materials decontamination Articles

  • Hot Gas Decontamination

    Introduction: The process involves raising the temperature of the contaminated equipment or material to 260 °C (500 °F) for a specified period of time. The gas effluent from the material is treated in an afterburner system to destroy all volatilized contaminants. The method eliminates a waste that currently is stockpiled and requires disposal as a hazardous material. This method will permit ...

  • Decontaminating Groundwater Sampling Devices

    These studies are the second part of a two year project that examines decontaminating groundwater sampling devices. In the first year, the efficiency of various decontamination protocols was tested using small test pieces of materials that are commonly used in groundwater sampling devices. Those tests showed that a hot detergent wash and rinse followed by hot air drying (105°C) was the most ...


    By QED Environmental Systems

  • Surface Decontamination of Asbestos by DeconGel 1101

    Abstract Determine the surface decontamination efficacy of DeconGelTM 1101 on linoleum tile, painted drywall and concrete surfaces contaminated with Asbestos fibers (Chrysotile fibers) was performed with Transmission Electron Microscopy (TEM; ASTM Standard Test Method: D6480- 05) and Polarized Light Microscopy (PLM; EPA approved method for analysis of asbestos from bulk samples). ...


    By METIS Scientific

  • FAST-ACT Chemical hazard containment and neutralization system - Technical Report

    ABSTRACT FAST-ACT is a proprietary formulation of non-toxic high-performance specialty materials effective at neutralizing a wide range of toxic chemicals with the added capability to destroy chemical warfare agents. The FAST-ACT formulation is non-flammable, non-corrosive, and significantly reduces both liquid and vapor hazards. Since the dry powder neutralizes threats upon contact, ...


    By Fast-ACT

  • Water decontamination by silver and copper montmorillonite

    Several bactericide inorganic materials have been used for the purification of water with varying success. The characterisation of the incorporation of Ag or Cu cations in montmorillonite (MMT) clay, to obtain a bactericide material against E. coli, indicated that both outer and interlayer surfaces act as adsorption sites of AgO and Ag2O or CuO, respectively. The Ag–exchanged ...


    By Inderscience Publishers

  • How To Handle Chemical Spills & Cleanups

    FAST-ACT is designed for liquid and vapor chemical releases, but the chemicals it attacks does not need to be limited to what we traditionally think of as a chemical spill. Toxic and noxious chemicals can come from a variety of sources such as waste water, decomposition, household chemicals, and animals. Since FAST-ACT can be applied to liquid spill or vapor release enabling Emergency Responders ...


    By Fast-ACT

  • Decontamination of soil contaminated with petroleum grease

    Contamination modifies the engineering properties of soil, thereby restricting its further use either as a construction material or as a supporting medium. Due to the scarcity of land, it becomes imperative to reuse the land for infrastructure developmental activities. Out of numerous soil contaminants, automobile grease is one of the most prominent. Considering the cumulative impact of ...


    By Inderscience Publishers

  • Surface Decontamination of Crude Oil by DeconGel 1101 and 1102

    ABSTRACT Surface decontamination efficacy determination of DeconGelTM 1101 and 1102 on aluminum, stainless steel, and concrete surfaces contaminated with Crude Oil (polyaromatic hydrocarbons fraction) was performed with LC/MS (Liquid Chromatography/Mass Spectrometry) according to Environmental Protection Agency (EPA) SW-846 Methods: 3500C (sampling), 8321B (analysis), and 1654A (Analysis of ...


    By METIS Scientific

  • Surface Decontamination of Organic Bases (Triethylamine) by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGel™ 1101 on stainless steel, aluminum, and concrete surfaces contaminated with Organic Bases (Triethylamine (TEA)) was performed with GC/MS (Gas Chromatography/Mass Spectrometry) according to Environmental Protection Agency (EPA) SW-846 Methods: 3500C (sampling) and 8270C (analysis). Hazardous Materials ...


    By METIS Scientific

  • Evaluation of geomembrane, amended soil and composite liner system as lining materials for chromium decontamination in landfill site

    A comprehensive laboratory and field–scale study was performed to explore the efficacies of geomembrane, amended soil liner material and composite liner packs for using as containment liner systems for attenuating chromium transport emanating from a chrome laden solid waste disposal site. Soil samples were collected from the site and were admixed with different amended materials, such as rice ...


