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Vadose Zone services for Soil and Groundwater

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    Remedial System Installation Service

    Soil Vapor Extraction (SVE) is an in-situ remediation technology for the physical treatment of volatile and semi-volatile contaminants in the vadose zone (unsaturated soils) (EPA, 2012). Soil Vapor Extraction is also referred to as in-situ soil venting or vacuum extraction. It is based on a mass transfer of contaminants from the solid and liquid ...

    By Environmental Remediation Contractor based in Groveport, OHIO (USA). from Construction Services Service line

  • Soil and Groundwater Bioremediation

    Bioremediation is a well established technique for the remediation of organic contamination in soils. It can be carried out with the soil remaining in place (in-situ) or with excavated soil (ex-situ).

    By Telluric Land Remediation Ltd based in Cardiff, UNITED KINGDOM.

  • Bio-Venting Services

    Bio-venting is often most appropriate for sites contaminated with low-volatility hydrocarbons (i.e. diesel fuel). A bio-vent system is designed similarly to an SVE system, but it operates at a lower flow rate with the goal of elevating oxygen levels in the vadose zone. Bio-venting systems are typically operated in a manner that does not require ...

    By Blue Rock Environmental, Inc. based in Foster City, CALIFORNIA (USA). from Feasibility Studies and Remediation Service line

  • Groundwater Resources Services

    GSA has extensive experience related to groundwater resources and managed aquifer recharge having conducted over 30 groundwater recharge projects in the western United States, with a total recharge capacity exceeding 500,000 acre-feet per annum. GSA also specializes in the design and installation of innovative vadose zone and groundwater ...

    By GeoSystems Analysis, Inc. based in Tucson, ARIZONA (USA).

  • Remediation Services

    As part of property transactions, risk assessment, and risk-based corrective action (RBCA), Blackstone combines site assessment, financial risk management, and remedial action to quantify the environmental risks, remedial costs, and project duration for potential property purchasers.

    By Blackstone Consulting based in Portland, MAINE (USA).

  • Water-Resource Studies Service

    Given the protracted nature of many water-resource problems, it is critical that a consultant has the ability to define and focus on the relevant issues in order to develop timely and cost-effective solutions.

    By S.S. Papadopulos and Associates, Inc based in Bethesda, MARYLAND (USA). from Our Expertise Service line

  • Retaining Wall Design

    We have experience of retaining wall design for a wide range of private clients and landscaping architects.

    By Wilsham Consulting Ltd based in abingdon, UNITED KINGDOM.

  • Water Resources Services

    The SHIBATANI GROUP Inc. has long appreciated the importance of international collaboration and scientific information exchange. In this universal age of global communication, technology is not limited by geography; and hydrology remains a dynamic science set upon the global stage. We remain active and aggressive in the international water ...

    By The SHIBATANI GROUP Inc. based in Sacramento, CALIFORNIA (USA).

  • Mobile Remediation

    Dual-phase extraction uses a vacuum system to remove various combinations of contaminated groundwater, separate-phase petroleum product, and vapors from the subsurface. The system lowers the water table around the well, exposing more of the formation. Contaminants in the newly exposed vadose zone are then accessible to vapor extraction. Once above ...

    By Fruits & Associates based in Acworth, GEORGIA (US) (USA).

  • Air Sparging and Bioventing

    Air sparging is a very effective method of remediating sites contaminated with petroleum hydrocarbons and causes minimum disturbance to site activities. It is most effective at sites with homogeneous, high permeability soils and unconfined aquifers. Air sparging results in the physical removal of VOCs from below the water table (e.g. components of ...

    By Telluric Land Remediation Ltd based in Cardiff, UNITED KINGDOM.

  • Ecohydrology Projects Service

    SSP&A has applied its recognized expertise in groundwater, surface water, and environmental science to several ecohydrology projects.

    By S.S. Papadopulos and Associates, Inc based in Bethesda, MARYLAND (USA). from Our Expertise Service line

  • Bioremediation Services

    The bioremediation discipline is a multidisciplinary field led by microbiologists and supported by a range of other professionals. Working closely with remediation engineers, microbiologists have developed bioremediation to a point now demonstrated to be effective in environmental cleanups throughout the country and overseas. Many such projects ...

    By I2M Associates, LLC based in Houston, TEXAS (USA).

  • Environmental Modeling Services

    Mathematical models, such as those capable of simulating groundwater flow and chemical transport, are ideal tools for solving complex environmental problems. Application of mathematical models in support of development/management of water resources, performing risk assessments, and remediating contaminant plumes is well documented and highly ...

    By ETIC Engineering, Inc. based in Pleasant Hill, CALIFORNIA (USA).

  • Soil Vapor Extraction & Treatment

    This technology is a tried and true approach at removing volatile contaminants from the subsurface. It is leverages the physical properties of volatile contaminants to remediate the site. Blue Rock typically uses SVE to remove gasoline contamination from the vadose zone, and to reduce free-phase gasoline floating on the water table. This is ...

    By Blue Rock Environmental, Inc. based in Foster City, CALIFORNIA (USA). from Feasibility Studies and Remediation Service line

  • Vapor Intrusion Services

    EKI provides consulting services related to the assessment and mitigation of vapor intrusion. We have developed conceptual site models and performed site investigations using approaches ranging from shallow soil vapor surveys to multi-depth wells to investigate deep vadose zones, as well as the collection of sub-slab vapor and indoor air samples ...

    By Erler & Kalinowski, Inc. (EKI) based in Burlingame, CALIFORNIA (USA). from Environmental Services Service line

  • Monitoring and Research Services

    GSA has earned a leading reputation in designing and implementing monitoring systems and developing research programs to evaluate hydrologic and ecological processes. GSA has deployed and maintained instrumentation for long-term monitoring of climate, vadose zone flow and transport, surface water flow and quality, and groundwater elevation and ...

    By GeoSystems Analysis, Inc. based in Tucson, ARIZONA (USA).

  • Groundwater Investigations & Remediation

    Groundwater Quality Assessment Aquifer Pumping and Recovery Tests Groundwater Modeling (Hydraulic Parameters and Fate and Transport) Remedial Technology Alternatives Analysis Remediation System Design and Installation RCRA Compliance Monitoring RCRA Facility Investigations RCRA Corrective Measures Studies CERCLA Remedial Investigation and ...

  • Water Resource Services

    Human activities interact with our natural hydrologic environment in many ways. As water demand grows, the need for effective management and efficient use is greater. The CES approach to water resource management challenges is to use science and engineering to create solutions that leverage natural site features to reduce cost and improve water ...

    By Cascade Earth Sciences (CES) based in Albany, OREGON (USA).

  • Ex-Situ and In-Situ Solution

    BioStryke’s anaerobic processes leverage existing environmental conditions. Depending on the level of contamination, soil conditions usually become anaerobic —an ideal environment for the effective deployment of BioStryke’s solutions. BioStryke™ ERDENHANCED™ eliminates the need for above-ground, energy consuming ...

    By BioStryke - Plant Products Co., Ltd. based in Andover, NEW HAMPSHIRE (USA).

  • Environmental Site Assessments & Investigations

    Conducting Phase I Environmental Site Assessments and Surveys for Asbestos, Lead-Based Paint; Mold and Indoor Air Quality for Real Estate Transactions and Due Diligence for Property Transfers; Performing Soil and Groundwater Characterization for Assessing Environmental Contamination of Residential, Agricultural; Commercial and Industrial ...

    By PES Environmental Inc. based in Novato,, CALIFORNIA (USA).

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