benzene remediation Articles

  • BOS 200® - Benzene

    This pilot study was conducted to determine the effectiveness of using BOS 200® to remediate the site. Based on the results of the pilot, the full scale injection program using BOS 200® was designed and is awaiting regulatory ...

  • BOS 200® - Benzene/TPH

    Site facts - pre-treatment: Benzene (groundwater) low to 1200 ug/L; TPH (groundwater) - ow to 18,000 ug/L; TPH (soil) up to 7900 mg/kg. After treating with BOS 200® and monitoring for several months, have filed with state for site ...

  • Southern New Jersey - Guaranteed benzene remediation in soil and groundwater - Case Study

    Project Summary TRS Group, Inc. (TRS) under contract with URS Corporation ( URS) and Resource Environmental, LLC (RELLC) conducted an electrical resistance heating (ERH) remediation of benzene at a former gasoline service station located in southern New Jersey, The project scope of work was contracted as a Guaranteed Fixed Price Remediation (GFPR) that included no rebound of benzene in ...


    By TRS Group, Inc.

  • BOS 200® - Benzene - Tank Battery

    BOS 200® was injected at the site to clean up a product release. 4 weeks after injection, the contaminant level had been reduced to below the groundwater standard in all wells. After a year of monitoring, an NFA was issued (June ...

  • ORC Reduces Benzene to Below Site Goals – The Netherlands

    Site Summary The former gasworks is located in the city of Enkhuizen residing in The Netherlands. Shortly after site activities ceased, the land was redeveloped. A site assessment indicated that the soil beneath a former cellar was contaminated with benzene. The depth of the contamination was estimated at 6 m-bgs (~20 ft), but couldn’t be assessed further due to restrictions caused by debris in ...


    By REGENESIS

  • Case study – benzene/TPH contamination - truck Stop

    Pre-treatment, this truck stop had groundwater Benzene levels of low to 1200 ug/L and TPH figures of low to 18,000 ug/L in groundwater and up to 7900 mg/kg in soil. After BOS 200® treatment and monitoring for several months, the site has filed with the state for ...

  • Case study – benzene/TPH contamination - convenience store

    This site had groundwater Benzene levels of up to 26,000 ug/L and groundwater TPH levels of up to 14,400 ug/L. After treatment, only one monitoring level (GRO) in one well (M-7) remains above standard. Further monitoring will be conducted before applying for site ...

  • Case Study - Full Scale Remediation of Trichloroethene and Benzene, Toluene, Ethyl Benzene, Xylene (BTEX) in Soil Using Six Phase Soil Heating - Niagara Falls, NY

    Contracting: Fixed Price Per Task Contaminants Treated: Trichloroethene (TCE), Benzene, Toluene, Ethyl Benzene, Xylene (BTEX) Technology Applied: Six-Phase Soil Heating (SPSH) Geology: Sediments, glacial till, bedrock Hydrology: Groundwater at 8 feet below ground surface (bgs) Hydraulic Conductivity: 3 x 10-4 cm/sec Treatment Area & Volume: 12,100 square feet & 4,480 cubic ...


    By TRS Group, Inc.

  • Case study – benzene contamination retail gas station, Colorado

    Introduction The scope of work for this site included an expansion of an existing soil venting system to remediate impacted soil and injection of a carbon-based petroleum degrading product to remediate long-term groundwater impacts. By using a combination of remediation technologies, including LT Environmental’s (LTE) TerraCert™ program, the overall goal of a cost effective cleanup ...

  • Application of first-order reliability method to modelling the fate and transport of benzene in groundwater

    Parameter uncertainty plays a significant role in decision making regarding groundwater contamination and remediation, especially for non-conservative chemicals. This paper presents a probabilistic screening model to accommodate parameter uncertainty in the aquifer media, and physical–chemical parameters, using the first-order reliability method (FORM). The application of the developed model is ...


    By Inderscience Publishers

  • Case study – benzene contamination - tank battery, Weld County, Colorado

    Introduction LTE was requested by Devon Energy Corporation (Devon) to remediate residual soil and groundwater impacts at an exploration and production site in Weld County, Colorado. Soil impacts were found from the surface to 24 feet below ground surface (bgs) and were a result of produced water sump and aboveground storage tank overfills. Benzene concentrations in the groundwater were up to ...

