Environmental Expert Witnesses in Pennsylvania

Environmental, Hydrology - sinkhole, groundwater, landslide, drilling, hydrogeology, rockfall, karst, vibration, blast, earthquake, contamination, pipeline, fracking, water, erosion, construction, stormwater, physics, leak, cave

Dr. Bechtel is geophysicist/geologist, and a world-renowned expert on sinkholes. But not just sinkholes; bedrock conditions, caves, water pollution, and all issues related to karst terranes. Dr. Bechtel has 25+ years of experience in the engineering/environmental industry, as well as faculty positions at Franklin & Marshall College, the University of Memphis and the University of Pennsylvania, and is an appointed member of the International Karst Commission. Dr. Bechtel has been an expert in dozens of sinkole or karst-related cases - often related to causes of sinkholes and/or water problems. Dr. Bechtel also has expertise and courtroom experience in Unconventional Oil & Gas, hydraulic fracturing (fracking), and fracking-industry-related earthquakes, horizontal directional drilling (HDD), as well as all fields of seismology, seismic hazards, vibration monitoring and analysis, subsidence, soil creep, landslides, rockfalls, non-destructive evaluation of earthen dams and levees, subsu...

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...