arsenic hazard Articles

  • Surface Decontamination of Arsenic Compounds (Arsenic Trioxide (As2O3)) by DeconGel 1101

    Abstract Surface decontamination efficacy determination of DeconGelTM 1101 on stainless steel, carbon steel, and concrete surfaces contaminated with arsenic (arsenic trioxide (As2O3)) was performed using ICP-OES (Inductively Coupled Plasma-Optical Emission Spectroscopy) according to Environmental Protection Agency (EPA) SW-846 Methods: 3005A (sampling) and 6010C (analysis). ...


    By METIS Scientific

  • Project profile - arsenic treatment-Michigan

    Background In May, 2003, upon approval by the County Health Department, Adedge Technologies installed the first arsenic treatment system for a Type II nontransient, non-community (NTNC) water system in Oakland County, Michigan. The 40 gallon per minute (gpm) modular system was installed at an elementary school serving 600 students to reduce naturally occurring arsenic to meet the new EPA ...

  • Airport Lead and Arsenic Removal - Case Study

    City of Cincinnati The Airport was built on a former military firing range and apple orchard. To complete the removal of all the lead and arsenic, we excavated and removed over 20,000 tons of treated and non-treated contaminated soil. Then we stabilized 11,000 tons of hazardous soil on site. We graded and capped the site all while complying with FAA, City and Airport ...

  • Proven alternatives for aboveground treatment of arsenic in groundwater

    This issue paper identifies and summarizes experiences with proven aboveground treatment alternatives for arsenic in groundwater, and provides information on their relative effectiveness and cost. The information contained in this paper can also be found in the report “Arsenic Treatment Technologies for Soil, Waste, and Water”, EPA542-R-02-004 (Ref. 1.12), which provides cost and ...


    By Absolute Systems Inc.

  • On-Site Incineration Tames Arsenal Waste Mixture

    Toxic wastes from various chemical processing activities at Rocky Mountain Arsenal (RMA) had accumulated in on-site evaporation basins over many years. The highly corrosive wastes, which posed environmental and potential health hazards, were by-products of the U.S. government’s chemical weapons program during World War 11 and its later weapons disposal program, as weIl as sorne pesticide ...


  • Toxic injustice in the Bangladesh water sector: a social inequities perspective on arsenic contamination

    Arsenic contamination of groundwater in Bangladesh poses a major environmental health hazard to millions. The efforts of public health programmes to address the problem have often been short-lived and unevenly distributed. The crisis represents a failure of governance and a structural injustice of global dimensions. Rights-based approaches to development have been proposed to address such ...


    By IWA Publishing

  • Project profile -Rimrock EPA Demonstration Project, Arsenic - Rimrock, Arizona

    Background In mid 2003, AdEdge Technologies Inc. (AdEdge) was selected to implement three full scale arsenic treatment Demonstration Projects with USEPA using its granular ferric oxide (GFO) technology. At the Rimrock location, implementation began in September, 2003 including engineering submittals and permitting by the Arizona Department of Environmental Quality (ADEQ). Upon completing ...

  • Arsenic in Soil and CCA Treated Wood by Field Portable XRF

    Chromated copper arsenate (CCA) has been the most widely used wood preservative for decks, playgrounds and exterior housing structures. However, in recent years, issues surrounding the use of CCA preservative chemical have escalated, ...

  • State of the art treatment for Arsenic, color, and Hydrogen Sulfide - Case Study

    New Arsenic Regulations How meaningful to the average water customer are µg/l or parts per billion? Not very. How about the word “arsenic”? That will ring some bells as the mystery novel poison-of-choice. But with new, lower EPA arsenic standard of 10 ppb that went into effect Jan. 16, cities with ...


    By Filtronics, Inc.

  • Project profile - quail ridge prescott, AZ arsenic treatment system

    Background The Quail Ridge Community owns and operates the Quail Ridge Community water system located near Prescott, AZ. The water system is served by two wells that provide drinking water for the community’s residents at a maximum of 160 gallons per minute (gpm) with an approximate arsenic concentration of 13 parts per billion (ppb). After a successful pilot, the site was able to ...