  • Risk 101 & Remediation Design

    Risk Assessment is the basis for almost all of our designs. Perceived risk is the basis for the rest of the designs. A good remediation design must incorporate the concentration goals for that site and the designer must know how those goals were set. In order to know how those goals were set, we all must have a basic understanding of Risk Assessment. Not just the numbers, but the methodology that ...


    By Arcadis

  • Case study – benzene contamination pilot study - retail gasoline site, Northglenn, Colorado

    Introduction LTE was contracted by Shell Oil Products US (Shell) to conduct a pilot test program at a petroleum hydrocarbon impacted retail facility north of Denver, Colorado. The goals of the pilot program were to: 1) Determine the viability of using a carbon-based injectate (RPI’s BOS 200®) to remove hydrocarbons from soil and groundwater, 2) Assess transient hydraulic conditions ...

  • The power of precise remediation

    Design matters in in-situ remediation. Just ask Resource Geoscience, Inc. (RGI), a Remediation Products, Inc. BOS 200 approved installer and certified Trap and Treat Consultant. They recently demonstrated that when paired with proper injection design and precise application, BOS 200 can get the job done where others fail. The site:  Contaminated clay site in Colorado ...

  • Standard Chlorine of Delaware Remediation

    By designing a 70-foot deep barrier wall, Black & Veatch was able to cut off contaminant source areas from a creek near New Castle, Delaware. The groundwater treatment system that Black & Veatch designed prevents site contamination from reaching the underlying drinking water aquifer. The Standard Chlorine of Delaware Site is a 65 acre area including an abandoned chlorobenzene ...


    By Black & Veatch Corporation

  • Refinery remediation: fuel recovery and recycling

    Introduction The site is a former refinery that occupied approximately 64 acres of land in West Texas. Refinery operations produced all grades of gasoline, tractor fuels, diesel, distillate products, and fuel oils and operated between 1939 and 1954. As a result of past waste management practices, releases to soils and ultimately ground water occurred, resulting in the formation of a ...

  • The In Situ Bioremediation/Groundwater Remediation Process

    In-situ groundwater bioremediation is a technology that encourages growth and reproduction of indigenous microorganisms to enhance biodegradation of organic constituents in the saturated zone. In-situ groundwater bioremediation can effectively degrade organic constituents which are dissolved in groundwater and adsorbed onto the aquifer matrix. The Adventus In Situ Bioremediation/Groundwater ...


  • Membrane fouling remediation in ultrafiltration of latex contaminated wastewater

    The current study aimed to remediate membrane fouling by latex effluent by altering membrane surface charge or ionic strength of the effluent. Hydrophilic polysulfone and Ultrafilic flat membranes, with molecular weight cutoff (MWCO) of 60,000 and 100,000, respectively, and hydrophobic polyvinylidene difluoride membrane (PVDF; MWCO 100,000) were used under a constant flow rate and in ...


    By IWA Publishing

  • LNAPL remediation using electrical resistance heating

    Abstract An Electrical Resistance Heating (ERH) pilot test was conducted in the fall of 1998 to determine the effectiveness of using ERH in combination with soil vapor extraction (SVE) for the remediation of benzene and light nonaqueous-phase liquids (LNAPL) at an island location on a river in the Midwest. Hydrocarbon-stained soils were discovered on an island in Ohio in May 1993 during the ...


    By TRS Group, Inc.

  • Spolchemie site remediation and NanoRem field site application

    Site Remediation The Spolchemie site was chosen as one of the NanoRem case study sites, to test two types of nanoparticles (NPs) (zerovalent iron - nZVI and iron oxide NPs) for in situ remediation of BTEX (Benzene, Toluene, Ethylbenzene, and Xylenes) contamination. Nanoremediation was seen as an opportunity to enhance the in situ biodegradation of the BTEX contaminants and to reduce the ...


    By NANO IRON s.r.o.

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