underground storage tank Articles

  • Petroleum Management case study

    Service performed: Underground storage tank removal Summary: Our environmental team responded to a request from the General Services Administration (GSA) to determine the size and contents of an underground storage tank (UST) that was no longer in use at a facility in Indianapolis, Indiana. After subsurface investigations, the tank was identified to contain ...


    By EFI Global, Inc.

  • El Centro Regional Medical Center - El Centro, CA - Case Study

    Prior land use was for “El Centro Motors”, an automobile dealership and service facility. There was some contamination in the soil & groundwater due to underground storage ...


    By CETCO

  • Development of resistivity probes for continuous monitoring of pollutant in porous media

    In this study, an attempt has been made to develop resistivity probes and an experimental setup capable of simulating the field conditions concerned with migration of pollutant through the porous media. The porous media chosen for the present study is commercially available uniformly graded sand; while Sodium Chloride solution was considered as the pollutant. For the continuous monitoring of ...


    By Inderscience Publishers

  • GPR survey to locate USTs and piping at a retail facility

    PROJECT: GPR survey of a retail facility LOCATION: Spokane, Washington PROJECT DESCRIPTION: Designed and performed a tight-line / saturation Ground Penetrating Radar (GPR) survey of an active retail property, to determine the presence, if any, of buried 1950s-vintage underground storage tanks (USTs). Performed onsite instrument "calibration" with known ...


    By ECA Geophysics

  • Remediation oversight and monitoring case study

    Service(s) performed: Underground storage tank removal and contaminated soil excavation and disposal Summary: In a residential and commercial area of a major U.S. city, an abandoned gas station site was targeted for redevelopment. To assist the area’s remediation efforts, our environmental team removed a 15,000-gallon underground storage tank, performed ...


    By EFI Global, Inc.

  • BOS 200 LNAPL Remediation at budget rental car site in Louisville, Kentucky USA

    Background Information The Budget Rental Car Site was a former retail gasoline and diesel service station existing on approximately 3 acres located in Louisville Kentucky, USA. The investigation and corrective action work conducted at the facility was under the oversight of the Kentucky (KY) Department for Environmental Protection (KDEP), Division of Waste Management (DWM), Underground ...

  • How To Effectively Recover Free Product At Leaking Underground Storage Tank Sites - A Guide For State Regulators

    Over 315,000 releases from leaking underground storage tanks (USTs) were reported by state and local environmental agencies as of March 19961. EPA’s Office of Underground Storage Tanks (OUST) anticipates that at least 100,000 additional releases will be confirmed in the next few years as tank owners and operators comply with the December 22, 1998, deadline for upgrading, replacing, or closing ...

  • Underground storage tanks case study

    MacDill Air Force Base A Phase II environmental site assessment was conducted at a military base in the southeastern United States. As part of the ESA, GeoView was contracted to perform the geophysical site assessment. The purpose of the geophysical investigation was to determine the presence and location of any underground storage tanks that may be buried within the boundaries of the ...


    By GeoView, Inc.

  • Petroleum Hydrocarbon Remediation in British Columbia, Canada

    Summary A former fueling facility in Port Coquitlam, BC contained four underground storage tanks (USTs) and accompanying dispensers. The USTs were removed in 1990 after volatile petroleum hydrocarbon (VPH) concentrations were foundabove regulatory limits. Source well BH206 had significant VPH and naphthalene concentrations reaching 13,000 ug/L and 240 ug/L, respectively. In addition, ...


    By Regenesis

  • Brownfield and site redevelopment case study

    Service performed: Brownfield redevelopment Summary: EFI Global performed removal of several underground storage tanks (USTs), coordinated transport and disposal of approximately 1,000 cubic yards of soil from the tank pit on an abandoned wood manufacturing facility located in a downtown area. The property was originally developed in the 1860’s ...


    By EFI Global, Inc.

