subsurface leak detection Articles

  • EPA studies identify techniques for critical leak testing prior to soil-vapor sampling

    Researchers at EPA’s National Risk Management Research Laboratory (NRMRL) in Ada, OK, are developing quality assurance (QA) measures for soil-gas and sub-slab sampling methods that help differentiate contaminant vapors due to vapor intrusion from background sources. Recent research focused on measures to identify leakage of ambient air into conventional vapor probes, which can significantly ...

  • Rikers Island UST design & environmental services

    Design and Permitting of the upgrade fourteen (14) underground diesel & No. 6 fuel oil storage tanks with a combined tankage of over 540,000 gallons for a Major Oil Storage Facility. Project includes subsurface investigation, installation of soil borings, groundwater monitoring wells, non-destructive ultrasonic and volumetric tightness testing of tanks, tank design rehabilitation including ...


    By GEA ENGINEERING

  • Site Closure Sought after using ORC® Biobarrier to Enhance Aerobic Biodegradation of MTBE and TPHg

    CASE SUMMARY Former Service Station - Bishop, CA Extensive methyl tertiary-butyl ether (MTBE) and total petroleum hydrocarbons as gasoline (TPHg) contamination was discovered within the subsurface as a result of leaking underground storage tanks (USTs) at a former service station. Following the removal of the leaking USTs, a total of 1,192 cubic yards of gasolineimpacted ...


    By REGENESIS

  • Controlling odors from creosote utilizing foam-based technology

    From approximately 1910 until the mid-1950s, a creosote plant operated on a 50 acre site in Manville, New Jersey. During its operation, the wood treatment facility treated railroad ties with creosote and discharged the excess creosote via canals to two waste lagoons located on the site. After treatment, wood was stored in areas of the site where excess creosote dripped onto surface soils and ...


    By Rusmar Inc.

  • Due diligence for freehold purchase

    Client: Confidential Location: Shropshire, UK Services: Site investigation and contaminated land assessment, due diligence Summary: A concrete-mixing operator wished to purchase the freehold of their site. ESI undertook site investigation and risk assessment as part of a due diligence exercise. Our report enabled finance ...

  • Optimization of EVO delivery improves enhanced reductive dechlorination of groundwater

    Optimization of an emulsified vegetable oil (EVO) delivery system led to uniform distribution and ongoing biological treatment of a PCE source area last summer at the former Naval Training Center (NTC) in Orlando, FL. Remedial efforts targeted contaminated ground water at a former laundry and dry cleaning facility at NTC's Operable Unit 4 (OU4), where earlier injections of potassium permanganate ...

  • Locus and Overhoff to Offer Real Time Tritium Monitoring and Compliance Software at Nuclear Facilities

    Locus Technologies (Locus), the industry leader in web-based environmental compliance and information management software, and Overhoff Technology Corporation, the world's leader in the design and manufacture of Tritium monitors and radiation monitoring systems, have partnered to offer a complete Tritium monitoring solution for the nuclear industry using Overhoff's Tritium instrumentation and ...


    By Technical Associates

  • Low-Flow (Minimal Drawdown) Ground-Water Sampling Procedures

    Untitled Document Background The Regional Superfund Ground Water Forum is a group of ground-water ...


    By Solinst Canada Ltd.

  • Program developed to ensure long-term O&M and performance of vapor intrusion mitigation

    EPA Region 7 has developed a comprehensive VI program to address the installation and long-term operation and maintenance (O&M) of VI mitigation systems, as well as assessment sampling for future systems, in homes near the Chemical Commodities, Inc. Superfund site (CCI). Region 7's VI Program Implementation Manual, which describes decision processes and procedures as well as roles and ...

  • Case study - World`s largest remediation site

    Overview Hong Kong's Kai Tak Airport, the world's busiest airport in 1997, became the world's largest remediation site once it was closed. When the airport was decommissioned in 1999 in favor of the new Chek Lap Kok Airport, the government planned to rapidly clean up the site for commercial and residential development. After many years of soil penetration by various ...

  • Enhanced Aerobic Bioremediation of Petroleum UST Releases in Puerto Rico.

    Abstract: Releases of petroleum compounds from underground storage tanks (USTs) containing diesel fuel and gasoline are a serious and increasingly prevalent problem in Puerto Rico. Remediation of groundwater impacted by these releases utilizing common methodologies can be quite costly and require long periods of time to implement. Oxygen is often the limiting factor retarding optimal ...


    By REGENESIS

  • Gas safety in confined spaces

    An engineer repairs buried cables; a plant manager enters a small plant room; a contractor inspects the lining of a sewage pipe.  All these personnel face a common danger, despite working in widely different industries.  Gas-related injury poses a serious threat in any confined space where the free movement of air is limited.  ...

  • Gas Safety in Confined Spaces

    Introduction A confined space is any space large enough for someone to enter and perform assigned work, which has limited means of entry or exit, and which is not designed for continuous worker occupancy. This covers just about every industry, including utilities, construction, hydrocarbon exploration and processing, petrochemicals, marine, agriculture, food processing and brewing, as ...

  • Gas safety in confined spaces

    A confined space is any space large enough for someone to enter and perform assigned work, which has limited means of entry or exit, and which is not designed for continuous worker occupancy. This covers just about every industry, including utilities, construction, hydrocarbon exploration and processing, petrochemicals, marine, agriculture, food processing and ...

  • Gas Safety in Confined Spaces

    Introduction An offshore worker ensures a vessel is safe to enter; a plant manager enters a small plant room; a contractor inspects the lining of a sewage pipe.  All these personnel face common dangers, despite working in widely different industries.  Gas-related injury poses a serious threat in any confined space where the free movement of air is limited. A confined space ...

  • ASTM Standards Help Meet Need for Clean Water

    The new ASTM Water Portal provides a single access point to standards and related information about ASTM International’s diverse committees working to protect and monitor this vital global resource. Clean and safe water is the underpinning of the quality of life for people around the world. Global economies depend on water, whether it’s to support the manufacturing of goods ...


    By ASTM International

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