Tag: groundwater
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Perchlorate Abatement Options | Water and Groundwater
Perchlorate is a known thyroid gland disruptor and its concentration is regulated in soil and groundwater. Read more about the water treatment options for perchlorate impacted groundwater.
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Soil and Soil Gas Investigation, San Fernando Valley, California
When seven production wells operated by a Southern California water purveyor reported concentrations of hexavalent chromium and perchlorate above regulatory limits for drinking water, a multiagency effort was conducted to identify the sources.
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Soil Vapor Extraction and Air Sparge Operation, California Refinery
A global oil and gas corporation commissioned the operation and maintenance of a soil and groundwater remediation system designed an active California refinery.
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Perchlorate Groundwater Investigation, Barstow, California
A Southern California regulatory agency suspected that illegal disposal of perchlorate had impacted the soil and groundwater of a residential property located in Barstow, California. A groundwater investigation project was conducted at a suspected source of perchlorate site, and extended 1.5 miles offsite. The groundwater investigation project fully delineated the extension of perchlorate impacted groundwater…
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About the Owner of this Site: Roberto Piñón, P.Eng., P.E.
Roberto Piñón, P. Eng., P.E. is a Senior Chemical Engineer and Project Manager with 17 years of experience working with environmental projects.
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Ion Exchange Systems for Removal of Metals and Inorganics
Description Ion Exchange is a process in which ions of a species are displaced from an insoluble exchange material (ion exchange resin) by ions of a different species in water. The removal of target ions is achieved through commercially available ion exchange resins that exchange target anions for chlorine (Cl-) or hydroxide ion (-OH), and…
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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 of selenium, hexavalent chrome, and perchlorate in water. The reduction of nitrates and perchlorate can…
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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 include permitting tank extraction with the corresponding regulatory agency (e.g., the Fire Department, County), tank…
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Feasibility Study, Remediation of Oxygenate Impacted Groundwater, Retail Gas Station, California
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.
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Treatment of Groundwater Impacted with 1,4-Dioxane, Westlake Village, California
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…