aquifer characterization Articles

  • Data Requirements for Ground Water, Surface Water, and Leachate

    It is common for ground water to be contaminated with the water soluble substances found in overlying soils. Many of the required data elements are similar, e.g., pH, TOC, BOD, COD, oil and grease, contaminant identification and quantification, and soil and aquifer characterization. Additional water quality monitoring data elements include hardness, ammonia, total dissolved solids, and metals ...

  • Water Level Measurements-Part 1

    Confused about which instrumentation to use in your water level monitoring system? In-Situ offers two categories of pressure sensors for water level measurements: absolute or non-vented sensors, and gauged or vented sensors. They look the same and both measure pressure and water level, but they have drastically different applications, outputs and accuracy. The absolute (or non-vented) water level ...


    By In-Situ, Inc.

  • Direct-Push Injection and Circulation Biobarrier to Remediate a TCE Groundwater Plume

    ABSTRACT: The goal of this study was to determine if direct-push drilling methods combined with a circulation system could be used to establish a passive biobarrier in a very transmissive aquifer to treat tricholoroethene (TCE). The Site is located in central Indiana, where historic use of TCE has impacted an unconfined aquifer. A plume consisting primarily of TCE has migrated from west to east ...


    By EOS Remediation, LLC

  • Identification of groundwater contamination zone around a reclaimed landfill using carbon isotopes

    Chemical and isotopic analyses of groundwater from piezometers localized around a reclaimed landfill were performed in order to identify the boundaries of groundwater contamination zone. Spatial distribution of dissolved inorganic carbon (DIC) concentration and stable carbon isotopes in the groundwater was used to distinguish the piezometers localized within the contaminated aquifer. Background ...


    By IWA Publishing

  • GoForth, NC Case Study

    ABSTRACT Trap & Treat® BOS 200® was used to remediate petroleum hydrocarbon impacted groundwater within fractured bedrock and overburden soil at a former retail gasoline site in North Carolina. After a thorough remedial design characterization was completed, BOS 200® was surgically injected over two field events to successfully achieve the ...

  • Comparison of Eight Innovative Site Characterization Tools Used to Investigate

    Environmental assessment of contaminated sites often requires delineation of the pathways of contaminant migration. Often, the pathways are strongly affected by the subsurface geology. At Vandenberg AFB in California, an accidental release of gasoline containing MTBE occurred at a base gasoline station in 1994. Dissolution of the gasoline into groundwater has created a dissolved MTBE plume at ...


    By Solinst Canada Ltd.

  • Reductive Dechlorination Using HRC Reduces VOCs Towards MCLs

    Site Summary As part of the EPA Superfund Innovative Technology Evaluation (SITE) program, a pilot-scale study was conducted to determine the effectiveness of using HRC to reduce TCE concentrations in groundwater at the Fisherville Mill site in Grafton, MA. The Fisherville site is characterized by TCE contamination in a sand and gravel aquifer and is considered a brownfield site. Prior to HRC ...


    By Regenesis

  • Case Study: Manipulating Groundwater Redox Conditions for MTBE Remediation

    A pilot study was conducted to investigate the potential to foster anaerobic methyl tert butyl ether (MTBE) biodegradation. The pilot test site, located on Long Island, New York, is characterized as a glacial out-wash aquifer with a high groundwater velocity over 2 ft/day. The MTBE plume is typical of similar plumes that have quickly migrated in this glacial out-wash aquifer. It is ...


    By Regenesis

  • European Retail Gasoline Site - Case Study

    ABSTRACT BOS 200® successfully remediated petroleum hydrocarbon impacts at an active retail petroleum facility in Europe, achieving the remediation goal of eliminating vertical migration of impacted groundwater to competent limestone aquifer underlain the site. CHALLENGES Site characterization activities following the release identified residual ...

  • Combined interpretation of radar, hydraulic, and tracer data from a fractured-rock aquifer near Mirror Lake, New Hampshire, USA

    An integrated interpretation of field experimental cross-hole radar, tracer, and hydraulic data demonstrates the value of combining time-lapse geophysical monitoring with conventional hydrologic measurements for improved characterization of a fractured-rock aquifer. Time-lapse difference-attenuation radar tomography was conducted during saline tracer experiments at the US Geological Survey ...


    By Springer-Verlag GmbH

  • In Situ Biological Treatment for Ground Water, Surface Water, and Leachate

    The main advantage of in situ treatment is that it allows ground water to be treated without being brought to the surface, resulting in significant cost savings. In situ treatment, however, generally requires longer time periods, and there is less certainty about the uniformity of treatment because of the variability in aquifer characteristics and because the efficacy of the process is more ...

  • In Situ Biological Treatment for Soil, Sediment, and Sludge

    The main advantage of in situ treatment is that it allows soil to be treated without being excavated and transported, resulting in potentially significant cost savings. However, in situ treatment generally requires longer time periods, and there is less certainty about the uniformity of treatment because of the variability in soil and aquifer characteristics and because the efficacy of the ...

Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you