groundwater professional Articles

  • Wastewater and groundwater

    Nearly 25 percent of the population in the United States—in more than 25 million homes—disposes of wastewater through onsite, or unsewered, systems that return treated effluent to the ground. This is an important public health issue because many of those same homes use wells that rely on groundwater for the drinking water supply. With ...

  • 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 ...

  • Proven alternatives for aboveground treatment of arsenic in groundwater

    This issue paper identifies and summarizes experiences with proven aboveground treatment alternatives for arsenic in groundwater, and provides information on their relative effectiveness and cost. The information contained in this paper can also be found in the report “Arsenic Treatment Technologies for Soil, Waste, and Water”, EPA542-R-02-004 (Ref. 1.12), which provides cost and ...


    By Absolute Systems Inc.

  • Future hydrogeologist wants to mitigate groundwater contamination

    NGWA continues its monthly spotlight look at the 2016 Len Assante Scholarship winners from the ...

  • Groundwater monitoring and assessment with ESdat environmental data management software and its use in groundwater remediation plans

    Groundwater investigations, contaminated/industrial sites, landfill and regulatory compliance are all ideal areas for environmental consultants and site managers, specializing in groundwater monitoring and assessment, to use environmental data management software. A successful groundwater ...

  • Quantitative Uncertainty Analysis of Superfund Residential Risk Pathway Models for Soil and Groundwater: White Paper

    1. INTRODUCTIONThe quantitative assessment of uncertainties in the exposure parameters for the individual exposure pathways provides considerable information about the variability and sensitivity of the calculated results. These results are important because point estimates of these parameters are used to determine the extent of remediation necessary through the Superfund process. The point ...


    By Oracle

  • GW monitoring in saxony

    Background During the hundred-year flood in 2002 in Eastern Germany the river “Elbe“ and a lot of rivers in the catchment area exceeded the banks and caused damages of millions within a short period of time. Often unnoticed, the groundwater level was rising extremely after a certain time. The time of rising groundwater took considerably longer than the actual flood, and caused enormous ...


    By The OTT Hydromet Group

  • Water Resources Management and Modeling

    Hydrology is the science that deals with the processes governing the depletion and replenishment of water resources of the earth's land areas. The purpose of this book is to put together recent developments on hydrology and water resources engineering. First section covers surface water modeling and second section deals with groundwater modeling. The aim of this book is to focus attention on the ...


    By IWA Publishing

  • Six technologies that shaped EH&S

    This year, the Air & Waste Management Association celebrates its centennial. The past 100 years have yielded remarkable technological advances, especially in the area of information technology (IT). Within our professional lifetimes, we have shifted from using manually typed memos and reports, pink telephone message slips and pagers to computer-generated reports, Internet data exchange, e-mail, ...


    By Lexicon Systems, LLC

  • Case study - Multilevel sampling and monitoring, Maryland, USA

    Challenges Volatile Organic Compounds contaminated the groundwater posing a risk to nearby private water supply wells. The traditional approach of drilling and sampling multiple boreholes did not provide adequate data to characterize groundwater flow and contaminant migration in the complex fractured bedrock. Solution Westbay System* was installed ...


  • Fuel spills near Norton Reservoir

    Fire and state officials are investigating the possible environmental impact of a kerosene spill near the Norton Reservoir that leaked an estimated 250 gallons of the heating fuel into the snow and ground on Saturday afternoon. Fire Capt. Kent Campbell said he was called to investigate a spill at an outside storage tank at a mobile home park on Mansfield Avenue (Route 140), when a homeowner ...


    By Penney Engineering, Inc

  • DHL logistics campus ground water protection case study

    When the massive logistics campus in Unna begins operations in the near future, it will change the face of the region. Approx. 350 people will be working in the massive 90,000 square meter hall helping two million pallets annually get to their proper destination. The facility requires proper safeguards especially with regards to chemical materials. The leading international logistics company DHL ...


    By NAUE GmbH & Co.KG

  • Gas vapor mitigation system utilizing evoh technology as solution to TCE contamination case study

    Project: El Centro Regional Medical Clinic Location: El Centre CA Products: Liquid Boot PLUS Gas Vapor Mitigation System with VI-20™ Geomembrane GeoVent™ Gas Venting System Background: Prior land use was for "El Centra Motors", an automobile dealership and service facility. There was some contamination in the soil ...


    By CETCO

  • A REC is a REC, right? Wrong!

    A Recognized Environmental Condition, or REC for short, is a term everyone involved in a commercial property transaction is familiar with. It is a potential problem area for the perspective commercial property buyer, a red flag to the lender, and often a headache for the seller and buyer both. Officially defined by ASTM International (ASTM, E-1527-05) as “the presence or likely presence of any ...

  • The Phase 1 Environmental Assessment

    In today’s world where every property is subject to potential environmental risks a Phase 1 Environmental Site Assessment or ESA is an appropriate action to take. An ESA can help determine if the property has been contaminated by previous or current activities. The ESA can help protect the purchaser of a property from environmental risks prior to the closing on a property.  Lenders ...

  • How Close to Contamination does a Property need to be for Vapor Intrusion to be a Concern?

    Cinnaminson, NJ, February 19, 2013 There are numerous sites across North America that have contaminated soil or groundwater due to manmade pollution.  Some of these sites have been a problem for decades and as communities have grown, more and more residential and commercial properties have been built above or near these areas. A major issue for properties built near these contaminated ...


    By EMSL Analytical, Inc.

  • Innovations in the Remediation of Contaminated Sites

      Discussion of the EPA publication completed North American Innovative Technology Demonstration Projects; share the information from this new document which is now available in an online. Mention some of the ongoing and completed field demonstrations of innovative remediation technologies sponsored by EPA and other government agencies such as DOD, NPS, USFS, and BIA. The remediation ...


  • City Of Redmond – Wellhead Protection Program, EQuIS Implementation

    Project Overview The City of Redmond (City) has several water quality related programs (e.g., Groundwater Monitoring, Drinking Water, Surface Water) responsible for contributing to the protection and management of ground and surface water resources. These water quality programs (Programs) have either regulatory responsibility authorized by state or county oversight agencies or, have local ...


    By EarthSoft, Inc

  • ESdat environmental database software helps organizations manage their environmental data for ISO 14001

    Environmental data management software is an efficient way to handle large amounts of data generated with the adoption of environmental standards like ISO 14001.  A recent survey by EScIS shows that 100% of environmental professionals saved time using their ESdat environmental database software and that having the data organized was seen as a major feature. ESdat environmental database ...

  • Development of Plans and Specifications and Bidding Assistance

    Asbestos Survey – Building Surveys and Testing ACC helps developing owners and supervisors meet their regulating specifications to test suppose components for asbestos fiber prior to remodelling or development activities. To ensure quality, our certified professionals perform all area work according to OSHA, EPA and AHERA methods. Following the asbestos fiber survey, ACC provides a complete ...

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