Natural Attenuation of Hexavalent Chromium in Ground Water and Soils PDF Download
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Author: Carl D. Palmer
Publisher:
ISBN:
Category : Chromium
Languages : en
Pages : 16
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Author: Carl D. Palmer
Publisher:
ISBN:
Category : Chromium
Languages : en
Pages : 16
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Author: United States. Environmental Protection Agency
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: National Risk Management Research Laboratory (U.S.)
Publisher:
ISBN:
Category : Chromium
Languages : en
Pages : 100
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Author: Commission on Geosciences, Environment, and Resources
Publisher: National Academies Press
ISBN: 0309069327
Category : Science
Languages : en
Pages : 289
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Book Description
In the past decade, officials responsible for clean-up of contaminated groundwater have increasingly turned to natural attenuation-essentially allowing naturally occurring processes to reduce the toxic potential of contaminants-versus engineered solutions. This saves both money and headaches. To the people in surrounding communities, though, it can appear that clean-up officials are simply walking away from contaminated sites. When is natural attenuation the appropriate approach to a clean-up? This book presents the consensus of a diverse committee, informed by the views of researchers, regulators, and community activists. The committee reviews the likely effectiveness of natural attenuation with different classes of contaminants-and describes how to evaluate the "footprints" of natural attenuation at a site to determine whether natural processes will provide adequate clean-up. Included are recommendations for regulatory change. The committee emphasizes the importance of the public's belief and attitudes toward remediation and provides guidance on involving community stakeholders throughout the clean-up process. The book explores how contamination occurs, explaining concepts and terms, and includes case studies from the Hanford nuclear site, military bases, as well as other sites. It provides historical background and important data on clean-up processes and goes on to offer critical reviews of 14 published protocols for evaluating natural attenuation.
Author:
Publisher:
ISBN:
Category : Arsenic
Languages : en
Pages : 124
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Book Description
V.3 ... consists of individual chapters that describe 1) the conceptual background for radionuclides, including tritium, radon, strontium, technetium, uranium, iodine, radium, thorium, cesium, plutonium-americium and 2) data requirements to be met during site characterization.
Author: Lucas Ammi Hellerich
Publisher:
ISBN:
Category :
Languages : en
Pages : 560
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Author: Patrick V. Brady
Publisher: CRC Press
ISBN: 1351429256
Category : Science
Languages : en
Pages : 264
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Book Description
Natural Attenuation: CERCLA, RBCAs, and the Future of Environmental Remediation presents the concept of "natural attenuation"-the tendency of soils to severly limit the toxicity of many types of hazardous waste. It reviews and updates the most recent findings from the field and lab and shows how natural attenuation is rapidly changing the direction and focus of environmental remediation. Outlining the legal and regulatory framework that has made waste remediation so costly, this book shows how applying an understanding of natural attenuation can decrease cleanup outlays while lowering risks to human health. Natural Attenuation: CERCLA, RBCAs, and the Future of Environmental Remediation makes it clear why natural attenuation will be relied upon more and more in the future.
Author: Paul T. Kostecki
Publisher: CRC Press
ISBN: 9780849311574
Category : Technology & Engineering
Languages : en
Pages : 266
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Book Description
The importance of understanding complex toxicological and chemical properties of hexavalent and trivalent chromium has increased rapidly over the last few years as state and federal regulators reevaluate environmental standards. The risk management of chromium-contaminated soils continues to be a very dynamic process that presents interesting challenges. Chromium in Soil discusses the challenges faced by those investigating and remediating chromium-impacted soils and groundwater. The chapters address numerous ground-breaking developments in various fields of environmental chromium research, including toxicity, chemistry, environmental fate and transport, remediation technology, and health-based cleanup standards.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Book Description
Hexavalent chromium (Cr(VI)) plumes are present in the 100 Area at the Hanford Site. Remediation efforts are under way with objectives of restoring the groundwater to meet the drinking-water standard (48 æg/L) and protecting the Columbia River by ensuring that discharge of groundwater to the river is below the surface-water quality standard (10 æg/L). Current remedies include application of Pump-and-Treat (P & T) at the 100-D, 100-H, and 100-K Areas and Monitored Natural Attenuation (MNA) at the 100-F/IU Area. Remedy selection is still under way at the other 100 Areas. Additional information about the natural attenuation processes for Cr(VI) is important in all of these cases. In this study, laboratory experiments were conducted to demonstrate and quantify natural attenuation mechanisms using 100 Area sediments and groundwater conditions.
Author: Joan E. McLean
Publisher:
ISBN:
Category : Hazardous waste sites
Languages : en
Pages : 28
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