed by the U.S. EPA in Denver, Colorado, where he serves as a national groundwater expert. He also serves on the NGWA Scientists and Engineers Division Board of Directors.
Wireman has a master's degree in hydrogeology from Western Michigan University in Kalamazoo, Michigan, and he has done post-master's work at the Colorado School of Mines. He has more than 30 years of experience in groundwater investigations in the western Rocky Mountains.
In his current position, he provides technical and scientific support to several EPA programs, other federal agencies, international programs, and state groundwater protection/management programs. Wireman manages research projects related to mine-site hydrology/geochemistry, groundwater sensitivity/vulnerability assessment, isotope hydrology, groundwater/surface water interaction, and aquifer characterization.
In addition, he has significant experience in the legal, scientific, and programmatic aspects of groundwater resource management; has extensive experience in groundwater-related work in the Baltic countries, Ukraine, Romania, and Georgia; and has served as an adjunct professor at Metropolitan State College in Denver where he taught a class on contaminants.
Wireman is a member of the Colorado Ground Water Association, NGWA, and Geological Society of America, and he is the current chair of the International Association of Hydrogeologists United States National Chapter.
Kathleen M. Wiseman has been employed at Water Systems Engineering, a multitiered firm that specializes in groundwater and surface water applications, for more than a decade, beginning in the diagnostic and investigative research lab, serving as assistant lab manager. The lab specializes in comprehensive water testing, allowing water to be profiled from biological and chemical standpoints, as well as allowing for research of the problems that impact groundwater systems, potable water treatment, and industrial water handling. Since 2007, Wiseman has been on the consulting staff, specializing in well remediation and source protection, developing protocol for water system disinfection, rehabilitation, and maintenance. She works closely with municipalities, consultants, and contractors, both nationally and internationally.
Prior to joining WSE, Wiseman was employed by the Natural Resources Conservation Service (formerly Soil Conservation Service) as a soil conservation aide and then as the Water Quality Program coordinator. In addition, she has been teaching geography and environmental science courses at the local university and community college since 1991.
Wiseman holds a B.S. in geography/land use planning from Emporia State University and an M.A. in geography/remote sensing of natural resources from the University of Kansas.
Lori Wrotenbery has served as director of the Oil and Gas Conservation Division of the Oklahoma Corporation Commission since August 2004. Her previous service includes leadership roles at the oil and gas regulatory agencies in New Mexico and Texas. Wrotenberry is a past president of the Ground Water Protection Council and a founding member of State Review of Oil and Natural Gas Environmental Regulations Inc. (STRONGER). She holds a B.A. in anthropology from Wellesley College, a B.S. in geology from the University of Texas, and a law degree from Harvard University.
Allan Wylie, Ph.D., presently works as a hydrogeologist for the Idaho Department of Water Resources.He holds a bachelor's degree in earth science from Chadron State College in Chadron, Nebraska, a master's degree in geology from the University of Montana, and a Ph.D. in geology from the University of Idaho. Over the years he worked in minerals and petroleum exploration and as a consultant hydrogeologist. Throughout his career he has drilled and installed numerous exploration and monitoring wells, as well as several production wells.
There are currently no instructors with the last name starting with "X."
Steven Youra, Ph.D., teaches college writing
and science communication at the California Institute of Technology,
where he has directed the Hixon Writing Center. He came to Caltech from
Cornell University, where he was founding director of the Engineering
Communications Program and a prize-winning teacher. Youra has presented
lectures and workshops on effective communications and teaching issues
in the United States and abroad including Greece, Singapore, Turkey,
Israel, and Russia. He has published scholarly articles on technical
communication, writing pedagogy, American literature, and film. Youra’s
current research project is on collaborative writing practices and
differing notions of authorship across academic and professional fields.
Jonathan “Jon” A. Zanders is currently a project field manager for Stone Environmental Engineering and Science Inc. He has more than 15 years of experience in the environmental field and is experienced in Phase I and Phase II environmental site assessments, UST closure and corrective actions, and sampling and analysis of soil, groundwater, building materials, sediments, surface water, and wastewater. Zanders also has extensive experience in project field management, site supervision, health and safety, report preparation, and data interpretation and management. Throughout his career, he has worked for Barium & Chemicals Inc. of Steubenville, Ohio, the former Union Carbide Facility in Ashtabula, Ohio, and ESAB Welding & Cutting Products of Taneytown, Maryland. From 2006-2010, Zanders participated in the Nielsen Field School North
American Environmental Conference and Exposition (NAEFCon) with a
groundwater focus. He also participated in the Ohio EPA Division of
Environmental Response and Revitalization/Voluntary Action Program
Ground Water Training, Well Development, and Ground Water Sampling in
2013. Zanders is pursuing an A.A.S. in environmental technology at Columbus State Community College.
This page was last updated on
800 551.7379 (614 898.7791 outside the United States)
8 a.m.-5 p.m. ET Monday through Friday
fax 614 898.7786
601 Dempsey Road
National Ground Water Association
601 Dempsey Rd.
Westerville, OH 43081
(614 898.7791 outside the US)
fax 614 898.7786