Groundwater Containment Articles

  • Case Study - Groundwater: 600 meter Deep Survey

    Thika, Kenya Survey date: February 13, 2006 Location: Thika, Kenya Instrument: SuperSting R8/IP with Switch Box 84 and AGI resistivity imaging cable and electrode stakes with spring Electrode geometry:  combined dipole-dipole, schlumberger and pole-dipole array (20 m spacing for 646 m exploration depth) Software:  ...


    By Advanced Geosciences, Inc.

  • OSEI CEO Mr. Steven Pedigo speaks to the RRT v and VII

    A meeting of Regional Response Team 7 (RRT) member agencies and regional stakeholders convened at 13:00 on April 21, 2015, at 201 North 2nd Street, St. Charles, Missouri (MO). Co-chairs Scott Hayes of the U.S. Environmental Protection Agency (EPA) and Michael Sams of the U.S. Coast Guard (USCG) welcomed participants to the meeting. After attendee self-introductions, Hayes asked if corrections ...

  • Case study - Low-flow groundwater sampling on a nuclear site

    Nuclear licensed site use of low-flow groundwater sampling shows: Reduced time, reduced quantity of purge water – both thus reducing cost - and reduced risk of operator contact especially with potentially radioactive-contaminated purge water thanks to a self-contained enclosed system. One of the biggest headaches on site is the purge water and the expense of getting rid of it – after ...


    By Geotech

  • Public health risk assessment of groundwater contamination in Batman, Turkey

    In this study, a comprehensive analysis of groundwater was performed to assess contamination and phenol content in Batman, Turkey, particularly in residential areas near agriculture, livestock and oil industry facilities. From these areas, where potentially contaminated groundwater used for drinking and irrigation threatens public health, 30 groundwater samples were collected and analyzed for ...


    By IWA Publishing

  • Case study - Gas plant groundwater remediation

    One-pass trenching method used for a gas plant groundwater remediation project Not many environmental engineers have heard of one-pass trenching and even fewer have actually applied this cutting-edge technology to environmental control and clean-up. However, a growing number of companies are starting to use this technology, resulting in decreased cost of installation and increased system ...

  • Case study - Reactive barrier wall project update

    Reactive Barrier Wall solves space and on-going activity problems during remediation project “Name Removed”, was contracted to install a passive reactive barrier wall in “Name Removed”. The wall was designed to remediate groundwater containing tetrachloroethylene (TCE). What made this job unique was the site location. Installation would occur in an operating commercial ...

  • A new frontier in Texas: managing and regulating brackish groundwater

    The challenge of providing access to clean water is visible in Texas, where chronic drought coincides with increasing water demand. The 2012 Texas State Water Plan reports a 2,700 million cubic metres (MCM) gap between freshwater supply and demand in 2010, a number predicted to grow to 3,100 MCM by 2060. Due to the difficulty of reducing water demand, policy makers and water providers are ...


    By IWA Publishing

  • Treatment of Perchlorate and 1,1,1-Trichloroethane in Groundwater using Edible Oil Substrate (EOS®)

    ABSTRACT: Laboratory studies and a pilot-scale field test are being conducted to evaluate the use of edible oil emulsions for biodegradation of perchlorate and 1,1,1-trichloroethane (1,1,1-TCA) in groundwater at a site in Maryland. The patented Edible Oil Substrate (EOS®) process is a cost-effective approach for stimulating in situ anaerobic biodegradation with little or no operation and ...


    By EOS Remediation, LLC

  • Continuous treatments of synthetic groundwater by an in situ denitrification and oxidation process with injection of electrolytic hydrogen and oxygen

    Long-term continuous treatments of synthetic groundwater containing 15.06 ± 0.55 mg-N/L nitrate were conducted using an in situ denitrification and oxidation process under different operating conditions. In the experiments, electrolytic hydrogen and oxygen were injected upstream and downstream in a laboratory-scale aquifer, respectively, and measurements were made for nitrate, ...


    By IWA Publishing

  • Impact of cemeteries on groundwater contamination by bacteria and viruses – a review

    In the process of decomposition of a human body, 0.4–0.6 litres of leachate is produced per 1 kg of body weight. The leachate contains pathogenic bacteria and viruses that may contaminate the groundwater and cause disease when it is used for drinking. So far, this topic has been investigated in several regions of the world (mainly Brazil, Australia, the Republic of South Africa, Portugal, ...


