Read e-book In-situ remediation of arsenic-contaminated sites

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Today, CCA contaminated sites remain abundant and pose environmental risks that need to be properly managed. Using a TRIAD approach that combined chemical, ecotoxicological and ecological assessment of soil quality, we investigated the abilities of biochar and zero-valent iron ZVI to remediate CCA contaminated soil in a microcosm experiment. In general, bioavailable As As bio and Cu Cu bio determined by whole-cell bacterial bioreporters corresponded well to water-extractable As and Cu As water and Cu water.

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However, in biochar treatments, only Cu bio and not Cu water was significantly reduced. Language s : English. Year of publication: Hollaender, and L. Ma eds. Publisher Country: USA.

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ISBN: Short description: This text provides scientific background, case studies, and future perspectives of in situ arsenic remediation technologies for soils and groundwater at geogenic and anthropogenic As-contaminated sites. It contains background information on the arsenic rule, descriptions for established arsenic mitigation strategies, considerations required to make an informed treatment method selection, and information to quickly estimate the planning-level costs for the selected treatment process.

Proven Alternatives for Aboveground Treatment of Arsenic in Groundwater EPA Identifies and summarizes experiences with proven aboveground treatment alternatives for arsenic in groundwater, and provides information on their relative effectiveness and cost. It serves as guidance for regulators, consultants, responsible parties, and stakeholders when an in situ bioremediation technology is considered.

Application Guide for Bioslurping. Volume II Navy Volume I contains principles and practices of bioslurping to assist preliminary decision making. Volume II contains a detailed description of the bioslurper system, testing procedures, system design, installation, operation, monitoring, and approach for site closure.

In situ remediation of arsenic in contaminated soils

Download Vol. Biopile Design and Construction Manual NFESC Details selection procedures and design and construction steps for implementing the biopile technology, which is a method for ex situ treatment of soils contaminated with petroleum hydrocarbons. Manual provides general overview of the biopile technology, followed by detailed descriptions of selection criteria, regulatory issues, design parameters, and construction procedures. Describes degradation mechanisms for chlorinated solvents, enhancements of mechanisms by addition of various materials and chemicals, design approaches, and factors to consider when selecting and using the technology.

Summary of treatment vendors and nine case studies of field applications also included. EPA A decision framework to guide users in data collection and interpretation, and decision-making efforts to evaluate nature and potential extent of intrinsic plume bioattenuation taking place under a given set of site conditions. Principles and Practices of Bioventing. Volume I describes basic principles of bioventing. Volume II focuses on bioventing design and process monitoring.

Describes the state of the practice of enhanced anaerobic bioremediation. It explains the scientific basis of enhanced anaerobic bioremediation and discusses the importance of relevant site selection, design, and performance criteria for various engineered approaches in current practices. Information provided in the report is intended to help restoration or remedial project managers make informed decisions about enhanced anaerobic bioremediation as a remedial alternative; select specific enhanced bioremediation approaches that are suitable for achieving remedial goals; and track the cost and performance of enhanced bioremediation applications.

Download 6. Provides technical and regulatory requirements for enhanced in situ bioremediation EISB of chlorinated solvents in groundwater. The components include thorough initial site assessment, a laboratory treatability test, field pilot design, field pilot test, and scale-up design. Technology Status Review: Bioremediation of Dinitrotoluene ESTCP Summarizes the latest information on bioremediation technologies that exploit the ability of aerobic bacteria to mineralize 2,4- and 2,6-dinitrotoluene 2,4-DNT, 2,6-DNT to yield energy, harmless minerals, and biomass.

In-Situ Remediation of Arsenic-Contaminated Sites | IWA Publishing

Design of Sheet Pile Walls USACE Provides information on foundation exploration and testing procedures, analysis techniques, allowable criteria, design procedures, and construction consideration for selection, design, and installation of sheet pile walls. Presents findings of a study to determine the performance of subsurface engineered barriers to remediate hazardous waste sites and facilities that have been installed through the US over the past 20 years.

The study assembled existing performance monitoring results from a number of sites and examined those results in comparison to remedial performance objectives and factors that might have influenced performance. The study provides EPA waste programs a national retrospective analysis of barrier field performance and information that may be useful in developing guidance on the use and evaluation of barrier systems. Technology Overview Using Case Studies of Alternative Landfill Technologies and Associated Regulatory Topics ITRC Presents examples of flexibility used in regulatory frameworks for approving alternative landfill cover designs, current research information about the use of alternative covers, and examples of approved designs and constructed covers.

Guidance is intended for regulators and others interested in learning about approaches to performance monitoring while implementing various in situ technologies for the treatment of DNAPLs. The report provides information on the ways in which the success or failure in treating a DNAPL source zone has been measured. The report also provides information on performance assessment, performance goals, categories of performance metrics, performance monitoring tools, technology-specific monitoring conditions, and case studies for the remediation of DNAPL in source zones.

Describes the technology and discusses the major factors that need to be addressed to select and evaluate design and implementation work plans for surfactant and cosolvent flushing of DNAPLs. Provides basic understanding of technologies, their applicability and limitations, and understanding of factors to be considered when implementing projects. Surfactant-Enhanced Aquifer Remediation SEAR Implementation Manual Navy An implementation manual designed to familiarize Remedial Project Managers, engineers, and scientists affiliated with environmental remediation projects on the major tasks and planning parameters involved with implementing an in situ surfactant flood or surfactant-enhanced aquifer remediation SEAR project to remove DNAPLs.

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June ITRC Includes descriptions of three commonly used chemical oxidants and eight case studies, as well as four examples of state regulatory applications. Document provides information on the technical and regulatory requirements of in situ chemical oxidation ISCO , a group of technologies involving various combinations of oxidants and delivery techniques. The primary oxidants addressed are hydrogen peroxide, potassium and sodium permanganate, sodium persulfate, and ozone.

In situ remediation of groundwater contaminated with petroleum hydrocarbons in England, UK

The report also provides necessary information to expedite movement into a consensus on regulatory requirements through the Interstate Technology and Regulatory Council concurrence process. Download 4.