Our mission is to provide cost-effective, innovative solutions to complex environmental and hydro- geologic problems. Our team of creative, experienced, and highly motivated people use their skills in consulting, modeling, engineering, and/or construction services to fully satisfy our customers. Our vision is to be a nationally recognized provider of cost-effective innovative solutions to our client's environmental and hydrological service needs.
Services
Hydro Geo Chem is a consulting firm that provides the mining industry with support in dewatering and environmental projects.
Hydro Geo Chem evaluated dewatering alternatives for a large, underground trona mine in Wyoming.
High groundwater inflows were encountered during tunnel construction through fractured granitic rocks, requiring expensive dewatering far in excess of that anticipated during project planning.
Waste water handling practices at a trona processing plant had created a brine plume in a fractured bedrock aquifer that discharged into a nearby river.
Hydro Geo Chem evaluated dewatering alternatives for a large, underground trona mine in Wyoming.
High groundwater inflows were encountered during tunnel construction through fractured granitic rocks, requiring expensive dewatering far in excess of that anticipated during project planning.
Waste water handling practices at a trona processing plant had created a brine plume in a fractured bedrock aquifer that discharged into a nearby river.
Hydro Geo Chem, Inc. (HGC) has provided high-quality, award winning environmental services to both the public and private sector.
We have experience on a variety of solid waste issues throughout the United States.
Working with numerous solid waste industry clients and regulators, we have applied innovative technologies such as aerobic stabilization of landfill waste; soil vapor extraction (SVE) and air injection (AI) to remove chlorinated hydrocarbon sources from deep vadose zones beneath unlined landfills; and pump-and-treat bio-enhancement technologies for contaminated groundwater plume containment and cleanup.
We have experience on a variety of solid waste issues throughout the United States.
Working with numerous solid waste industry clients and regulators, we have applied innovative technologies such as aerobic stabilization of landfill waste; soil vapor extraction (SVE) and air injection (AI) to remove chlorinated hydrocarbon sources from deep vadose zones beneath unlined landfills; and pump-and-treat bio-enhancement technologies for contaminated groundwater plume containment and cleanup.
Hydro Geo Chem performs Phase I and Phase II Environmental Site Assessments (ESAs) that meet the industry standard for environmental due diligence services for acquisitions and financing of commercial and industrial real estate and related consulting services.
Environmental assessments associated with these transactions often reveal recognized environmental conditions (RECs) that require follow-up and documented resolution.
Our professionals follow the due diligence process from inception through completion, and when RECs are encountered can identify a path that leads to a satisfactory outcome for all parties involved within the due diligence timeframe.
Environmental assessments associated with these transactions often reveal recognized environmental conditions (RECs) that require follow-up and documented resolution.
Our professionals follow the due diligence process from inception through completion, and when RECs are encountered can identify a path that leads to a satisfactory outcome for all parties involved within the due diligence timeframe.
An uncontrolled landfill, part of a federal enforcement action, had released numerous non-aqueous phase liquids (NAPL), including hydrocarbons and halogenated solvents.
Both soils and groundwater were highly contaminated.
A slurry wall installed by the EPA as an interim remedial measure exacerbated the problem because of rainfall accumulating within the slurry wall.
The final remedy in the Record of Decision (ROD) stipulated removal of half a million cubic yards of soil, with 90,000 cubic yards being incinerated.
Both soils and groundwater were highly contaminated.
A slurry wall installed by the EPA as an interim remedial measure exacerbated the problem because of rainfall accumulating within the slurry wall.
The final remedy in the Record of Decision (ROD) stipulated removal of half a million cubic yards of soil, with 90,000 cubic yards being incinerated.
Several holding ponds, including a 40-acre flue gas desulfurization (FGD) pond, had leaked into aquifers underlying a coal-fired power plant.
The only groundwater data available had been collected after pond leakage had affected area water levels.
Hydro Geo Chem was retained to define the impacts of FGD pond leakage and to determine operational and remedial alternatives.
We established the extent of FGD and other pond leakage by reconstructing the aquifers' historical flow fields by means of a 3-dimensional transient inverse model, by installing wells and conducting aquifer and tracer tests to determine aquifer parameters, by employing stable isotopes to identify the contributions from the various pond sources, by a spontaneous potential and seep-meter leakage survey of the FGD pond, and by modeling the fate and transport of salts from the ponds.
The only groundwater data available had been collected after pond leakage had affected area water levels.
Hydro Geo Chem was retained to define the impacts of FGD pond leakage and to determine operational and remedial alternatives.
We established the extent of FGD and other pond leakage by reconstructing the aquifers' historical flow fields by means of a 3-dimensional transient inverse model, by installing wells and conducting aquifer and tracer tests to determine aquifer parameters, by employing stable isotopes to identify the contributions from the various pond sources, by a spontaneous potential and seep-meter leakage survey of the FGD pond, and by modeling the fate and transport of salts from the ponds.
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