Category Archives: Groundwater Remediation

Biological Reduction of Selenium, Nitrates, Chromium, and Perchlorate

Description of the Biological Reduction Process Biological treatment is used in a wide range of water and wastewater treatment applications for the removal of biodegradable constituents. The biological treatment process can also be modified and used to reduce nitrates, oxides … Continue reading

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Water Treatment | Advanced Oxidation with Ozone Peroxide

Advanced Oxidation The advanced oxidation process is a proven technology for the oxidation of a wide range of compounds in water and groundwater impacted with BTEX, MtBE, TPH-g, total petroleum hydrocarbons as diesel (TPH-d), tert-butyl formate (TBF), tert-butyl alcohol (TBA), tert-amyl methyl ether (TAME), diisopropyl ether (DIPE), polyaromatic hydrocarbons (PAHs), trimethylbenzene, 1,4-dioxane, trichloroethylene (TCE), perchloroethylene (PCE), 1,2-dichloroethene (1,2-DCE), 1,1-dichloroethene (1,1-DCE), vinyl chloride, and tetrahydrofuran.

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Groundwater Remediation with Advanced Oxidation

The advanced oxidation process is a proven technology for the remediation groundwater impacted with Benzene-toluene-ethylbenzene-xylenes (BTEX), methyl tert-butyl ether (MtBE), TPH-g, tert-butyl formate (TBF), tert-butyl alcohol (TBA), tert-amyl methyl ether (TAME), diisopropyl ether (DIPE), polyaromatic hydrocarbons (PAHs), trimethylbenzene, 1,4-dioxane, trichloroethylene (TCE), perchloroethylene (PCE), 1,2-dichloroethene (1,2-DCE), 1,1-dichloroethene (1,1-DCE), vinyl chloride, and tetrahydrofuran. Continue reading

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Improving Environmental Process Operations with Instrumentation, Control, and Web Tools


Operator Training
To improve the operation of environmental processes, we identify process improvement opportunities which include process automation and control, process monitoring and data logging, process redesign, and operator training.

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Remediation of Soil and Groundwater | Underground Storage Tanks in California

We have extensive experience remediating soil and groundwater sites impacted by underground storage tanks (UST), UST decommissioning, soil excavation, tank and soil disposal, groundwater monitoring programs, health risk assessment, and closure support. Tank and Contaminant Source Removal Tank extraction services … Continue reading

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Feasibility Study, Remediation of Oxygenate Impacted Groundwater, Retail Gas Station, California

Advanced Oxidation of MTBE
A gas station located in Southern California had contaminated the groundwater with oxygenates.  The client was in need to contain plume of MTBE and TBA, which was migrating to an environmentally sensitive area. A feasibility study evaluating nine remediation scenarios was conducted to identify the best remediation option. Continue reading

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Treatment of Groundwater Impacted with 1,4-Dioxane, Westlake Village, California

Advanced Oxidation of 14 Dioxane
The development plan for a former media manufacturing site impacted with volatile organic compounds (VOCs) and 1,4-Dioxane in groundwater included the construction of a large development in Westlake Village California. A feasibility study concluded that a pump-and treat system consisting of an advanced oxidation process combined with liquid phase activated carbon (LPGAC) was required. The follow-up work included preparing a detailed design, preparing NPDES permits for storm water discharge, process flow diagrams, layout diagrams, and process and instrumentation diagrams. Continue reading

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Peer Review of Technical Specifications and Design, Remediation of a Waterfront Property, Long Beach, California

 The soil and groundwater at a waterfront property were heavily impacted with VOCs including chlorinated hydrocarbons. A remedial action plan outlined remediation activities at the Site consisting of soil excavation, offsite thermal treatment, soil disposal, and installation/operation of remediation … Continue reading

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Bench Scale Testing of Advanced Oxidation for MTBE

Advanced Oxidation of MTBE

The Merced County of Environmental Health office ordered a gas station located in Los Banos, California to mitigate a plume of MTBE. To mitigate the MTBE in groundwater, an advanced oxidation system was proposed for the site.A pilot test was performed to assess the impact of ozone on naturally occurring chromium in soil at the site.

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Feasibility Study, Remediation of Oxygenate Impacted Groundwater, California

Advanced Oxidation of MTBE
A gas station located in Southern California had impacted the groundwater with oxygenates. Prior to implementing a full-scale solution, a feasibility study was prepared to evaluate 9 in-situ remediation technologies and 9 ground-water treatment alternatives. Continue reading

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