Landfills - Sanitation Consultants: 4

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

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:

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

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.