Expert Services
Geo-Logic Associates provides technical expertise to attorneys and mediators in support of environmental, water resource, and water rights legal disputes.
GLA experts have a reputation for possessing technical integrity and offering expert opinions based on sound science. Our staff includes specialists in hydrology, hydrogeology, geochemistry, and contaminant fate and transport, and has presented expert testimony and deposition in litigation.
We offer technical expertise in:
- Developing and managing environmental databases, courtroom exhibits, and visualizations
- Providing technical assistance during litigation, mediation, settlement negotiations, or alternative dispute resolution (ADR)
- Developing expert opinion reports and declarations
- Providing expert testimony and depositions
- Providing confidential consulting during all phases of dispute resolution
Market Leader
20+
Most PRPs in one case
12
Technical Experts
16/7
Depositions in State/Federal Court
100+
Successful outcomes
Experts
Water Rights
- Expert testimony
- Witness testimony
- Expert report
T. Neil Blandford, PG specializes in:
- Groundwater and contaminant transport modeling
- Water rights analysis
- Water supply investigations
R. Douglas Bartlett, PG specializes in:
-
- Groundwater contamination
- Water resources
- Groundwater modeling
Marvin Glotfelty, PG specializes in:
Tony Morgan, PG, CHG specializes in:
Daniel B. Stephens, PHD, PHG, PG specializes in:
Todd Umstot specializes in:
Environmental
Working closely with clients to develop effective strategies to resolve environmental concerns related to contaminated soil, groundwater, sediment, and indoor air, our experts are able to quickly integrate complex technical and legal issues to provide efficient solutions. Our experts often utilize technical tools, such as databases, GIS, environmental forensics, and modeling, to perform complex technical analyses that stand up to technical and legal scrutiny. DBS&A staff members have provided expert opinions and testimony in both state and federal court to resolve a wide range of environmental characterization, monitoring, and remediation problems.
Gregory Schnaar, PhD, PG specializes in:
- Emerging contaminant (e.g., PFAS)
- Groundwater and vadose zone flow and transport modeling
- Contaminant fate and transport
- Basin-scale hydrologic studies and safe-yield analysis
Nicole Sweetland, PhD, PG specializes in:
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
John J. Dodge, PG, CHG specializes in:
Solid Waste
Dan Drommerhauser specializes in:
Rick Mitchell specializes in:
Gary Lass specializes in:
Mining
Geotechnical
Neven Matasovic, PHD, PE, GE specializes in:
Neven Matasovic, PHD, PE, GE specializes in:
Kenneth Calhoun, GISP specializes in:
Geographic information systems (GIS)
Aerial and satellite imagery analysis
Environmental database development
R. Douglas Bartlett, PG
Expertise
Groundwater contamination
Water resources
Groundwater modeling
T. Neil Blandford, PG
Mr. Blandford is a Principal Hydrologist with more than 30 years of experience as an environmental consultant. He has led numerous projects involving complex technical, regulatory, and legal issues. One of Mr. Blandford’s specialties involves the development or application of quantitative models of groundwater flow and solute transport. He has supported his clients in many public forums and has testified as an expert in administrative hearings and trials regarding water supply, water quality, and regulatory issues.
Specializations
- Litigation support and expert testimony
- Water rights permitting
- Numerical simulation of groundwater flow and contaminant transport
- Hydrogeologic evaluations and site investigation
- Wellhead protection area delineation and source water determination
- Water supply investigations and forecasting
Gregory Schnaar, PHD, PG
Gregory Schnaar, PhD, PG, is a Principal Environmental Scientist and Hydrologist with more than 20 years of professional experience. He has provided expert support to clients for matters in state court. Learn more about Dr. Schnaar.
Expertise in:
- Groundwater and vadose zone flow and transport modeling
- Contaminant fate and transport
- Basin-scale hydrologic studies and safe-yield analysis
- Emerging Contaminants
Kenneth Calhoun, GISP
Expertise:
Geographic information systems (GIS)
Aerial and satellite imagery analysis
Environmental database development
Water Rights
- Expert testimony
- Witness testimony
- Expert report
T. Neil Blandford, PG specializes in:
- Groundwater and contaminant transport modeling
- Water rights analysis
- Water supply investigations
R. Douglas Bartlett, PG specializes in:
-
- Groundwater contamination
- Water resources
- Groundwater modeling
Marvin Glotfelty, PG specializes in:
Tony Morgan, PG, CHG specializes in:
Daniel B. Stephens, PHD, PHG, PG specializes in:
Todd Umstot specializes in:
Environmental
Working closely with clients to develop effective strategies to resolve environmental concerns related to contaminated soil, groundwater, sediment, and indoor air, our experts are able to quickly integrate complex technical and legal issues to provide efficient solutions. Our experts often utilize technical tools, such as databases, GIS, environmental forensics, and modeling, to perform complex technical analyses that stand up to technical and legal scrutiny. DBS&A staff members have provided expert opinions and testimony in both state and federal court to resolve a wide range of environmental characterization, monitoring, and remediation problems.
Gregory Schnaar, PhD, PG specializes in:
- Emerging contaminant (e.g., PFAS)
- Groundwater and vadose zone flow and transport modeling
- Contaminant fate and transport
- Basin-scale hydrologic studies and safe-yield analysis
Nicole Sweetland, PhD, PG specializes in:
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
John J. Dodge, PG, CHG specializes in:
Solid Waste
Dan Drommerhauser specializes in:
Rick Mitchell specializes in:
Gary Lass specializes in:
Mining
Geotechnical
Neven Matasovic, PHD, PE, GE specializes in:
Neven Matasovic, PHD, PE, GE specializes in:
Kenneth Calhoun, GISP specializes in:
Geographic information systems (GIS)
Aerial and satellite imagery analysis
Environmental database development
R. Douglas Bartlett, PG
Expertise
Groundwater contamination
Water resources
Groundwater modeling
T. Neil Blandford, PG
Mr. Blandford is a Principal Hydrologist with more than 30 years of experience as an environmental consultant. He has led numerous projects involving complex technical, regulatory, and legal issues. One of Mr. Blandford’s specialties involves the development or application of quantitative models of groundwater flow and solute transport. He has supported his clients in many public forums and has testified as an expert in administrative hearings and trials regarding water supply, water quality, and regulatory issues.
Specializations
- Litigation support and expert testimony
- Water rights permitting
- Numerical simulation of groundwater flow and contaminant transport
- Hydrogeologic evaluations and site investigation
- Wellhead protection area delineation and source water determination
- Water supply investigations and forecasting
Gregory Schnaar, PHD, PG
Gregory Schnaar, PhD, PG, is a Principal Environmental Scientist and Hydrologist with more than 20 years of professional experience. He has provided expert support to clients for matters in state court. Learn more about Dr. Schnaar.
Expertise in:
- Groundwater and vadose zone flow and transport modeling
- Contaminant fate and transport
- Basin-scale hydrologic studies and safe-yield analysis
- Emerging Contaminants
Kenneth Calhoun, GISP
Expertise:
Geographic information systems (GIS)
Aerial and satellite imagery analysis
Environmental database development
