Groundwater Sampling Applications

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  • Category: Soil & Groundwater ×

  • Subcategory: Groundwater Sampling ×

Data analysis and visualization tools for monitoring well decommissioning

by C Tech Development Corporation     based in Henderson, NEVADA (USA)

Contaminated groundwater sites worldwide are engaged in regular sampling of monitoring wells at a typical cost of $1,500 per well-sampling event. On most sites, many wells are redundant or geostatistically insignificant and can be decommissioned.
EVS-PRO and MVS`s Well Decommission module analyses all available data and quantifies the impact on site assessment quality associated with removing each well. The impact of removing a well is quantified in terms of its impact on the geostatistical plume extent.
During remediation plumes are shrinking and may drift. This can necessitate decommissioning of some wells and adding new wells. C Tech`s well decommissioning and DrillGuide© technology provide the tools to properly monitor and guide the remediation efforts at the lowest possible cost.

Solutions for the in-situ soil remediation

by The BioSolve Company     based in Lexington, MASSACHUSETTS (USA)

For over twenty years, BioSolve Pinkwater has been used for Surfactant Enhanced Remediation (SER) to mobilize and solubilize residual NAPL[i], facilitating its recovery and disposal. Depending on soil and plume characteristics, Pinkwater solution can reach contaminated zones through deep injection wells or be gravity fed from surface level injection galleries. After desorbing residual NAPL from soil surfaces on contact, Pinkwater then solubilizes the hydrocarbons in an aqueous emulsion, enabling extraction at down gradient recovery wells or trenches.

In-Situ Soil & Groundwater Remediation

by USP Technologies     based in Atlanta, GEORGIA (US) (USA)

The use of H2O2 to chemically oxidize the contaminants into mineralized products (CO2 , salts, and readily biodegradable organic fragments) offers a number of advantages over these current treatment methods. Benefits of Soil Decontamination by Chemical Oxidation: The reagent used (H2O2) is inexpensive, readily available, and has as its reaction products water and oxygen; The chemistry of the process (Fenton's Reagent) has been known for over 50 years and its applicability to a wide variety of contaminants is well documented; The process is easily applied and controlled; The treatment occurs rapidly, lasting from a few hours to a few weeks; The process produces no by-product wastestreams, and can be tuned for the degree of contaminant removal desired. This allows it to be used synergistically with other technologies such as biotreatment or soil washing.

Monitoring of VOCs in Porewater

by SORBISENSE     based in Tjele, DENMARK

Monitoring VOCs in porewater in the unsaturated zone is now possible.

Sorbisense regularly offers new options for using the patented Sorbicell, which is used to monitor surface water, wastewater and groundwater.

The latest is almost as “ground-breaking” as the SorbiCell itself. Until now it has been difficult, if not impossible, to directly monitor for volatile substances in pore water in the unsaturated zone. But the environmental consultancy firm Ejlskov A/S in Aarhus combined the use of Sorbisense sampling equipment with the proven technology of soil water samplers. With this combination, a practical new method is made available, which allows for monitoring the presence of porewater-dissolved VOCs above the groundwater table. This provides a significantly improved basis to define and determine the leaching risk to the groundwater, and thus allows for better and more cost-efficient decisions to prevent the pollution in reaching the groundwater.

A simple construction with multiple options

The application uses SorbiCell VOC combined with suction cells, soil water samplers. When installed correctly, and applied with the correct procedures, the suctions cells extract capillary bound water from the soil matrix. The system demands no other resource than a container that is put under vacuum. The vacuum in the container then ensures a flow through of the Sorbicell over a period of time, fx. 2-3 weeks. The method is highly suitable for monitoring a site over longer periods of time.

Rapid Site Cleanup, Closure & Resale

by TerraTherm, Inc.     based in Gardner, MASSACHUSETTS (USA)

We can help you achieve site closure and enable the sale or redevelopment of your site in a predictable timeframe with highly reliable results. This is made possible by: Our broad array of thermal remediation technologies, each tailored to the site-specific conditions and contaminants; Tested and proven field operations, processes, and teams; Expertise in designing projects to ensure outcomes without the need for further remediation; and, Our ability to assure a shorter project cycle and verification that goals are achieved by sampling before we shut down or demobilize.

Erosion control and separation for hydraulic works

by Mattex Geosynthetics     based in Dubai, UNITED ARAB EMIRATES

Tidal fluctuations and wave action can cause major damage to coastlines and off-shore construction projects. Nonwoven and specialty woven geotextiles can be used as a filter under layer beneath stone/ rock armour. Also riprap or synthetic erosion control mats are used to control erosion by disallowing the sub grade soil particles to erode. The geotextiles prevent erosion carried off by runoff water or other erosive waters, such as waves, stream flow, etc.

Customized Solutions for groundwater treatment industry

by WesTech Engineering, Inc.     based in Salt Lake City, UTAH (USA)

WesTech offers a wide variety of solutions for groundwater treatment for potable use. Whether your treatment objective is gas removal, iron & manganese removal, color removal, softening or even filtering a source under the direct influence of surface water, WesTech has your solution.

liquid filtration and paper making industry

by Hebei Nanrui Filtration Wire Mesh Co.,Ltd.     based in Shijiazhuang, CHINA

Filtration wire mesh can be cut as disc type and seamless frame,there are many different shapes,round,square,oval and polygon. Applications: stainless steel filter disc mesh used in,air,liquid separation,ruber industry,machine part washer,filter element,pressure filter leafs,extruder screen packs. Single layer is common design and we make double layers,three layers and five layers as clients request for different filter accuracy.filter disc material mainly are stainless steel wire,black wire cloth also available.Plastic frame and steel frame can be choosen. We have a great range stainless steel wire mesh and brass wire mesh in stock for making filter elements,so can make sure fast delivery to all clients from all over the world. Mesh scope: 2 x 2 mesh to 500 x 3500 in plain weave,plain dutch weave,twilled weave,twilled dutch weave.

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