Groundwater Contamination Expert Witnesses

Mobile, Alabama

Hydrology, Environmental - PFAS, AFFF, PCBs, Landfill Leachate, Groundwater Contamination, PFOS, Flooding, Stormwater Runoff, PFOA, CAFO, Erosion, Sedimentation, Above Ground Storage Tanks, Underground Storage Tanks (USTs), Mining, CERCLA, RCRA, Hydrogeology, Hydrology, Environmental Impacts

NATIONWIDE PRACTICE in surface and subsurface hydrology. EXPERT IN ENVIRONMENTAL CONTAMINATION - Contamination of groundwater, soil, sediment, particulate, and surface-water by a variety of substances, including PFAS (PFOS, PFOA, others), PCBs, pesticides, herbicides, nutrients, radiation, metals, wood preservatives, fuels, microbes, disinfectants, oilfield brine, fracking fluids, drilling mud, BTEX, VOCs, SVOCs, solvents, and chlorinated solvents, such as trichloroethylene (TCE), tetrachloroethylene (PCE), dichloroethylene (DCE), vinyl chloride, chloroform, carbon tetrachloride, 1,1,1-trichloroethane, 1,1-dichloroethane, etc. Also, landfill leachate releases, oil and chemical spills, applications of aqueous film-forming foam (AFFF), underground and above-ground storage tank leaks, concentrated animal feeding operation (CAFO) releases, etc. EXPERT IN STORMWATER HYDROLOGY - Runoff-related impacts such as flooding, erosion, and sediment transport and deposition. EXPERT IN GENERAL A...

Westfield, New Jersey

Environmental, Hydrology - PhD UC Berkeley, Certified Hydrologist, National Practice, PFAS AFFF PFOA PFOS, Benzene, Chlorinated Solvents, 1 4-dioxane, Forensic Analysis, Modeling, Visualization, Metals, Source Identification, Apportionment, Causation, Expert Rebuttal, vinyl chloride, Groundwater Contamination, Bedrock, Groundwater pollution, Hydrogeologist

CONTAMINANT HYDROGEOLOGIST: Forensic Hydrogeology, Contaminant Fate and Transport, Site Remediation, Contaminant Source & Timing Analysis, Causation Reports & Rebuttals, Apportionment Analysis, PRP Identification, and Liability Allocation. Groundwater pollution, groundwater contamination, soil contamination, sediment contamination, surface water contamination. EXPERIENCE: 30+ years in consulting, litigation support, research, and teaching. ACADEMICS: PhD UC Berkeley; Research Associate, Lawrence Berkeley National Laboratory; Adjunct Professor LEAD AUTHOR of an internationally recognized book about groundwater fundamentals SPECIALITIES: Groundwater, soil, sediment, and surface water contamination; PFAS, AFFF, PFOA, PFOS, 1,4-dioxane, benzene, emerging contaminants, BTEX, chlorinated solvents (e.g., TCE, PCE, vinyl chloride), vapor intrusion, DNAPL, LNAPL, chromium, CERCLA, RCRA, Superfund, UST, spills, biosolids, landfill, leaching, bacteria, fractured bedrock hydrogeology, risk ...

Center , Pennsylvania

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...