Expert Services
Geo-Logic Associates provides technical expertise to attorneys and mediators in support of environmental, water resource, and water rights and real estate legal disputes.
Credible Science. Defensible Opinions.
Expert testimony and deposition grounded in sound science, technical integrity, and real-world experience helps clients navigate litigation, mediation, and dispute resolution with confidence.
Our staff includes specialists in hydrology, hydrogeology, geochemistry, and contaminant fate and transport, and has presented expert testimony and deposition in litigation. We support legal teams by offering technical expertise in:
- Providing technical assistance during litigation, mediation, settlement negotiations, or alternative dispute resolution (ADR)
- Developing expert opinion reports and declarations
- Providing expert testimony and depositions
- Developing and managing environmental databases, courtroom exhibits, and visualizations
- Providing confidential consulting during all phases of dispute resolution
Market Leader
Areas of Expertise
Water resources and rights
R. Douglas Bartlett, RG – Scottsdale, AZ
- Groundwater contamination
- Water resources
- Groundwater modeling
Neil Blandford, PG – Albuquerque, NM
- Groundwater and contaminant transport modeling
- Water rights analysis
- Water supply investigations
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Bill Loughlin, PG – Park City, CA
- Water rights analysis
- Hydrogeology
- Expert witness testimony for water-related litigation
- Water supply investigations
Rick Mitchell, PG, CEG - Petaluma, CA
- Expert testimony
Tony Morgan, PG, CHG – Ontario, CA
- Groundwater supply development
- Sustainable Groundwater Management Act (SGMA)
- Water rights
Roger Peery, CPG, PG – Albuquerque, NM
- Expert testimony
- Water supply wells
- Hydrogeology
- Water rights
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
John Shomaker, PhD, PG – Albuquerque, NM
- Water rights
- Expert testimony
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Todd Umstot – Albuquerque, NM
- Expert testimony on recharge, runoff, specific yield, aquifer testing, and water availability
- Water rights transfer and change-of-use evaluations for surface and groundwater rights
- Groundwater and surface water modeling in support of water rights appropriation and adjudication proceedings
- Basin-scale recharge and runoff modeling integrating climate, soils, vegetation, and remote-sensing data
Christopher Wolf, PG – Albuquerque, NM
- Geochemistry and water quality
- Water supply wells
- Expert testimony and litigation support
Water supply well design and construction
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Marvin Glotfelty, RG – Scottsdale, AZ
- Litigation support related to water wells and hydrogeologic evaluations
- Forensic Consultant
- Direct expert and rebuttal testimony in deposition, mediation, and adjudication hearings
- Comprehensive water resources evaluation for large rate cases
- Reports including direct evidence, written rebuttal testimony, written surrebuttal testimony, written rejoinder testimony
- Oral expert testimony and response to cross-examination
Gary Lass, PG, CEG, CHG – Ontario, CA
- Expert testimony
Bill Loughlin, PG – Park City, UT
- Water rights analysis
- Hydrogeology
- Expert witness testimony for water-related litigation
- Water supply investigations
Tony Morgan, PG, CHG – Ontario, CA
- Groundwater supply development
- Sustainable Groundwater Management Act (SGMA)
- Water rights
Roger Peery, CPG, PG – Albuquerque, NM
- Expert testimony
- Water supply wells
- Hydrogeology
- Water rights
John Shomaker, PhD, PG – Albuquerque, NM
- Water rights
- Expert testimony
Christopher Wolf, PG – Albuquerque, NM
- Geochemistry and water quality
- Water supply wells
- Expert testimony and litigation support
GIS mapping and analysis
Kenny Calhoun, GISP – Albuquerque, NM
- GIS
- Aerial photography and satellite imagery analysis
- Historical land use and property boundary issues
- Environmental database development
- Expert testimony and litigation support
Groundwater modeling
R. Douglas Bartlett, RG – Scottsdale, AZ
- Groundwater contamination
- Water resources
- Groundwater modeling
Neil Blandford, PG – Albuquerque, NM
- Groundwater and contaminant transport modeling
- Water rights analysis
- Water supply investigations
