Groundwater Consultants: 5

Philip T. Tringale, PhD, PE is a registered Professional Civil Engineer with over 25 years of Environmental Consulting experience. Dr. Tringale has served in senior technical and management positions throughout his thirty year professional career. With experience gained from a start-up consulting firm as well as from well-established engineering companies, he continues to focus his energies on leading technical projects and overseeing technical and geographic expansion activities.

Consulting Services Include:

• Site Assessment and Remediation Program Direction
• Mergers & Acquisitions Assistance
• Public Participation Programs
• Regulatory Agency Interaction
• Litigation Support for Litigation involving Source Identification, Nature and Extent of Contamination, Cost Allocation, and Compliance with the National Contingency Plan

As a registered professional engineer, Dr. Tringale has directed numerous site assessments and remediation programs involving soil and groundwater contaminated primarily by organic solvents, metals, and petroleum products. He has particular expertise in site characterization and in the use of in-situ testing to evaluate soil properties. Dr. Tringale has provided final design for remedial actions that involve excavation, containment, bioremediation, vacuum extraction, monitoring, and groundwater treatment.

Selected Projects:

• Historic Schlage Lock manufacturing complex in San Francisco which was rezoned mixed-use commercial and residential. Services included excavation of sumps and contaminated soils, and the design and installation of a soil vapor extraction system to remove volatile organic compounds
• Contra Costa Waste Service Landfill - provided monitoring, remedial planning, and design of landfill closure services for this Superfund Landfill site

View Dr. Tringale's Expert Witness Profile.

For over 45 years, Chuck Dutill, P.E., D.F.E. has been performing hydrology and environmental engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, hydrology, hydraulics, drinking water, mold, erosion, and air quality. The hydrology, civil engineering, and environmental engineering work of Mr. Dutill has been heavily concentrated in:

• Provision of expert witness services, including investigation, analysis, consultation
• Analysis of regulations, including concerning compliance and enforcement
• Evaluation of monitoring requirements
• Development of engineering feasibility studies and facility plans
• Acquisition of permits with appropriate requirements and fees
• Provision of project cost advice

Mr. Dutill also has significant engineering experience in the areas of design, construction management, operation and maintenance assistance, and community acceptance. He serves as a civil engineer, environmental engineer, and hydrologist on a consulting basis for private, institutional, and governmental clients. 

Expertise:

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  Wells  Runoff Backups  Water Mains Storm Sewers  Detention  Contamination  Spills  Pollution  Sinkholes  Sedimentation  Wetlands  Infiltration/Inflow  Dams  Floodplains

Toxicity Remediation Grading Health and Safety  Modeling  Odors  Combined Sewers  Overflows  Aquifers  Water Distribution Water Treatment Hydraulic Fracturing  Hydroplaning  Monitoring  Metering Maintenance  Design Construction  Inspections

CV Available Upon Request View Mr. Dutill's Expert Witness Profile.

GEO Associates provides litigation support services and expert witness testimony for civil and criminal investigations and insurance industry cases (both plaintiff and defendant) that involve Groundwater Pollution and Data Analysis, Forensic Geology and Geophysics, Hydrology Modeling, and Forensic Meteorology including Weather Event Re-Construction and Force Majeure cases. GEO Associates can assist attorneys and insurance claim professionals in obtaining, analyzing, modeling, and interpreting the correct geophysical/geological and meteorological data for their case.

GEO Associates uses the latest approved Regulatory EPA and USGS numerical modeling software to map the concentration levels and transport of air and groundwater pollutants. GEO Associates numerical modeling expertise, combined with their advanced knowledge of meteorological, geophysical and geological data gathering and processing, provides strong support to the attorney and client for cases involving Air Pollution, Reduced Visibility, Severe Storms, Groundwater Contamination, Flooding, Wind Damage and Hazardous Material Spills and Releases to Air and/or Water, which result in accidents, contamination of aquifers, toxic air, property damage, personal injury and death.

Services Include:

Forensic Geology

Industrial Groundwater Pollution

Toxic Tort Strategy

Environmental Surface and Groundwater Pollution

Mapping of Surface and Groundwater Contamination

Forensic Hydrology

Groundwater Computer Modeling

Aquifer Systems Analysis

Hazardous Spill Releases

Geological and Geophysical Data Acquisition, Processing and Analysis

Geological and Geophysical Mapping of Reservoirs

Observational Field Programs

Reflection and Refraction Seismology

Forensic Seismology

Seismic Investigations

Oil and Gas Operations and Operator Performance

Marine and Land Seismic Operations

Value Analysis of Proprietary Geophysical and Geological Data

2D and 3D Reflection Seismology Modeling and Analysis

Fluid Dynamics and Reservoir Analysis

Toxic Fluid Migration

Class Action and Force Majeure Cases

Vincent A. Ettari, P.E., P.C. specializes in many fields of Civil, Structural, Site, Coastal, Safety & Environmental Engineering, including the Design & Analysis of:

