Modeling The Effect Of Nonlinear And Rate Limited Sorption On The Natural Attenuation Of Chlorinated Ethenes

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Modeling the Effect of Nonlinear and Rate-Limited Sorption on the Natural Attenuation of Chlorinated Ethenes

Author : Peter P. Feng
Publisher :
ISBN 13 : 9781423538936
Total Pages : 81 pages
Book Rating : 4.5/5 (389 download)

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Book Synopsis Modeling the Effect of Nonlinear and Rate-Limited Sorption on the Natural Attenuation of Chlorinated Ethenes by : Peter P. Feng

Download or read book Modeling the Effect of Nonlinear and Rate-Limited Sorption on the Natural Attenuation of Chlorinated Ethenes written by Peter P. Feng and published by . This book was released on 2000-03-01 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chlorinated solvents like tetrachloroethene (PCE) and trichloroethene (TCE) are the most common detected groundwater contaminants at Department of Defense installations in the United States. Unfortunately, technologies conventionally used to remediate chlorinated solvent-contaminated groundwater often fall short of achieving regulatory goals. Natural attenuation of chlorinated solvents offers an alternative remediation strategy that may achieve goals. However, the processes involved with natural attenuation are not fully understood, and this lack of understanding has hindered acceptance of natural attenuation by regulatory agencies. This study involved use of a numerical model that incorporated the physical, chemical, and biological processes thought to be relevant to the fate and transport of chlorinated ethenes in the subsurface. The model was used to conduct a parameter sensitivity analysis, to investigate the effect of non-linear and rate-limited sorption processes on the natural attenuation of chlorinated ethenes. The model showed that both rate-limited and non-linear sorption resulted in early arrival of contaminant at wells downgradient of a source area, as well as persistence of contamination at the wells for long periods of time.

Environmental Impact Assessment of Recycled Wastes on Surface and Ground Waters

Author : Tarek A. Kassim
Publisher : Springer Science & Business Media
ISBN 13 : 9783540235859
Total Pages : 268 pages
Book Rating : 4.2/5 (358 download)

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Book Synopsis Environmental Impact Assessment of Recycled Wastes on Surface and Ground Waters by : Tarek A. Kassim

Download or read book Environmental Impact Assessment of Recycled Wastes on Surface and Ground Waters written by Tarek A. Kassim and published by Springer Science & Business Media. This book was released on 2005-07-20 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 3: Engineering Modeling and Sustainability. This 3-volume reference presents the latest findings in impact assessment of recycled hazardous waste materials on surface and ground waters. Topics covered include chemodynamics, toxicology, modeling and information systems. The book serves as a practical guide for the monitoring, design, management, or conduct of environmental impact assessment. Each volume contains the table of contents of all volumes.

Natural Attenuation of Environmental Contaminants

Author : Andrea Leeson
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Natural Attenuation of Environmental Contaminants by : Andrea Leeson

Download or read book Natural Attenuation of Environmental Contaminants written by Andrea Leeson and published by . This book was released on 2001 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: The symposium included 600 presentations in 50 sessions on bioremediation and supporting technologies used for a wide range of contaminants already in, or poised to invade, soil, groundwater, and sediment. Three hundred and fifty-two papers were selected and organized into ten volumes. Volume two's articles address the use of natural attenuation to remediate sites with a variety of hydrocarbons and chlorinated compounds contaminating porous media and groundwater. Methods of encouraging naturally occurring microbial activity are discussed, along with sampling, assessment, and long-term monitoring techniques and devices. Articles average eight pages and contain abstracts and references. Annotation copyrighted by Book News Inc., Portland, OR.

Natural Attenuation for Groundwater Remediation

Author : Commission on Geosciences, Environment, and Resources
Publisher : National Academies Press
ISBN 13 : 0309069327
Total Pages : 289 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Natural Attenuation for Groundwater Remediation by : Commission on Geosciences, Environment, and Resources

Download or read book Natural Attenuation for Groundwater Remediation written by Commission on Geosciences, Environment, and Resources and published by National Academies Press. This book was released on 2000-08-31 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Contaminants in the Subsurface

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 030909447X
Total Pages : 371 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Contaminants in the Subsurface by : National Research Council

Download or read book Contaminants in the Subsurface written by National Research Council and published by National Academies Press. This book was released on 2005-04-23 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: At hundreds of thousands of commercial, industrial, and military sites across the country, subsurface materials including groundwater are contaminated with chemical waste. The last decade has seen growing interest in using aggressive source remediation technologies to remove contaminants from the subsurface, but there is limited understanding of (1) the effectiveness of these technologies and (2) the overall effect of mass removal on groundwater quality. This report reviews the suite of technologies available for source remediation and their ability to reach a variety of cleanup goals, from meeting regulatory standards for groundwater to reducing costs. The report proposes elements of a protocol for accomplishing source remediation that should enable project managers to decide whether and how to pursue source remediation at their sites.