Farag Botros, PhD, PE – Ontario, CA
- Groundwater flow modeling
- Contaminant transport modeling
- Vadose zone modeling
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Daniel J. Drommerhausen, PG – Chicago, IL Area
- Expert testimony during the landfill siting process
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Gary Lass, PG, CEG, CHG – Ontario, CA
- Expert testimony
Rick Mitchell, PG, CEG - Petaluma, CA
- Professional opinions regarding planning, construction dewatering, erosion control and protection, stormwater, landslide and stability issues
- Geoscience and environmental characterization
- Permitting, design, construction, and cost or cost recovery-related issues
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
Todd Umstot – Albuquerque, NM
- Groundwater flow and transport modeling (MODFLOW, MODFLOW-SURFACT, MT3D, SEAWAT) across variable-density, karst, and fault-influenced settings
- Integrated surface water-groundwater modeling incorporating watershed and land-surface models
- Groundwater availability and sustainable yield modeling to support water resource planning and litigation
- Groundwater modeling of complex mountain-block hydrogeology and geologic structural controls on flow
Contaminant hydrogeology
R. Douglas Bartlett, RG – Scottsdale, AZ
- Groundwater contamination
- Water resources
- Groundwater modeling
Neil Blandford, PG – Albuquerque, NM
- Groundwater and contaminant transport modeling
- Water rights analysis
- Water supply investigations
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Daniel J. Drommerhausen, PG – Chicago, IL Area
- Expert testimony during the landfill siting process
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Douglas Mauntel, PE – Springfield, IL
- Expert testimony for permitting, remediation, and corrective action measures
Rick Mitchell, PG, CEG - Petaluma, CA
- Retained by legal firms to provide professional opinions regarding planning, construction dewatering, erosion control and protection, stormwater, landslide and stability issues
- Geoscience and environmental characterization
- Permitting, design, construction, and cost or cost recovery-related issues
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
Todd Umstot – Albuquerque, NM
- Numerical and analytical modeling of contaminant fate and transport in groundwater (MTBE, chlorinated solvents, perchlorate, chromium, arsenic)
- Numerical modeling of contaminant transport in the vadose zone to evaluate timing and impact to groundwater
- Rebuttal analysis of opposing experts’ modeling assumptions and methodology
Vadose zone hydrology
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
Todd Umstot – Albuquerque, NM
- Vadose zone modeling (HYDRUS, TOUGH-TMVOC) of contaminant migration, DNAPL/LNAPL transport, and recharge processes
- Field-calibrated vadose zone models using flux, water content, and capillary pressure monitoring data
- Inverse modeling
Site investigation and remediation
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Daniel J. Drommerhausen, PG – Chicago, IL Area
- Expert testimony during the landfill siting process
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Gary Lass, PG, CEG, CHG – Ontario, CA
- Expert testimony
Neven Matasovic, PhD, PE, GE – Costa Mesa, CA
- Technical support to counsel for cost allocation and failure investigation cases
- Technical expert, testifying expert, factual witness
- Landslide evaluation, mitigation design and construction observation and management of landslide repairs
Roger Peery, CPG, PG Albuquerque, NM
- Expert testimony
- Water supply wells
- Hydrogeology
- Water rights
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
PFAS
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Rick Mitchell, PG, CEG - Petaluma, CA
- Retained by legal firms to provide professional opinions regarding planning, construction dewatering, erosion control and protection, stormwater, landslide and stability issues
- Geoscience and environmental characterization
- Permitting, design, construction, and cost or cost recovery-related issues
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Carbon capture and storage
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Geotechnical engineering
Neven Matasovic, PhD, PE, GE – Costa Mesa, CA
- Technical support to counsel for cost allocation and failure investigation cases