  • Providing compliance training programs case study

    Challenge: In August 2007, as part of the Energy Policy Act of 2005, the United States Environmental Protection Agency (EPA) published guidelines that specify training requirements for three classes of Underground Storage Tank (UST) operators - A, B and C. Each state must implement these EPA guidelines by developing state-specific training requirements and requiring training for all UST ...


    By Antea Group - USA

  • BTEX remediation in groundwater

    BTEX contamination in groundwater from a leaking underground storage tank was cost-effectively treated with two applications of Petrox. This project demonstrates the rapid degradation of petroleum components when high populations of Petrox aerobic microbes are injected. The pre-treatment concentrations of Toluene and Xylene were 1,198ppb and 2,408 ppb, respectively. Ten units of Petrox aerobic ...


    By CL Solutions, LLC

  • EXPERIENCES WITH THE USE OF OXYGEN RELEASE COMPOUND IN LOW PERMEABLE SOIL

    Introduction The new Copenhagen Metro is planned to cross an oil-polluted site with an area of 300 m² with oil concentrations of up to 7,000 mg/kg in the soil and 1-2 mg/l in the groundwater.  The oil pollution at the site arises from leaking underground storage tanks and pipelines belonging to a former service station. In order to reduce the costs of handling the polluted soil and to avoid any ...


    By Regenesis

  • A technical guide to complying with Federal SPCC Regulations

    Let’s start by clarifying what SPCC is not since SPCC does overlap other Federal and State environmental regulations. SPCC is not: NPDES – Permits under NPDES, such as stormwater or water discharge permits, are required to discharge pollutants into the “navigable waters of United States.” While it is never permitted to discharge “oil” into any waters of the US, there is some overlap with NPDES in ...


    By Ecocion, Inc.

  • Mossy Rock, Washington - in-situ chemical oxidation case study

    Leaking underground storage tanks at the Police Station / City Hall in Mossyrock, Washington contaminated soil and groundwater with gasoline hydrocarbons. A portion of the soil was excavated, but the presence of the building prevented all of the contamination from being removed. After first advancing a series of soil borings to accurately define the target zone, Cedar Creek Engineering installed ...

  • Pilot Scale Remediation of BTEX, MTBE, Naphthalene, Isopropylbenzene, and Trimethylbenzene

    Site Summary Michigan’s Department of Environmental Quality (Environmental Response Division) has spearheaded efforts to clean up concentrations of petroleum compounds associated with two former underground storage tanks. A field pilot study was performed to determine the effectiveness of ORC in treating the on site petroleum hydrocarbon contamination.Approximately 3,720 lbs. of ORC were ...


    By Regenesis

  • Steam Injection with Soil Vapor Extraction Remediation

    Project description for soil vapor extraction / steam injection remediation by GWS Environmental Contractors Inc. The use and implementation of steam injection remediation on No 2. heating oil. Project Location: 18 Institute Street Freehold, NJ. Project: Residential Fuel Oil Remediation Project using Steam/SVE. I. Extent of Contamination: Fuel oil contamination exists in the rear yard ...

  • Petrox remediation of leaking underground storage tanks (USTs)

    Petrox is widely used to remediate soil and ground water contaminated by fuels and chemicals leaking from underground storage tanks (USTs). In many cases the UST removal contractor will treat residual contamination in the excavation after the leaking UST is removed. The effects of Petrox aerobic bioremediation can be seen in the ground water down gradient of the ...


    By CL Solutions, LLC

  • On-Site Analysis of Gasoline Range Organics (GRO) in Soil and Groundwater Using Field Portable Purge and Trap GC / FID / PID

    Although leaking underground storage tanks account for the majority of gasoline contamination in soils and groundwater, other events such as accidents during product transportation or delivery are also significant. Spill clean-ups and tank replacements have an immediacy to them due to the very steep relationship between delay and cost. Since gasoline is highly mobile in the environment, it is ...


    By Buck Scientific Inc

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