• Structures, Buildings, Houses, Dwellings
• Foundations, Footings, Elevators, Retaining Walls, Dams
• Development Plan & Plats for Sites, Properties, and Residences
• Underground & Subsurface Chamber / Chambers
• Scaffold, Scaffolds, Scaffolding
• Site Plans & Subdivisions: Industrial, Commercial, Residential
• Roads, Roadways, Ramps, Walks, & Man Hole Cover / Covers
• Sidewalks, Walkways, Paths & Pathways
• Lighting: Lamps, Lights, Lamp Poles, Light Levels
• Luminaries & Illumination (Specifications)
• Rock Cuts & Blasting (Topography, Specification)
• Soil Slopes / Samples / Mechanics / Geotechnical Engineers
• Sanitary Facilities, Septic Systems (Board of Health Septics Approval)
• BOHA / DEP Approvals
• Water, Drains, Drainage, Sewer & Sewage Lines & Mains
• Culvert / Culverts, Manholes (Man Holes) & Catchbasins / Catch Basins
• Inspection, Supervision, and Certification of Construction
• House Inspector & Inspections
• Road, Roadway, Walk & Sidewalk Premises Liability (e.g., Steep Slope)
• Walkway, Path, Ramp & Pathway Premise Liability (e.g., Steep Grade)
• Coefficient of Friction / Slip & Fall (Snowy & Icy Conditions)
• Vertical Discontinuity / Discontinuities / Trip & Falls
• Small Ports / Port, Marinas / Marina, Marine Dredging
• Levees, Jetties, Dolphins, Piers, Sea & Flood Walls
• Wharves, Breakwaters, Bulkheads, Weirs, & Revetments
• Groins, Dikes and Waterfront Structures
• Drainage Basin Analysis, Rainfall, Floods & Flood Plain / Plains
• Flooding Controls & Control Devices
• Storm Water Runoff (10, 25, 50 & 100 Year Storms)
• Pressure & Pressures: Wind, Wave / Waves, Ice, Snow
• Rain Fall Run Off & Storm Water Pollution Treatment
• Excavation, Grading, Fills & Filling Operations (Swales, Berms, Silt Fence)
• Erosion Control, Sediment Barriers, Sedimentation / Catch Basins (Hay Bales)
• Pumps and Pump System Line & Main
• Slope, Dam, Levee, Jetty, Dolphin, Pier, Wharf & Breakwater Collapse
• Bulkhead, Weir, Revetment, Groin, Dike, Footing & Foundation Failures
• Failure of Fire Containment Wall, Elevator or Water Front Structure
• Tenement House Façade Collapses
• Code History of Existing Multiple / Multi-Family Dwelling / Building
• Application of Municipal Building, Fire & Property Maintenance Codes
• City, Town & Village Zoning, Planning, Steep Slopes & Grades, Wetland & Wetlands Ordinances
• Testimony at Board Meetings as a Design Forensics Engineer

Dr. James J. Connors is a certified Professional Hydrologist and a licensed Professional Geoscientist with more than 38 years of experience. He has worked across the U.S. and in New Zealand on hydrological, hydrogeological, and environmental consulting projects / cases. Dr. Connors has also taught university-level hydrology and hydrogeology, received several awards for his professional and teaching / academic service activities, and been designated as an expert witness in more that 50 cases.  

His clients have included private citizens, attorneys, insurance companies, consulting firms, government agencies, & public / private companies. He has worked on sites contaminated with PFAS compounds, PCBs, benzene / BTEX, metals, chlorinated solvents, mercury, arsenic, nutrients, pesticides / nerve agents, herbicides, radiation, VOCs / SVOCs, disinfectants & related by-products, landfill leachate, crude oil & brine, fuel, explosives, unexploded ordinance, etc. His work has been at various facilities including oil, gas, & gasoline pipelines; landfills; chemical plants; leaking above-ground tanks & UST sites; refineries; fertilizer plants, casinos; neighborhoods & apartment / housing complexes; junk yards; theme parks; bottled water plants; agricultural & animal facilities (oyster, fish, alligator, & dairy / CAFO); construction sites; estuaries & bays; commercial & residential properties; beaches, rivers, ponds, & lakes; oil & gas fields; accident sites; railroad facilities; airports; water & sewage treatment plants; chemical & oil spill sites; military bases; & others.

Dr. Connors' hydrology consulting services include:

• Contamination Assessments/Investigations
• Stormwater Inspections & Management (BMPs)
• Groundwater Modeling & Statistical Analysis
• Contract Research into Environmental Issues
• Presentations to the Public & Regulatory Agencies

View Dr. James J. Connors' Expert Witness Profile