- Technical expert, testifying expert, factual witness
- Landslide evaluation, mitigation design and construction observation and management of landslide repairs
William (Bill McCormick, PG, CEG – Santa Rosa, CA
- Expert witness testimony for geologic, geotechnical and fault studies
- Landslide evaluation, mitigation design and construction observation and management of landslide/erosion repairs
- Forensic engineering geologic and geotechnical studies
Solid waste
Daniel J. Drommerhausen, PG – Chicago, IL Area
- Expert testimony during the landfill siting process
Bradley Hunsberger, LPG – Springfield, IL
- Expert testimony for permitting and corrective action measures
- Expert testimony for geologic and hydrogeologic issues relating to public health, safety, and welfare for non-hazardous special waste disposal and mining related facilities
Steven Gobleman, PE, LPG – Springfield, IL
- Expert Witness Testimony
- Review & Evaluation Licensed Professional Engineer (RELPE)
Gary Lass, PG, CEG, CHG – Ontario, CA
- Expert Testimony
Neven Matasovic, PhD, PE, GE – Costa Mesa, CA
- Technical support to counsel for cost allocation and failure investigation cases
- Technical expert, testifying expert, factual witness
- Landslide evaluation, mitigation design and construction observation and management of landslide repairs
Doug Mauntel, – Springfield, IL
- Expert Testimony
- Solid waste engineering and landfill design
- Landfill siting, expansion, permitting, and compliance
- Construction quality assurance (CQA) and earthwork oversight
- Geotechnical engineering and stability analysis
William (Bill) McCormick, PG, CEG – Santa Rosa, CA
- Expert witness testimony for geologic, geotechnical and fault studies
- Landslide evaluation, mitigation design and construction observation and management of landslide/erosion repairs
- Forensic engineering geologic and geotechnical studies
Devin Moose, PE, DEE – Chicago, IL Area
- Expert Testimony
Neil C. Nowak, PE – Denver, CO Area
- Expert testimony for landfill gas migration
- Technical expert testimony for geomembrane lined surface impoundments
- Technical expert construction contracting
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
Geochemistry
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Christopher Wolf, PG – Albuquerque, NM
- Geochemistry and water quality
- Water supply wells
- Expert testimony and litigation support
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
Water resources and rights
R. Douglas Bartlett, RG – Scottsdale, AZ
- Groundwater contamination
- Water resources
- Groundwater modeling
Neil Blandford, PG – Albuquerque, NM
- Groundwater and contaminant transport modeling
- Water rights analysis
- Water supply investigations
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Bill Loughlin, PG – Park City, CA
- Water rights analysis
- Hydrogeology
- Expert witness testimony for water-related litigation
- Water supply investigations
Rick Mitchell, PG, CEG - Petaluma, CA
- Expert testimony
Tony Morgan, PG, CHG – Ontario, CA
- Groundwater supply development
- Sustainable Groundwater Management Act (SGMA)
- Water rights
Roger Peery, CPG, PG – Albuquerque, NM
- Expert testimony
- Water supply wells
- Hydrogeology
- Water rights
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
John Shomaker, PhD, PG – Albuquerque, NM
- Water rights
- Expert testimony
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Todd Umstot – Albuquerque, NM
- Expert testimony on recharge, runoff, specific yield, aquifer testing, and water availability
- Water rights transfer and change-of-use evaluations for surface and groundwater rights
- Groundwater and surface water modeling in support of water rights appropriation and adjudication proceedings
- Basin-scale recharge and runoff modeling integrating climate, soils, vegetation, and remote-sensing data
Christopher Wolf, PG – Albuquerque, NM
- Geochemistry and water quality
- Water supply wells
- Expert testimony and litigation support
Water supply well design and construction
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Marvin Glotfelty, RG – Scottsdale, AZ
- Litigation support related to water wells and hydrogeologic evaluations
- Forensic Consultant
- Direct expert and rebuttal testimony in deposition, mediation, and adjudication hearings
