• World Bank
• Asian Development Bank
• United Nations Development Programme
• Japan Bank for International Cooperation
• United Nations Industrial Development Organization
• World Health Organization
• United States Agency for International Development

• Environmental Impact Assessment
• Environmental Survey & Consultations
• Environmental Data Analysis & GIS mapping
• Environmental Sampling, Monitoring & Pollution Analysis (Air, Water & Soil)
• Environmental Clearance & Liaison with Statutory Authorities
• Industrial Site Visits and Identification of Suitable Waste Disposal Sites & Methodologies

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 40 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:

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

David Wilshaw, MS, PG has over 35 years of international experience in Engineering Geology, Geotechnics, Engineering Geophysics, Hydrogeology and Geoenvironmental Assessments. He is licensed as a Professional Geologist in Florida, Pennsylvania and Tennessee. Mr. Wilshaw is also a Chartered Geologist and Fellow of the Geological Society of London in the United Kingdom. Over a long career, Mr. Wilshaw has provided geological, geotechnical & geoenvironmental expertise for residential, commercial & retail development, public buildings and infrastructure, open pit and underground mining reclamation, power plants, roads, railroads and ports. He has extensive experience in pre-construction geohazard and contaminated land assessment. He has been the statutory Professional Geologist pursuant to s.627.707 Florida Statutes for more than 850 sinkhole insurance claims and he is a certified Neutral Evaluator (under s.627.7074 Florida Statutes). Mr. Wilshaw has extensive peer review & litigation experience, having provided expert witness testimony at over 150 depositions and over 40 jury trials. Mr. Wilshaw is also majority owner and President of Integrity Drilling & Geophysical Services, LLC, www.idgsfl.com, providing geotechnical drilling, soil testing and geophysical surveying throughout Florida. IGDS owns and operates four (4) SPT drilling rigs, GPR equipment and a soil testing laboratory. In 2019, he relocated Ground Stiffness Surveys Ltd from the UK to Florida and is President of successor company Ground Stiffness Surveys LLC, www.groundstiffnesssurveys.com

Consulting Services Include:

• Intrusive and Non-Intrusive Subsurface Exploration techniques
• Ground Subsidence
• Evaluation of Disputed Sinkhole Insurance Claims (defense & plaintiff)
• Development of Ground Stabilization and Improvement Schemes
• Landslip and Landslide Analysis
• Karst Geology Risk Assessments

View Expert Witness Profile.