Transport, Behavior, and Fate of Volatile Organic Compounds in Streams

Author : R. E. Rathbun
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Transport, Behavior, and Fate of Volatile Organic Compounds in Streams by : R. E. Rathbun

Download or read book Transport, Behavior, and Fate of Volatile Organic Compounds in Streams written by R. E. Rathbun and published by . This book was released on 1998 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemical Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 2734 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Chemical Abstracts by :

Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2734 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309278139
Total Pages : 423 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites by : National Research Council

Download or read book Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites written by National Research Council and published by National Academies Press. This book was released on 2013-02-27 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: Across the United States, thousands of hazardous waste sites are contaminated with chemicals that prevent the underlying groundwater from meeting drinking water standards. These include Superfund sites and other facilities that handle and dispose of hazardous waste, active and inactive dry cleaners, and leaking underground storage tanks; many are at federal facilities such as military installations. While many sites have been closed over the past 30 years through cleanup programs run by the U.S. Department of Defense, the U.S. EPA, and other state and federal agencies, the remaining caseload is much more difficult to address because the nature of the contamination and subsurface conditions make it difficult to achieve drinking water standards in the affected groundwater. Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites estimates that at least 126,000 sites across the U.S. still have contaminated groundwater, and their closure is expected to cost at least $110 billion to $127 billion. About 10 percent of these sites are considered "complex," meaning restoration is unlikely to be achieved in the next 50 to 100 years due to technological limitations. At sites where contaminant concentrations have plateaued at levels above cleanup goals despite active efforts, the report recommends evaluating whether the sites should transition to long-term management, where risks would be monitored and harmful exposures prevented, but at reduced costs.

Introduction to Phytoremediation of Contaminated Groundwater

Author : James E. Landmeyer
Publisher : Springer Science & Business Media
ISBN 13 : 9400719574
Total Pages : 427 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Introduction to Phytoremediation of Contaminated Groundwater by : James E. Landmeyer

Download or read book Introduction to Phytoremediation of Contaminated Groundwater written by James E. Landmeyer and published by Springer Science & Business Media. This book was released on 2011-09-18 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the reader with the comprehensive view necessary to understand and critically evaluate the design, implementation, and monitoring of phytoremediation at sites characterized by contaminated groundwater. Part I presents the historical foundation of the interaction between plants and groundwater, introduces fundamental groundwater concepts for plant physiologists, and introduces basic plant physiology for hydrogeologists. Part II presents information on how to assess, design, implement, and monitor phytoremediation projects for hydrologic control. Part III presents how plants take up and detoxify a wide range of organic xenobiotics in contaminated groundwater systems, and provides various approaches on how this can be assessed and monitored. Throughout, concepts are emphasized with numerous case studies, illustrations and pertinent literature citations.

Toxicological Profile for Trichloroethylene

Author :
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Toxicological Profile for Trichloroethylene by :

Download or read book Toxicological Profile for Trichloroethylene written by and published by . This book was released on 1997 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:

AGU 2004 Joint Assembly

Author : American Geophysical Union. Joint Assembly
Publisher :
ISBN 13 :
Total Pages : 568 pages
Book Rating : 4.6/5 (91 download)

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Book Synopsis AGU 2004 Joint Assembly by : American Geophysical Union. Joint Assembly

Download or read book AGU 2004 Joint Assembly written by American Geophysical Union. Joint Assembly and published by . This book was released on 2004 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:

DNAPL Site Evaluation

Author : James W. Mercer
Publisher : CRC Press
ISBN 13 : 1040285805
Total Pages : 371 pages
Book Rating : 4.0/5 (42 download)

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Book Synopsis DNAPL Site Evaluation by : James W. Mercer

Download or read book DNAPL Site Evaluation written by James W. Mercer and published by CRC Press. This book was released on 2024-11-01 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: DNAPL Site Evaluation covers long-term contamination of ground water by DNAPL (dense non-aqueous phase liquids) chemicals. The book develops a framework for planning and implementing DNAPL site characterization activities. It provides detailed methods to identify, characterize, and monitor sites and analyzes their utility, limitations, risks, availability, and cost. Methods to interpret contaminant fate and transport are identified, and new site characterization methods are assessed. DNAPL Site Evaluation will maximize the cost-effectiveness of site investigation/remediation by providing the best information available to describe and evaluate methods to be used for determining the presence, fate, and transport of subsurface DNAPL contamination. The book will be a useful reference for groundwater professionals and environmental regulatory personnel.