  • Pteris multifida Poir., a new arsenic hyperaccumulator: characteristics and potential

    This paper reports a new arsenic hyperaccumulator, Pteris multifida Poir, a fern that grows widely in the southeast of China. The results show that the average arsenic content in the fronds was 1144.78 mg/kg, with a highest value of 2061 mg/kg. The average arsenic content in the roots was 692.7 mg/kg, and the average bioconcentration factor was 1.2, with a highest value of 1.78. The average ...


    By Inderscience Publishers

  • Project profile - Mettawee Community School - arsenic treatment West Pawlet, Vermont

    Background In the summer of 2004, AdEdge Technologies, Inc. was selected by the Mettawee Community School to supply and install an arsenic treatment system for treating water serving the school and facilities. The elementary school site is located on the west side of the state near the New York border. This was the first system utilizing Granular Ferric Oxide (GFO) adsorption technology ...

  • Project profile - Lummi Island, Washington arsenic, iron, sulfide treatment system

    Background In mid 2004, AdEdge Technologies Inc. (AdEdge) was selected by Miller Water Association and Anvil Corporation to assist in the design of a fullscale arsenic treatment project for this small community. Arsenic levels are alarmingly high at 0.18 mg/l, 18 times higher than the new Federal standard of 0.010 mg/l. In addition to arsenic, many of the homeowners using the water ...

  • Project profile - new river elementary – arsenic treatment Phoenix, Arizona

    Background In early 2004, AdEdge was pre-qualified and invited to participate in arsenic pilot study of commercial adsorption-based treatment technologies with Damon S. Williams & Associates (DSWA). As an outcome of the successful piloting and preliminary work with the engineer, AdEdge was chosen by Centennial Contractors to perform full scale arsenic treatment using its granular ...

  • Life cycle analysis of two Hungarian drinking water arsenic removal technologies

    Determining a technology's merit as a solution to Hungarian drinking water arsenic contamination goes beyond technical concerns: environmental and economic aspects also play very important roles. In an effort to address the current arsenic drinking water requirements in Hungary, life cycle analysis (LCA) methodology was applied on two example arsenic removal technologies, ...


    By IWA Publishing

  • Management of Hazardous Wastes

    ' Management of hazardous waste is a growing concern in many countries. The long-term impacts and costs of improper disposal can be very high and the emphasis must be on prevention. A comprehensive management system should include (i) policies, institutions and effective regulations and (ii) adequate and acceptable disposal facilities (either public or private). This note outlines the key ...


    By The World Bank

  • One process removes arsenic & iron from water in small Utah town

    The Safe Drinking Water Act brought with it tough arsenic compliance standards, forcing cities large and small to comply with a maximum contaminant level of 10 parts per billion (ppb) or face stiff fines and even the potential shutdown of wells. Smaller towns such as Cannonville, Utah, face the most difficult challenge, due to manpower and budget constraints. Cannonville turned to Filtronics, ...


    By Filtronics, Inc.

  • Project profile - arsenic treatment project Pueblo of Isleta, New Mexico

    Background In August, 2004, following successful field piloting, AdEdge Technologies, Inc. (AdEdge) was selected by the Pueblo of Isleta, located south of Albuquerque, New Mexico, to provide a turnkey project for furnishing an arsenic treatment system, installation, startup, and commissioning to bring the casino water system into compliance with the new maximum contaminant level (MCL) for ...

  • Study on Hazardous Household Waste with a main Emphasis on Hazardous Chemicals

    Introduction The aim of this study is to evaluate national experiences of the management of hazardous products likely to become hazardous household waste (HHW), and to make proposals for strategies for the appropriate management of such products within a lifecycle perspective. The study covers the fifteen Member States and two Accession Countries, namely Hungary and Romania. The data available at ...

  • Report on Practical Methods for Removal of Arsenic from Subsurface Aquifiers and Drinking Water Systems

    In some areas of the world, arsenic presence in subsurface aquifiers and drinking water systems is a potentially serious human health hazard. In certain areas of Bangladesh and also in parts of the West Bengal district of India, for example, a majority of shallow subsurface aquifiers and tube wells are contaminated with arsenic at levels which are orders of magnitude above the recommended arsenic ...


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