- Comprehensive water resources evaluation for large rate cases
- Reports including direct evidence, written rebuttal testimony, written surrebuttal testimony, written rejoinder testimony
- Oral expert testimony and response to cross-examination
Gary Lass, PG, CEG, CHG – Ontario, CA
- Expert testimony
Bill Loughlin, PG – Park City, UT
- Water rights analysis
- Hydrogeology
- Expert witness testimony for water-related litigation
- Water supply investigations
Tony Morgan, PG, CHG – Ontario, CA
- Groundwater supply development
- Sustainable Groundwater Management Act (SGMA)
- Water rights
Roger Peery, CPG, PG – Albuquerque, NM
- Expert testimony
- Water supply wells
- Hydrogeology
- Water rights
John Shomaker, PhD, PG – Albuquerque, NM
- Water rights
- Expert testimony
Christopher Wolf, PG – Albuquerque, NM
- Geochemistry and water quality
- Water supply wells
- Expert testimony and litigation support
GIS mapping and analysis
Kenny Calhoun, GISP – Albuquerque, NM
- GIS
- Aerial photography and satellite imagery analysis
- Historical land use and property boundary issues
- Environmental database development
- Expert testimony and litigation support
Groundwater modeling
R. Douglas Bartlett, RG – Scottsdale, AZ
- Groundwater contamination
- Water resources
- Groundwater modeling
Neil Blandford, PG – Albuquerque, NM
- Groundwater and contaminant transport modeling
- Water rights analysis
- Water supply investigations
Farag Botros, PhD, PE – Ontario, CA
- Groundwater flow modeling
- Contaminant transport modeling
- Vadose zone modeling
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Daniel J. Drommerhausen, PG – Chicago, IL Area
- Expert testimony during the landfill siting process
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Gary Lass, PG, CEG, CHG – Ontario, CA
- Expert testimony
Rick Mitchell, PG, CEG - Petaluma, CA
- Professional opinions regarding planning, construction dewatering, erosion control and protection, stormwater, landslide and stability issues
- Geoscience and environmental characterization
- Permitting, design, construction, and cost or cost recovery-related issues
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
Todd Umstot – Albuquerque, NM
- Groundwater flow and transport modeling (MODFLOW, MODFLOW-SURFACT, MT3D, SEAWAT) across variable-density, karst, and fault-influenced settings
- Integrated surface water-groundwater modeling incorporating watershed and land-surface models
- Groundwater availability and sustainable yield modeling to support water resource planning and litigation
- Groundwater modeling of complex mountain-block hydrogeology and geologic structural controls on flow
Contaminant hydrogeology
R. Douglas Bartlett, RG – Scottsdale, AZ
- Groundwater contamination
- Water resources
- Groundwater modeling
Neil Blandford, PG – Albuquerque, NM
- Groundwater and contaminant transport modeling
- Water rights analysis
- Water supply investigations
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Daniel J. Drommerhausen, PG – Chicago, IL Area
- Expert testimony during the landfill siting process
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Douglas Mauntel, PE – Springfield, IL
- Expert testimony for permitting, remediation, and corrective action measures
Rick Mitchell, PG, CEG - Petaluma, CA
- Retained by legal firms to provide professional opinions regarding planning, construction dewatering, erosion control and protection, stormwater, landslide and stability issues
- Geoscience and environmental characterization
- Permitting, design, construction, and cost or cost recovery-related issues
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
Todd Umstot – Albuquerque, NM
- Numerical and analytical modeling of contaminant fate and transport in groundwater (MTBE, chlorinated solvents, perchlorate, chromium, arsenic)
- Numerical modeling of contaminant transport in the vadose zone to evaluate timing and impact to groundwater
- Rebuttal analysis of opposing experts’ modeling assumptions and methodology
Vadose zone hydrology
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
Todd Umstot – Albuquerque, NM
- Vadose zone modeling (HYDRUS, TOUGH-TMVOC) of contaminant migration, DNAPL/LNAPL transport, and recharge processes
- Field-calibrated vadose zone models using flux, water content, and capillary pressure monitoring data
- Inverse modeling
