Site Investigation Articles

  • Archaeological Exploration case study

    Case 1 A surface resistivity to find underground tombs A surface-resistivity survey with 4m electrode spacing was used to reaffirm the location of a number of underground tombs. The inversion image concurred with the site investigation except for the void between the 8th and 14th electrodes. Further investigation by an archeological team concluded that a tomb existed ...

  • Mineralisation exploration case study

    This resistivity survey aimed to locate a potential mineral deposit, five lines of surface-resistivity surveys were taken in the field.   In accordance to the inversion sections below, the blue areas circled in red show lows resistivity and were concluded to have mineral deposits. This result concurred with initial site investigation, where orebody outcrops were found. Other low resistivity ...

  • Void and cave detection case study

    Case 3 A crosshole resistivity survey to find karst caves for deep foundation construction          This survey is aimed to find voids for construction safety purpose, as figure below shows, 32 and 20 electrodes were placed into two boreholes respectively. Inversion image found low resistivity areas beside boreholes were likely to be karst caves. Later ...

  • Rapid phase ii site investigation for a former petrol filling station

    Client: Argyll Environmental Ltd Location: Oxford, UK Services: Contaminated Land Site Investigation, Human Health Risk Assessment, Controlled Waters Risk Assessment, Strategic Advice on Brownfield Land Divestment, Contaminated Land Risk Assessment, Due Diligence, Rapid Site Investigation Summary: ESI provides rapid site ...


    By ESI Consulting Ltd

  • Remediation of petroleum hydrocarbons in soil and groundwater

    Client: Power Generation Industry Location: Dagenham, London, England Services: Contaminated land site investigation, risk assessment and remediation services, due diligence    Summary: Our client was able to identify contamination arising from a tenant's activities, and obtain funds for remediation prior to ...


    By ESI Consulting Ltd

  • Divestment of a food manufacturing plant

    Client: Confidential Location: Somerset, Southwest England, UK Services: Strategic Advice on Brownfield Development, Site Investigation, Risk Assessment Summary: ESI was able to identify options for managing land contamination to maximise the value of site divestment, based on high quality site investigation and risk ...


    By ESI Consulting Ltd

  • Land quality baseline assessment of a food manufacturing facility

    Client: Food Manufacturer Location: South-Wales, UK Services: Contaminated Land Site Investigation, Due Dilligence, Rapid Site Investigation. Summary: A food manufacturer wished to sell a drink packaging operation, and needed an environmental investigation to support the marketing of a site. ESI initiated our Rapid Phase ...


    By ESI Consulting Ltd

  • Consultancy case studies - Kellogg"s

    Kellogg’s asked SEQM to carry out a review and prepare a Phase 1 study for an operational food factory site. The site was in an historic industrial area which at one time in the past comprised blast furnaces; coke ovens; a bye-products recovery plant; finishing mills and steel works. SEQM suggested a three stage approach of preliminary investigation (document review, satellite and map ...


    By SEQM Ltd.

  • Case Study - National City Community

    Since 2005, E2 personnel have provided on-call environmental assessment services to the Community Development Commission (CDC) of the City of National City. E2 provided EIR and Report Review, Phase I Environmental Site Investigation, Phase II Site Investigation, remediation services, grant application writing, CEQA/NEPA reviews on behalf of the City’s Planning Department, third-party report ...


    By E2 ManageTech

  • Green remediation best management practices: site investigation

    Overview The need for site investigation is common to cleanups under any regulatory program. An investigation can occur at all points in the cleanup process, from initial site assessment through waste site closeout. A site investigation generally is undertaken to: Confirm the presence or absence of specific contaminants Delineate the nature and extent of environmental contamination ...

  • Triad use at Naval Base San Diego saves an estimated 6 years and US$3m for site investigation

    The U.S. Naval Facilities Engineering Command Southwest (NAVFAC SW) used the Triad approach to collect an integrated hydrogeologic and chemical dataset for expediting and optimizing characterization of a volatile organic compound (VOC) plume at Naval Base San Diego (NBSD), CA. The 295-acre 'IR Site 22' was identified in 2003 when VOC concentrations reaching 100 mg/L were reported in an upgradient ...

  • What is a Plume? and Why do I Care?

    From The National Groundwater Association   Most of you might question why I want to spend time discussing a subject that is outside of the more traditional ...


    By Arcadis

  • Pellissippi Parkway Study

    Summary: At the Pellissippi site the investigation concerned finding hidden voids underneath the highway. It is built on a location where numerous cave-ins have occurred over the years. The objective at this site was to determine if it was ...


    By Advanced Geosciences, Inc.

  • Amistad Dam site

    Summary:At the Amistad Dam site an investigation was made with a 56 electrode STING/Swift system to determine the location of leaks which have effectively drained the giant dam of water. As it was not immediately obvious which array type would return the best data three different arrays were recorded on the same electrode layout. The resulting three 2D profiles show both similarities and ...


    By Advanced Geosciences, Inc.

  • A Dynamic Site Investigation: Adaptive Sampling and Analysis Program for Operable Unit 1 at Hanscom Air Force Base, Bedford, Massachusetts

     Abstract In this study, field analytical instrumentation and methods were used to support a risk assessment study at the airfield at Hanscom Air Force Base (HAFB, Bedford, Massachusetts). The site investigation is part of an ongoing effort to determine contaminant risk to ground water from soil. The field tools supported a dynamic workplan/adaptive sampling and analysis demonstration. Over ...

  • Development and Potential of Core-Logging Manuals

    Characterizing the in-place conditions of rock masses commonly depends upon continuous diamond-core drilling for site investigation or resource characterization. However, because of incomplete or inconsistent core descriptions, potentially valuable information may be lost or unavailable for other users. This situation suggested the potential value of photographic core-logging manuals and ...


    By ASTM International

  • Geotomography in Site Investigation: Simulation Study

    Tomography is the reconstruction of images from measurements of line integrals. It is used in a variety of scientific and technical applications. Advances in electronics and computers make the technique accessible to geotechnical engineering. The combination of penetration testing and tomographic reconstruction would result in a powerful site investigation tool.A tomographic software was ...


    By ASTM International

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