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Author:
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ISBN:
Category : Aquifers
Languages : en
Pages : 1148
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Book Description
Author:
Publisher:
ISBN:
Category : Aquifers
Languages : en
Pages : 1148
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Aquifers
Languages : en
Pages : 794
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Book Description
Author:
Publisher: National Ground Water Association
ISBN:
Category : Science
Languages : en
Pages : 1348
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Book Description
Author:
Publisher: DIANE Publishing
ISBN: 1428903607
Category : Soil pollution
Languages : en
Pages : 246
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Book Description
This report provides an engineering analysis of, and status report on, selected enhancements for soil vapor extraction (SVE) treatment technologies. The report is intended to assist project managers considering an SVE treatment system by providing them with an up-to-date status of enhancement technologies; an evaluation of each technology's applicability to various site conditions; a presentation of cost and performance information; a list of vendors specializing in the technologies; a discussion of relative strengths and limitations of the technologies; recommendations to keep in mind when considering the enhancements; and a compilation of references. The performance of an SVE system depends on properties of both the contaminants and the soil. SVE is generally applicable to compounds with a vapor pressure of greater than 1 millimeter of mercury at 20EC and a Henry s Law constant of greater than 100 atmospheres per mole fraction. SVE is most effective at sites with relatively permeable contaminated soil and with saturated hydraulic conductivities of greater than 1 x 10 or 1 x 10 centimeter per second (cm/s). SVE by itself does not effectively remove contaminants -3 -2 in saturated soil. However, SVE can be used as an integral part of some treatment schemes that treat both groundwater and the overlying vadose zone. Enhancement technologies should be considered when contaminant or soil characteristics limit the effectiveness of SVE or when contaminants are present in saturated soil. The five enhancement technologies covered in this report are as follows and are described in the following subsections: * Air Sparging * Dual-phase Extraction * Directional Drilling * Pneumatic and Hydraulic Fracturing * Thermal Enhancement.
Author: Franklin W. Schwartz
Publisher: John Wiley & Sons
ISBN: 1119820138
Category : Technology & Engineering
Languages : en
Pages : 516
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Book Description
A thoroughly updated classic on the fundamentals of groundwater The second edition of Fundamentals of Groundwater delivers an expert discussion of the fundamentals of groundwater in the hydrologic cycle and applications to contemporary problems in hydrogeology. The theme of the book is groundwater, broadly defined, and it covers the theory and practice of groundwater—from basic principles of physical and chemical hydrogeology to their application in traditional and emerging areas of practice. This new edition contains extensive revisions, including new discussions of human impacts on aquifers, and strategies and concepts for sustainable development of groundwater. It also covers the theory of groundwater flow—including concepts of hydraulic head and the Darcy equation—and ground water/surface water interactions, as well as geochemistry and contamination. Readers will also find A thorough introduction to the techniques of water resource investigations and regional groundwater flow Comprehensive explorations of groundwater chemistry and its applications in regional characterization and assessments of health impacts Practical discussions of groundwater contamination and water sustainability more generally Fulsome treatments of newly emerged contaminants, like PFAS, pathogens, agricultural contaminants, methane, arsenic, uranium, and redox processes Perfect for undergraduate and graduate students taking courses in hydrogeology, groundwater, geoscience, applied geoscience, and groundwater and contaminant processes, Fundamentals of Groundwater also benefits environmental consultants, geochemists, engineers, and geologists.
Author: Barry Doyle
Publisher: CRC Press
ISBN: 1482290081
Category : Science
Languages : en
Pages : 390
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Book Description
Applies detailed knowledge toward the design and construction of underground civil works projects. Develops critical skills for managing risk and designing reliable gas control measures within project time and cost constraints.
Author: Kofi Asante-Duah
Publisher: CRC Press
ISBN: 0429584466
Category : Science
Languages : en
Pages : 629
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Book Description
This book outlines the strategies used in the investigation, characterization, management, and restoration and remediation for various contaminated sites. It draws on real-world examples from across the globe to illustrate remediation techniques and discusses their applicability. It provides guidance for the successful corrective action assessment and response programs for any type of contaminated land problem, and at any location. The systematic protocols presented will aid environmental professionals in managing contaminated land and associated problems more efficiently. This new edition adds twelve new chapters, and is fully updated and expanded throughout.
Author: David M. Nielsen
Publisher: CRC Press
ISBN: 1420042793
Category : Science
Languages : en
Pages : 326
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Book Description
Tremendous improvements in ground-water sampling methodologies and analytical technologies have made it possible to collect and analyze truly representative samples to detect increasingly lower levels of contaminants-now in the sub-parts-per-billion range. Though these new methods produce more accurate and precise data and are less expensive, many
Author: J. Russell Boulding
Publisher: Routledge
ISBN: 1351449990
Category : Law
Languages : en
Pages : 415
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Book Description
The U.S. Environmental Protection Agency (U.S. EPA) publishes several series of documents that provide up-to-date information about environmental site assessment and remediation. The EPA Environmental Engineering Sourcebook includes papers and bulletins that focus on remediation of soil and groundwater, making them available in a convenient form. This book compiles thirty-five documents- written by recognized leaders - on major methods and promising new techniques for hazardous waste treatment and site remediation. Each chapter evaluates the type of contaminant and site characteristics needed to select a technology for use at hazardous waste sites. The EPA Environmental Engineering Sourcebook presents EPA documents in an easy-to-use, concise format. It contains numerous graphs, charts and figures that make it an important resource for those involved in environmental protection, site remediation, and site assessment. Features Contains chapters written by recognized leaders Examines major methods as well as assesses new techniques for hazardous waste treatment and site remediation Presents information in an easy-to-use, concise format Evaluates each type of contaminant and site characteristics for selecting technology at hazardous waste sites
Author: Robert G. Maliva
Publisher: Springer
ISBN: 3319321374
Category : Science
Languages : en
Pages : 632
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Book Description
This book presents an overview of techniques that are available to characterize sedimentary aquifers. Groundwater flow and solute transport are strongly affected by aquifer heterogeneity. Improved aquifer characterization can allow for a better conceptual understanding of aquifer systems, which can lead to more accurate groundwater models and successful water management solutions, such as contaminant remediation and managed aquifer recharge systems. This book has an applied perspective in that it considers the practicality of techniques for actual groundwater management and development projects in terms of costs, technical resources and expertise required, and investigation time. A discussion of the geological causes, types, and scales of aquifer heterogeneity is first provided. Aquifer characterization methods are then discussed, followed by chapters on data upscaling, groundwater modelling, and geostatistics. This book is a must for every practitioner, graduate student, or researcher dealing with aquifer characterization .
