Groundwater Expert Witnesses

Civil Engineering, Environmental Engineering - Groundwater, Wastewater, Remediation, Bioremediation, Modeling, Stormwater, Hydrogeology, Hydrology, Geotechnical, Microbiology, Contamination, Geochemistry, Construction, Demolition, Home Inspection

Dr. TImothy Mayotte is President and CEO of Mayotte Design & Engineering, PC, a civil and environmental engineering design firm based in East Lansing, Michigan. Since 2003, MD&E has proved itself a highly responsive design, advocate and risk management partner for clients in the energy, automotive, commercial printing, textile, pharmaceutical, chemical, real estate, and legal industries. MD&E offers a variety of services, specializing in the design and engineering of treatment solutions for wastewater, groundwater, stormwater and contaminated soil, sediment and air. Dr. Mayotte has assisted clientele across globe, having completed projects in: Alabama; Arizona; California; Colorado; Connecticut; Illinois; Indiana; Iowa; Kansas, Massachusetts; Michigan; Missouri, Mississippi; Nevada; New Jersey; New York; Ohio; Oregon; Tennessee; Texas; Vermont; Virginia; West Virginia; Washington, Wisconsin; Wyoming; British Columbia; Ontario; Quebec; Brazil; China; Czech Republic; Italy; and Mex...

Environmental, Chemistry & Chemicals - LSRP, Assessment, Remediation, CERCLA, TSCA, UST, Vapor Intrusion, Soil, Groundwater, PCBs, PFAS, Hazardous Substances, Cost Recovery, NJDEP, USEPA, Licensed Site Remediation Professional, Phase I, Brownfields, RCRA, Chlorinated Solvents

As the President of PennJersey Environmental Consulting since 2012, Mr. Ferguson leverages his nearly 40 years of experience and his credentials as a Licensed Site Remediation Professional (LSRP) to help clients manage their environmental needs, especially site assessment and remediation. He combines regulatory knowledge, remediation experience, and strategic vision to handle complex and high-profile cases, applying the most current scientific principles in contaminant fate and transport. His background includes a bachelor of science in chemistry from Ursinus College, managing a NJDEP certified environmental laboratory, OSHA and USEPA required hazardous substances training, as well as environmental consulting. As an expert witness, Mr. Ferguson has prepared reports and given expert testimony in matters related to cost recovery of environmental damages, criminal insurance fraud, due diligence, Toxic Substances Control Act (TSCA) polychlorinated biphenyls (PCBs) remediation, profes...

Mining, Geology - Hydrogeology, Hydrology, Geological Engineering, Mining Engineering, Tunnel Engineering, Geotechnical Engineering, Groundwater, Geology, Water Resources Engineering, Remediation Design, Hazardous Waste Management, Site Investigations.

I am a multi-disciplinary engineer and a licensed Professional Engineer in mining, civil and geological engineering. I have over 35 years of experience in engineering and geology. Currently, I am a Senior Subject Matter Expert for the US Department of Energy at the Carlsbad Field Office's (CBFO) Waste Isolation Pilot Plant (WIPP) in Carlsbad, New Mexico. I provide senior technical advice and recommendations to the CBFO Manager, Assistant Manager and Director, Facility Engineering Division, on matters pertaining to mining engineering, ground control, mine safety, groundwater engineering, underground mine construction and drift, back and ribs maintenance, mine shaft and hoist construction and maintenance, surface mining facilities, and systems construction and maintenance, and input and coordinates with other CBFO staff. I graduated with degrees in mining and geological engineering from the Colorado School of Mines which is ranked #1 in the world in mining and mineral engineering ...

