Dense Non Aqueous Phase Liquids Dnapls

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Introduction to Environmental Forensics

Author : Brian L. Murphy
Publisher : Academic Press
ISBN 13 : 0124047076
Total Pages : 747 pages
Book Rating : 4.1/5 (24 download)

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Book Synopsis Introduction to Environmental Forensics by : Brian L. Murphy

Download or read book Introduction to Environmental Forensics written by Brian L. Murphy and published by Academic Press. This book was released on 2014-07-30 with total page 747 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third edition of Introduction to Environmental Forensics is a state-of-the-art reference for the practicing environmental forensics consultant, regulator, student, academic, and scientist, with topics including compound-specific isotope analysis (CSIA), advanced multivariate statistical techniques, surrogate approaches for contaminant source identification and age dating, dendroecology, hydrofracking, releases from underground storage tanks and piping, and contaminant-transport modeling for forensic applications. Recognized international forensic scientists were selected to author chapters in their specific areas of expertise and case studies are included to illustrate the application of these methods in actual environmental forensic investigations. This edition provides updates on advances in various techniques and introduces several new topics. Provides a comprehensive review of all aspects of environmental forensics Coverage ranges from emerging statistical methods to state-of-the-art analytical techniques, such as gas chromatography-combustion-isotope ratio mass spectrometry and polytopic vector analysis Numerous examples and case studies are provided to illustrate the application of these forensic techniques in environmental investigations

Dense Non-aqueous Phase Liquids (DNAPLs) in Groundwater

Author : B. H. Usher
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (87 download)

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Book Synopsis Dense Non-aqueous Phase Liquids (DNAPLs) in Groundwater by : B. H. Usher

Download or read book Dense Non-aqueous Phase Liquids (DNAPLs) in Groundwater written by B. H. Usher and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Groundwater and Soil Cleanup

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309065496
Total Pages : 301 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Groundwater and Soil Cleanup by : National Research Council

Download or read book Groundwater and Soil Cleanup written by National Research Council and published by National Academies Press. This book was released on 1999-11-21 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a comprehensive, up-to-date review of technologies for cleaning up contaminants in groundwater and soil. It provides a special focus on three classes of contaminants that have proven very difficult to treat once released to the subsurface: metals, radionuclides, and dense nonaqueous-phase liquids such as chlorinated solvents. Groundwater and Soil Cleanup was commissioned by the Department of Energy (DOE) as part of its program to clean up contamination in the nuclear weapons production complex. In addition to a review of remediation technologies, the book describes new trends in regulation of contaminated sites and assesses DOE's program for developing new subsurface cleanup technologies.

Research Provides Remediation Tools to Manage Dense Non-aqueous Phase Liquids (DNAPLs).

Author :
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (694 download)

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Book Synopsis Research Provides Remediation Tools to Manage Dense Non-aqueous Phase Liquids (DNAPLs). by :

Download or read book Research Provides Remediation Tools to Manage Dense Non-aqueous Phase Liquids (DNAPLs). written by and published by . This book was released on 2007 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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.

Dense Non-Aqueous Phase Liquids (DNAPLs): Review of Emerging Characterization and Remediation Technologies

Author :
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Dense Non-Aqueous Phase Liquids (DNAPLs): Review of Emerging Characterization and Remediation Technologies by :

