Vadose Zone News

  • Dr. Daniel B. Stephens recognized for contributions to NGWA

    Daniel B. Stephens, Ph.D., PG, PHg, founder and principal hydrologist, Daniel B. Stephens & Associates Inc., has received the 2016 Keith E. Anderson Award for outstanding contributions to the National Ground Water Association. “Throughout the last 42 years, Dan has served with energy and dedication, bringing forth his extensive hydrologic and geological experience, as well as ...

  • There is still time to register...Remediation in the Vadose Zone

    About This Webinar... TITLE: Remediation in the Vadose Zone SPEAKER: Brian Riha, Fellow Engineer, Savannah River National Laboratory DATE: December 6, 2012 TIME: 12:00PM – 1:00PM EST Contaminants entrapped in the vadose zone pose long-term threats to groundwater as contaminants leach ...


    By EOS Remediation, LLC

  • Restoring coastal wetlands? check the soil

    Rising sea levels and coastal development are threatening coastal freshwater wetlands with saltwater intrusion. While most ecosystem restoration projects have focused on surface water and groundwater, new research finds that conditions in the vadose zone, the unsaturated soil below the surface but above the water table, are of particular importance to seedling survival in coastal floodplain ...

  • Measuring global soil changes

    Global change is increasingly affecting important terrestrial ecosystem functions such as the filtering and buffering capacity of soils, the supply of clean water, soil fertility, and consequently, the production of food, feed, and fiber. Recent studies and reports from the United Nations indicate that water and soil resources are both heavily under pressure. Worldwide about 2 billion ha of land ...

  • EOS Remediation secures rights for vadose zone remediation by physical and biological means

    EOS Remediation, LLC, a developer and manufacturer of advanced technologies for groundwater restoration, and Savannah River Nuclear Solutions, LLC announced that they have signed an Exclusive Patent License Agreement.  This royalty-based agreement grants EOS Remediation an exclusive world-wide license to manufacture, use, and sell the technology known as VOS™, a “Thixotropic Gel for Vadose Zone ...


    By EOS Remediation, LLC

  • Bioremediation in vadose zone

    EOS Remediation, LLC, a developer and manufacturer of advanced technologies for groundwater restoration, and Savannah River Nuclear Solutions, LLC announced that they have signed an Exclusive Patent License Agreement. This royalty-based agreement grants EOS Remediation an exclusive world-wide license to manufacture, use, and sell the technology known as VOS™, a “Thixotropic Gel for Vadose Zone ...


    By EOS Remediation, LLC

  • Proposed new ASTM vadose zone standard to aid in vapor intrusion evaluations

    A proposed new practice being developed by ASTM Subcommittee D18.21 on Ground Water and Vadose Zone Investigations will cover techniques for actively collecting soil gas samples from the vadose zone beneath buildings. WK18835, Practice for Active Soil Gas Sampling in the Vadose Zone for Vapor Intrusion Evaluations, is under the jurisdiction of ASTM International Committee D18 on Soil and Rock. ...


    By ASTM International

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