Mining Hydrology

• Hydrogeologic support for coal, metals, and uranium mining operations worldwide
• Water supply development and conveyance engineering
• Acid-mine drainage and water quality issues
• Slope stability and pit inflow analyses
• Geologic mapping, stratigraphic correlation, and structural interpretation
• Dewatering and pit progression design
• Mine waste and heap leach remediation
• Surface subsidence and aquifer collapse issues
• Reclamation and bond-release support
• Soils and vegetation geochemical sampling and analyses

Numerical Applications & Computer Modeling

• Ground-water flow modeling
• Geochemical modeling
• Equilibrium and nonequilibrium solute transport modeling
• LNAPL and DNAPL transport modeling
• Monte Carlo analyses
• Statistical parameter estimation
• Model prediction uncertainty
• Model and custom code development
• Geostatistics and probability analyses
• GIS database management and programming
• Custom design of database systems

Environmental Studies

• Environmental risk assessments
• CERCLA litigation support
• Environmental Management Systems (EMS)
• Regulatory compliance for landfill, impoundment, and storage facility closure
• Water augmentation plans
• Environmental impact studies and assessments
• Wetlands evaluation and biochemical studies
• Inventory and classification of vegetation communities
• Archeological and socioeconomic surveys
• Aerial photographic surveys and LANDSAT image interpretation
• Vegetation mapping and ecosystem delineation

Contaminant Characterization & Aquifer Evaluation

• Aquifer characterization
• Geochemical studies
• Isotopic analyses and age dating
• Vadose zone monitoring
• CERCLA/RCRA/UST site investigations
• Ground-water, surface-water, air and soils sampling
• Design and management of field investigations
• Waste-water effluent monitoring

Surface-Water Hydrology

• Stream channel characterization
• Sediment transport modeling
• Flood routing
• Water quality and flow monitoring
• Open-channel and pressure hydraulics
• Hydraulic modeling and structures design
• Basin development and conjunctive use management

Environmental Engineering

• Landfill leachate removal and treatment systems
• Design of hydraulic containment and barriers
• Site-selection and feasibility studies
• Feasibility studies for bioremediation and bioreclamation
• Above ground and in-situ soil and ground-water treatment
• Subsidence potential/foundation and seepage analyses
• Design of pump/treat and injection/extraction installations
• Waste water treatment system design and installation

Instruction & Training

• Organic and inorganic analyses per U.S. and South American regulatory requirements
• Analyses of water, soil, and vegetation
• Column and humidity cell tests
• Aquatic toxicity testing

Legal

• Expert Witness
• Technical litigation support