Download or read book Dense Non-Aqueous Phase Liquids (DNAPLs): Review of Emerging Characterization and Remediation Technologies written by and published by . This book was released on 2000 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of the mounting interest from ITRC member states in addressing DNAPL contaminant problems, ITRC was asked for input on several sampling and analysis plans commissioned by the Interagency DNAPL Consortium (IDC) as part of its DNAPL demonstration project at Cape Canaveral Air Station in Florida. Initially formed in 1999 to review these documents, the ITRC DNAPL Work Team was expanded to address emerging issues in DNAPL characterization and remediation. The team has prepared this technology overview document to summarize recent developments in this field. The purpose of this document is to educate regulators and project managers about the DNAPL problem and to spotlight a selection of emerging characterization and remediation technologies for DNAPLs. Traditionally, sites with DNAPL were often dealt with through a ground water containment strategy whereby the recalcitrant source material and/or the resultant plume of dissolved contaminants are physically contained and monitored over the long term to keep them from migrating further. Emerging in situ technologies are now being developed that actively target these DNAPL sources for elimination or substantial reduction. DNAPL Source Characterization. Because the DNAPL source is targeted, additional characterization efforts, focused in the known or suspected source zone, are often needed to go beyond the conventional techniques typically used to delineate a dissolved plume. In addition to modifications of conventional soil and water sampling methods, innovative field characterization methods may in some cases reasonably provide higher reliability in the detection and quantification of DNAPL. Three general types of emerging DNAPL characterization technologies are presented in this document: geophysical techniques (noninstrusive to minimally intrusive), direct push technologies employing one or a variety of DNAPL screening/sampling devices; and in situ, large-volume chromatography using chemical tracers.

Alternatives for Ground Water Cleanup

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309049946
Total Pages : 334 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Alternatives for Ground Water Cleanup by : National Research Council

Download or read book Alternatives for Ground Water Cleanup written by National Research Council and published by National Academies Press. This book was released on 1994-02-01 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: There may be nearly 300,000 waste sites in the United States where ground water and soil are contaminated. Yet recent studies question whether existing technologies can restore contaminated ground water to drinking water standards, which is the goal for most sites and the result expected by the public. How can the nation balance public health, technological realities, and cost when addressing ground water cleanup? This new volume offers specific conclusions, outlines research needs, and recommends policies that are technologically sound while still protecting health and the environment. Authored by the top experts from industry and academia, this volume: Examines how the physical, chemical, and biological characteristics of the subsurface environment, as well as the properties of contaminants, complicate the cleanup task. Reviews the limitations of widely used conventional pump-and-treat cleanup systems, including detailed case studies. Evaluates a range of innovative cleanup technologies and the barriers to their full implementation. Presents specific recommendations for policies and practices in evaluating contamination sites, in choosing remediation technologies, and in setting appropriate cleanup goals.

Laboratory Investigation of Dense Non-aqueous Phase Liquid (DNAPL) Partial Source Zone Remediation Using Cosolvents

Author : Andrew Joseph Kaye
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (659 download)

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Book Synopsis Laboratory Investigation of Dense Non-aqueous Phase Liquid (DNAPL) Partial Source Zone Remediation Using Cosolvents by : Andrew Joseph Kaye

Download or read book Laboratory Investigation of Dense Non-aqueous Phase Liquid (DNAPL) Partial Source Zone Remediation Using Cosolvents written by Andrew Joseph Kaye and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: There are hundreds of thousands of commercial, military, and industrial sites across the country where chemical wastes cause contamination to groundwater. Some of the more challenging sites to clean up contain contaminants as dense non-aqueous phase liquids (DNAPLs). There is currently no consensus in the academic, technical and regulatory communities on the ecological or environmental impacts of DNAPL source zone treatment. While many in-situ technologies have shown the ability to remove a significant portion of the contaminant mass, none are able to remove all of it from the source zone. This study investigates the benefits of partial source zone removal using cosolvent flushing. The benefits were assessed by characterizing the relationship between reductions in DNAPL mass and the corresponding reduction in contaminant mass discharge in several laboratory scale experiments. Also, the effects of fluid override and underride associated with cosolvent flushing on the mass reduction (MR) vs. flux reduction (FR) relationship were investigated. The results indicate a model with beta> 1 may be a good approximation of the MR vs. FR relationship using enhanced dissolution by the cosolvents in systems with similar degrees DNAPL and media heterogeneity. Also, the override and underride associated with cosolvents did not significantly affect their remediation.

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.