Environmental, Engineering - Hydrology, Sewer, Water, Flooding, Groundwater, Hydrogeology, Drainage, Wastewater Treatment, Septic Systems, Utility, Sewer Systems, Sanitary Sewage, Mold, Stormwater Management, Hydraulics, Hazardous Waste, Drinking Water, Waste Management, Erosion, Soils, Pumping, Water Quality, Air Quality

Nationwide experience as hydrologist, environmental engineer, and civil engineer, including for construction, operations, design, inspections, floodplains, contamination, toxicity, hazardous waste, spills, grading, remediation, pollution, sinkholes, health and safety, pumping, modeling, odors, soils, dams, regulations, combined sewers, overflows, aquifers, water distribution, water treatment, hydraulic fracturing, Standard of Care, sedimentation, hydroplaning, wetlands, landfills, monitoring, infiltration/inflow, and metering. Forensic cases for Mr. Dutill have comprised federal and state courts, and include damages from approximately $25,000 to approaching $1 billion, with most between $100,000 to $5M. As indicated in feedback from attorneys on expert witness cases, some of the strengths of Mr. Dutill include understandable guidance, responsiveness, timeliness, communication, effective report writing, strong testimony (including on cross), efficiency, organization, and assistance ...

Geology, Environmental - Groundwater, Hydrogeology, Geology, Geo-Hazards, Mining, Stormwater, Oil & Gas, Bedrock Aquifer, Groundwater Contamination, Environmental Forensics, Environmental Evaluation, Environment, Water Resources, Water Supply, Karst, Karst Geology, Karst Hydrogeology, Sinkholes

Expertise in hydrogeology, geology and environmental forensics with a specialization in groundwater flow and contaminant transport in fractured bedrock aquifers. Mr. Gillespie's technical expertise is complemented by an industry insider’s savvy of corporate needs and operations and the regulatory acumen of a former agency reviewer and bureau official. He is a published researcher in hydrostructural geology and karst hydrogeology, an adjunct university professor of geology and a frequent provider of continuing professional education courses. Mr. Gillespie is routinely invited to speak on matters of earth, environment and energy to government committees, national business organizations and educational institutions. He developed and leads a geoResource Risk Reduction practice, specializing in strategic representation in regulatory and legal venues. Mr. Gillespie has provided litigation support, testifying expert services, expert regulatory negotiation support and public representa...

Environmental, Industrial Hygiene - asbestos, mold, soil, groundwater, remediation, indoor air quality, industrial hygiene, chemical spills, fire, hazardous, waste, mold, lead, vapor, industrial, hygiene, disaster response, oil & gas, storage tanks, radiation, geology, Phase I ESA, construction, OSHA, RCRA, PG, RSO, CHMM, ASTM, NORM

35+ yrs. diverse experience, education, credentials & licensing in geology, biology, remediation, & hazardous materials management. For the built environment, I hold multiple credentials in asbestos, lead, indoor air quality, industrial hygiene, mold & bioaerosols, sick buildings, vapor intrusion, OSHA worker & evaluation of operational compliance & occupant hazards. I lecture & teach for UT Systems, JLL, Wal-Mart, major lenders & underwriters. I practice environmental & industrial hygiene at TGE Resources, Inc., (Houston, TX), the firm I founded 30+ years ago. I am routinely retained across my diverse field - over 70 times with near equal defense & plaintiff representation. I have large case experience, I've served in class action litigation, & public and private sector suits. I am an expert in environmental geoscience & hazardous materials releases & spills within the transportation, bulk fuel, lube, and chemical industries. I plan remediation strategies, actively cleanup & ove...

Legal, Environmental - energy, utilities, drinking water, groundwater, redevelopment, contaminated industrial plants & military bases, airports, arsenals, shipyards, superfund, hazardous waste cleanup, PFAS, toxic substances, climate change, flooding, military accidents, investigations, mediation, enforcement, litigation

Harry H. Kelso, through alternating private and government law and consulting practice, is an expert on the range of complex, federal and state regulatory issues and enforcement related to current and former (dating to World War I) private and public industrial facilities. These encompass military bases, airfields, shipyards, arsenals, and training ranges, as well as private sector, Defense contractor-managed industrial plants; toxic chemicals, e.g. PFAS; and investigations conducted by Congress, DoD Inspectors General, and military accident investigators.. Served as the Department of Defense’s award-winning head lawyer (with a TS-SCI security clearance) for issues concerning domestic and foreign military installations, their complicated infrastructure and host communities, often including other government agencies and Defense contractors; toxic chemicals; and military accident investigations. Previously served in senior environmental leadership in the Justice Department and a...