Site investigation and remediation
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Daniel J. Drommerhausen, PG – Chicago, IL Area
- Expert testimony during the landfill siting process
Steven T. Finch, Jr., CPG – Albuquerque, NM
- Expert testimony
Gary Lass, PG, CEG, CHG – Ontario, CA
- Expert testimony
Neven Matasovic, PhD, PE, GE – Costa Mesa, CA
- Technical support to counsel for cost allocation and failure investigation cases
- Technical expert, testifying expert, factual witness
- Landslide evaluation, mitigation design and construction observation and management of landslide repairs
Roger Peery, CPG, PG Albuquerque, NM
- Expert testimony
- Water supply wells
- Hydrogeology
- Water rights
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Daniel B. Stephens, PhD, PHG, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Remedial action programs
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
PFAS
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Rick Mitchell, PG, CEG - Petaluma, CA
- Retained by legal firms to provide professional opinions regarding planning, construction dewatering, erosion control and protection, stormwater, landslide and stability issues
- Geoscience and environmental characterization
- Permitting, design, construction, and cost or cost recovery-related issues
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Carbon capture and storage
Gregory Schnaar, PhD, PG – Silver Spring, MD
- Groundwater and vadose zone flow and contaminant transport
- Basin-scale hydrologic studies and safe-yield analysis
- Carbon capture and storage
Geotechnical engineering
Neven Matasovic, PhD, PE, GE – Costa Mesa, CA
- Technical support to counsel for cost allocation and failure investigation cases
- Technical expert, testifying expert, factual witness
- Landslide evaluation, mitigation design and construction observation and management of landslide repairs
William (Bill McCormick, PG, CEG – Santa Rosa, CA
- Expert witness testimony for geologic, geotechnical and fault studies
- Landslide evaluation, mitigation design and construction observation and management of landslide/erosion repairs
- Forensic engineering geologic and geotechnical studies
Solid waste
Daniel J. Drommerhausen, PG – Chicago, IL Area
- Expert testimony during the landfill siting process
Bradley Hunsberger, LPG – Springfield, IL
- Expert testimony for permitting and corrective action measures
- Expert testimony for geologic and hydrogeologic issues relating to public health, safety, and welfare for non-hazardous special waste disposal and mining related facilities
Steven Gobleman, PE, LPG – Springfield, IL
- Expert Witness Testimony
- Review & Evaluation Licensed Professional Engineer (RELPE)
Gary Lass, PG, CEG, CHG – Ontario, CA
- Expert Testimony
Neven Matasovic, PhD, PE, GE – Costa Mesa, CA
- Technical support to counsel for cost allocation and failure investigation cases
- Technical expert, testifying expert, factual witness
- Landslide evaluation, mitigation design and construction observation and management of landslide repairs
Doug Mauntel, – Springfield, IL
- Expert Testimony
- Solid waste engineering and landfill design
- Landfill siting, expansion, permitting, and compliance
- Construction quality assurance (CQA) and earthwork oversight
- Geotechnical engineering and stability analysis
William (Bill) McCormick, PG, CEG – Santa Rosa, CA
- Expert witness testimony for geologic, geotechnical and fault studies
- Landslide evaluation, mitigation design and construction observation and management of landslide/erosion repairs
- Forensic engineering geologic and geotechnical studies
Devin Moose, PE, DEE – Chicago, IL Area
- Expert Testimony
Neil C. Nowak, PE – Denver, CO Area
- Expert testimony for landfill gas migration
- Technical expert testimony for geomembrane lined surface impoundments
- Technical expert construction contracting
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
Geochemistry
John J. Dodge, PG, CHG – Costa Mesa, CA
- Soil and groundwater contaminant hydrogeology
- Site investigation and remediation
- Litigation support
Christopher Wolf, PG – Albuquerque, NM
- Geochemistry and water quality
- Water supply wells
- Expert testimony and litigation support
Nicole T. Sweetland, PhD, PG – Albuquerque, NM
- Hydrogeology
- Environmental forensics
- Contaminant fate and transport