Environmental Investigation and Remediation

Author : Thomas K.G. Mohr
Publisher : CRC Press
ISBN 13 : 0203489373
Total Pages : 552 pages
Book Rating : 4.2/5 (34 download)

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Book Synopsis Environmental Investigation and Remediation by : Thomas K.G. Mohr

Download or read book Environmental Investigation and Remediation written by Thomas K.G. Mohr and published by CRC Press. This book was released on 2016-04-19 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: A ubiquitous, largely overlooked groundwater contaminant, 1,4-dioxane escaped notice by almost everyone until the late 1990s. While some dismissed 1,4-dioxane because it was not regulated, others were concerned and required testing and remediation at sites they oversaw. Drawing years of 1,4-dioxane research into a convenient resource, Environmental

3D-Groundwater Modeling with PMWIN

Author : Wen-Hsing Chiang
Publisher : Springer Science & Business Media
ISBN 13 : 3540275924
Total Pages : 415 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis 3D-Groundwater Modeling with PMWIN by : Wen-Hsing Chiang

Download or read book 3D-Groundwater Modeling with PMWIN written by Wen-Hsing Chiang and published by Springer Science & Business Media. This book was released on 2005-11-10 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offer a complete simulation system for modeling groundwater flow and transport processes. The companion full-version software (PMWIN) comes with a professional graphical user-interface, supported models and programs and several other useful modeling tools. Tools include a Presentation Tool, a Result Extractor, a Field Interpolator, a Field Generator, a Water Budget Calculator and a Graphic Viewer. Book targeted at novice and experienced groundwater modelers.

The Hyporheic Handbook

Author : Great Britain, Environment Agency Staff
Publisher :
ISBN 13 : 9781849111317
Total Pages : 33 pages
Book Rating : 4.1/5 (113 download)

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Book Synopsis The Hyporheic Handbook by : Great Britain, Environment Agency Staff

Download or read book The Hyporheic Handbook written by Great Britain, Environment Agency Staff and published by . This book was released on 2009-11 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook brings together the latest research on a range of topics related to the groundwater-surface water interface and hyporheic zones specifically for environmental management practitioners.

In Situ Remediation of Chlorinated Solvent Plumes

Author : Hans F. Stroo
Publisher : Springer Science & Business Media
ISBN 13 : 1441914013
Total Pages : 807 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis In Situ Remediation of Chlorinated Solvent Plumes by : Hans F. Stroo

Download or read book In Situ Remediation of Chlorinated Solvent Plumes written by Hans F. Stroo and published by Springer Science & Business Media. This book was released on 2010-09-10 with total page 807 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the late 1970s and early 1980s, our nation began to grapple with the legacy of past disposal practices for toxic chemicals. With the passage in 1980 of the Comprehensive Envir- mental Response, Compensation, and Liability Act (CERCLA), commonly known as Sup- fund, it became the law of the land to remediate these sites. The U. S. Department of Defense (DoD), the nation’s largest industrial organization, also recognized that it too had a legacy of contaminated sites. Historic operations at Army, Navy, Air Force, and Marine Corps facilities, ranges, manufacturing sites, shipyards, and depots had resulted in widespread contamination of soil, groundwater, and sediment. While Superfund began in 1980 to focus on remediation of heavily contaminated sites largely abandoned or neglected by the private sector, the DoD had already initiated its Installation Restoration Program in the mid-1970s. In 1984, the DoD began the Defense Environmental Restoration Program (DERP) for contaminated site assessment and remediation. Two years later, the U. S. Congress codified the DERP and directed the Secretary of Defense to carry out a concurrent program of research, development, and demonstration of innovative remediation technologies. As chronicled in the 1994 National Research Council report, “Ranking Hazardous-Waste Sites for Remedial Action,” our early estimates on the cost and suitability of existing techn- ogies for cleaning up contaminated sites were wildly optimistic. Original estimates, in 1980, projected an average Superfund cleanup cost of a mere $3.

Natural Attenuation of Contaminants in Soils

Author : Raymond N. Yong
Publisher : CRC Press
ISBN 13 : 0203508211
Total Pages : 336 pages
Book Rating : 4.2/5 (35 download)

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Book Synopsis Natural Attenuation of Contaminants in Soils by : Raymond N. Yong

Download or read book Natural Attenuation of Contaminants in Soils written by Raymond N. Yong and published by CRC Press. This book was released on 2003-12-15 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural attenuation has become widely recognized as an effective and low-cost alternative to more expensive engineered remediation. However, there are uncertainties about natural attenuation√s long-term effects and risks to the environment. There is a particular need to develop a high level of understanding of the natural attenuation proces