    By Inderscience Publishers

  • Surface Decontamination of Pesticides (DDT) by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGel™ 1101 on stainless steel, carbon steel, and concrete surfaces contaminated with Pesticides (dichlorodiphenyltrichloroethane (DDT)) was performed with LC/MS (Liquid Chromatography/Mass Spectrometry) according to Environmental Protection Agency (EPA) SW-846 Methods: 3500C (sampling) and 8321B (analysis). ...


    By METIS Scientific

  • Surface Decontamination of Aldehydes (Glutaraldehyde) by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGelTM 1101 on stainless steel, aluminum, and concrete surfaces contaminated with aldehydes (glutaraldehyde) was performed using GC/MS (Gas Chromatography/Mass Spectrometry) according to Environmental Protection Agency (EPA) SW-846 Methods: 3500C (Sampling) and 8270C (Analysis). Hazardous Materials ...


    By METIS Scientific

  • Surface Decontamination of Aromatic Solids (Naphthalene) by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGelTM 1101 on stainless steel, aluminum, and concrete surfaces contaminated with aromatic solids (naphthalene) was performed using LC/MS (Liquid Chromatography/Mass Spectrometry) according to Environmental Protection Agency (EPA) SW-846 Methods: 3500C (sampling) and 8321B (analysis). Hazardous Materials ...


    By METIS Scientific

  • Surface Decontamination of Navy Dye Marker by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGel™ 1101 on aluminum, stainless steel, and concrete surfaces contaminated with Navy Dye Marker was performed with LC/MS (Liquid Chromatography/Mass Spectrometry) according to Environmental Protection Agency (EPA) SW-846 Methods: 3500C (sampling) and 8321B (analysis). Hazardous Materials ...


    By METIS Scientific

  • Surface Decontamination of Amine Compounds (Aniline) by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGelTM 1101 on stainless steel, aluminum, and concrete surfaces contaminated with amine compounds (aniline) was performed using GC/MS (Gas Chromatography/Mass Spectrometry) according to Environmental Protection Agency (EPA) SW-846 Methods: 3500C (Sampling) and 8270C (Analysis). Hazardous Materials ...


    By METIS Scientific

  • Surface Decontamination of Phenolic Compounds (Catechol) by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGel™ 1101 on aluminum, carbon steel, and concrete surfaces contaminated with Phenolic Compounds (Catechol) was performed with LC/MS (Liquid Chromatography/Mass Spectrometry) in accordance with Environmental Protection Agency (EPA) SW-846 Methods: 3500C (sampling) and 8321B (analysis). Hazardous Materials ...


    By METIS Scientific

  • Surface Decontamination of Mercury (elemental) by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGel™ 1101 on stainless steel, porcelain tile, composite tile (unwaxed), linoleum tile, and concrete surfaces contaminated with mercury (elemental) was performed with Mercury Vapor Analysis Sensor (Mercury Tracker 3000) according to Environmental Protection Agency (EPA) SW-846 Method: 7471B: "Mercury in Solid or Semisolid ...


    By METIS Scientific

  • Decontamination of fume hood contaminated with tritiated thymidin

    Background Contaminated in 2003 with Tritiated-Thymidine Inadvertently volatilized From 2003 to 2007, have been attempting decon Still contaminated after almost monthly attempts Tried both soap/water and Radiacwash RSO will not release until counts are at background Proposed Solution ...


    By METIS Scientific

  • Surface Decontamination of Motor Oil by DeconGel 1101 and 1102

    Abstract Surface decontamination efficacy determination of DeconGel™ 1101 and 1102 on aluminum, stainless steel, and concrete surfaces contaminated with Motor Oil (polyaromatic hydrocarbons fraction) was performed with LC/MS (Liquid Chromatography/Mass Spectrometry) according to Environmental Protection Agency (EPA) SW-846 Methods: 3500C (sampling), 8321B (analysis), and 1654A ...


    By METIS Scientific

  • Surface Decontamination of Alkaloids (Nicotine) by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGelTM 1101 on stainless steel, aluminum, and concrete surfaces contaminated with alkaloids (nicotine) was performed using LC/MS (Liquid Chromatography/Mass Spectrometry) according to Environmental Protection Agency (EPA) SW-846 Methods: 3500C (Sampling) and 8321B (Analysis). Hazardous Materials ...


    By METIS Scientific

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