    By IWA Publishing

  • Bacterial growth and biofilm formation in household-stored groundwater collected from public wells

    The research was aimed at assessing changes in the number of bacteria and evaluating biofilm formation in groundwater collected from public wells, both aspects directly related to the methods of household storage. In the research, water collected from Cretaceous aquifer wells in Toruń (Poland) was stored in a refrigerator and at room temperature. Microbiological parameters of the water ...


    By IWA Publishing

  • Improved light-transmission method for the study of LNAPL migration and distribution rule

    In this study, diesel was selected as a pollutant to study the migration and distribution rule of light non-aqueous phase liquid (LNAPL) in the simulated vadose zone. Saturation was regarded as a critical parameter to reflect the LNAPL migration and distribution rule. To get LNAPL saturation distribution figures, an image processing method of saturation was established to improve ...


    By IWA Publishing

  • What Effect Does E-Waste Have On Groundwater?

    Groundwater is one of the most precious resources on Earth. Its yields supply water to nearly every community in the country, and without it, most of us would be driven to drastic measures to accommodate drought conditions. In fact, that very situation is happening in communities across the nation. As groundwater is increasingly negatively ...

  • Case Study - Multilevel well system improved understanding of groundwater conditions in deep aquifers

    Westbay System delivered detailed data in less time and at a reduced cost CHALLENGE Characterizing the plume in a shallow  aquifer is simple, but investigating deeper  aquifers poses several challenges. SOLUTION MACTEC evaluated various monitoring  technologies and determined that  Westbay System modular ...


  • Treating Aniline Compounds at a Former Pharmaceutical Plant, Lombardia, Italy

    Integrated Remediation Approach with Sodium Persulfate based In Situ Chemical Oxidation (PersulfOx®) and Biosparging on Impacted Soils and Groundwater Geology : Sandy and Clayey Silt Contaminant Of Concern : Aniline and its Derivatives (i.e. N,N-diethylaniline) COC Range : 100 mg/kg in Saturated Soil (source area) up to 1000 µg/L in Groundwater Target Level : ...


    By REGENESIS

  • Comparison of denitrification performances using PLA/starch with different mass ratios as carbon source

    A suitable carbon source is significant for biological nitrate removal from groundwater. In this study, slow-release carbon sources containing polylactic acid (PLA) and starch at 8:2, 7:3, 6:4, 5:5, 4:6, and 3:7 ratios were prepared using a blending and fusing technique. The PLA/starch blend was then used as a solid carbon source for biological nitrate removal. The carbon release rate of ...


    By IWA Publishing

  • Fluoride removal by a hybrid fluoride-selective adsorbent

    High concentrations of fluoride in groundwater have become a global environmental challenge. Out of the various methods developed for effective removal of fluoride adsorption using activated alumina (AA) is popular as it has a low initial cost. AA offers excellent chemical and mechanical stability, selectivity for fluoride, favorable hydraulic properties, regenerability but offers lower ...


    By IWA Publishing

  • MPPE System for former city gas locations and coal storage locations case study

    Specifications: Successfully operated by Stadtwerke Flensburg (Germany) MPPE unit in container, total surface 14 m2 Fully automated and remote controlled Groundwater treatment BTEX reduced from 10,832 µg/l to < 5 µg/l PAHs reduced from 3,948 µg/l to < 1 µg/l Flowrate 6 ...

  • A Word About Competition...

    Almost three weeks ago, the RPI Group running team successfully nailed our 5th consecutive Bourbon Chase 200-mile relay race in Kentucky. Needless to say, we love to compete! Competition is the engine that drives the global economy. It’s kind of cool that a few companies are trying to imitate our products and our approach to in situ remediation – that’s probably the best ...

  • Microbiological assessment of private groundwater-derived potable water supplies in the Mid-West Region of Ireland

    Determining the likelihood that groundwater contains faecal coliforms can aid water resource management in facilitating the protection of drinking water supplies. This study assesses the incidence of the faecal indicator organism Escherichia coli in 125 private water supplies (PWSs) serving individual houses in the Mid-West Region of Ireland. Two factors, aquifer type and rainfall (mm), were ...


    By IWA Publishing

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