Cercla 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...

Newport Beach, California

Geology, Environmental - Hydrogeology, Wells, Geologic Modeling, PFAs, Drilling, Groundwater and Soil, Recharge, Volatile Organic Compounds - VOC, Bedrock and Karst, CERCLA, Aquifers & Characterization, Aquifer Storage and Recovery - ASR, Chlorinated Solvents, Water Suppy, RCRA, Contamination, Managed Aquifer Recharge - MAR, Well Performance, Water Resources

Eros A. Bilyeu, PG, CHG, CGWP, QSD/QSP is a California-licensed Professional Geologist and Certified Hydrogeologist specializing in groundwater supply, recharge, and contamination investigations. He is the Principal Hydrogeologist of Hydro-Geologic Solutions, Inc., a certified small business headquartered in Newport Beach, California. Mr. Bilyeu provides expert analysis, consulting, and testimony for litigation, permitting, and regulatory matters involving complex subsurface and water-supply issues. Eros has been retained as an an expert witness five times, deposed once, and requested to testify twice in the last four years. Following expert opinion reports/presentations or deposition, cases have ended in settlement and satisfied clients as a result. Mr. Bilyeu has more 18 years of hydrogeologic experience supporting cities, water districts, and engineering firms throughout California and the western U.S. His expertise spans: Well design, construction, and performance testing (...

San Francisco, California

Environmental, Geology - Hydrogeology, Groundwater, solvents, petroleum hydrocarbons, soil vapor, soil gas, vapor mitigation, dry cleaner, military base, military operations, groundwater modeling, fate & transport, site history , due diligence, cost allocation, cost recovery, CERCLA, NCP, RCRA, PRP identification

Ms. Shipman is a senior director and hydrogeologist. Her previous experience managing U.S. Air Force and Navy base cleanup work transformed to directing environmental work at five military base conversions. Ms. Shipman is experienced in strategy development for environmental compliance and management, regulatory agency negotiation and community and public outreach. She has provided expert testimony in California Superior Court regarding UST cleanup, vapor mitigation, and closure and deposition testimony in US Federal Court cases in California regarding sources and fate and transport of solvent releases to groundwater and environmental compliance of industrial operations. She directs litigation support projects that include groundwater flow and fate and transport modeling, cost allocation apportionment, and 3D GIS modeling of watersheds. Dorinda’s expertise includes site characterization, human and ecological risk evaluation, and remediation and risk management for dry cleaners a...

Milford, New Jersey

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

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 general 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, professional negligence, and the standard of care at the time the ...