Dense Non-Aqueous Phase Liquid (DNAPL) Physical Modeling Study

Author :
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (946 download)

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Book Synopsis Dense Non-Aqueous Phase Liquid (DNAPL) Physical Modeling Study by :

Download or read book Dense Non-Aqueous Phase Liquid (DNAPL) Physical Modeling Study written by and published by . This book was released on 2002 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document presents the results of a physical modeling study performed at the Air Force Research Laboratory (AFRL) between June 6, 1996 and September 6, 1997 by a multidisciplinary team comprised of University of Florida (UF), Applied Research Associates, Inc. (ARA), and AFRL researchers. This study investigated the dissolution behavior of dense non-aqueous phase liquids (DNAPLs) in three-dimensional flow systems under controlled laboratory conditions.

Dense Nonaqueous Phase Liquids

Author : Scott G. Huling
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Dense Nonaqueous Phase Liquids by : Scott G. Huling

Download or read book Dense Nonaqueous Phase Liquids written by Scott G. Huling and published by . This book was released on 1991 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dense Nonaqueous Phase Liquids

Author :
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Dense Nonaqueous Phase Liquids by :

Download or read book Dense Nonaqueous Phase Liquids written by and published by . This book was released on 1992 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dense Chlorinated Solvents and Other DNAPLs in Groundwater

Author : James F. Pankow
Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Dense Chlorinated Solvents and Other DNAPLs in Groundwater by : James F. Pankow

Download or read book Dense Chlorinated Solvents and Other DNAPLs in Groundwater written by James F. Pankow and published by . This book was released on 1996 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:

How to Effectively Recover Free Product at Leaking Underground Storage Tank Sites

Author :
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis How to Effectively Recover Free Product at Leaking Underground Storage Tank Sites by :

Download or read book How to Effectively Recover Free Product at Leaking Underground Storage Tank Sites written by and published by . This book was released on 1996 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Contaminant Hydrogeology

Author : Charles Willard Fetter
Publisher : Waveland Press
ISBN 13 : 9781577665830
Total Pages : 0 pages
Book Rating : 4.6/5 (658 download)

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Book Synopsis Contaminant Hydrogeology by : Charles Willard Fetter

Download or read book Contaminant Hydrogeology written by Charles Willard Fetter and published by Waveland Press. This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

In Situ Source Characterisation of Dense Non-aqueous Phase Liquids (DNAPLs) in a Fractured Rock Environment

Author : Vierah Hulley
Publisher :
ISBN 13 :
Total Pages : 420 pages
Book Rating : 4.:/5 (863 download)

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Book Synopsis In Situ Source Characterisation of Dense Non-aqueous Phase Liquids (DNAPLs) in a Fractured Rock Environment by : Vierah Hulley

Download or read book In Situ Source Characterisation of Dense Non-aqueous Phase Liquids (DNAPLs) in a Fractured Rock Environment written by Vierah Hulley and published by . This book was released on 2013 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Groundwater Science

Author : Charles R. Fitts
Publisher : Academic Press
ISBN 13 : 0123847052
Total Pages : 698 pages
Book Rating : 4.1/5 (238 download)

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Book Synopsis Groundwater Science by : Charles R. Fitts

Download or read book Groundwater Science written by Charles R. Fitts and published by Academic Press. This book was released on 2012-08-06 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater Science, 2E, covers groundwater's role in the hydrologic cycle and in water supply, contamination, and construction issues. It is a valuable resource for students and instructors in the geosciences (with focuses in hydrology, hydrogeology, and environmental science), and as a reference work for professional researchers. This interdisciplinary text weaves important methods and applications from the disciplines of physics, chemistry, mathematics, geology, biology, and environmental science, introducing you to the mathematical modeling and contaminant flow of groundwater. New to the Second Edition:. New chapter on subsurface heat flow and geothermal systems. Expanded content on well construction and design, surface water hydrology, groundwater/ surface water interaction, slug tests, pumping tests, and mounding analysis.. Updated discussions of groundwater modeling, calibration, parameter estimation, and uncertainty. Free software tools for slug test analysis, pumping test analysis, and aquifer modeling. Lists of key terms and chapter contents at the start of each chapter. Expanded end-of-chapter problems, including more conceptual questions. Two-color figures. Homework problems at the end of each chapter and worked examples throughout. Companion website with videos of field exploration and contaminant migration experiments, PDF files of USGS reports, and data files for homework problems. PowerPoint slides and solution manual for adopting faculty.