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Sampling Trace Level Organics With Polymeric Tubings
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Book Synopsis Sampling Trace-Level Organics with Polymeric Tubings by : Louise V. Parker
Download or read book Sampling Trace-Level Organics with Polymeric Tubings written by Louise V. Parker and published by DIANE Publishing. This book was released on 1996 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study is the second phase of a two-year effort to determine the effects that sampling tubings have on organic analyte concentrations. In the first year, 20 different tubings were compared, under static conditions, with respect to sorption of organic contaminants and leaching of organic constituents. In this study, we examined what occurs under dynamic conditions when TCE-contaminated water is pumped through several different types of polymeric tubings. Sorption of organic solutes, leaching of organic constituents, and desorption of sorbed organic contaminants were all examined. Five tubings were selected for this study: a rigid fluoropolymer, a flexible fluoropolymer, low-density polyethylene (LDPE), and two plasticized polypropylene tubings. These materials were selected because our static studies had shown that these tubings leached little or no organic constituents (as determined by HPLC analyses with an ultraviolet UV detector) and ranged from being the least sorptive tubings tested to among the most highly sorptive. The effects of tubing length and flow rate were examined. Results from these studies indicate that if water is pumped through tubing at a slow flow rate (100 mL/min), fluoropolymers should be used to prevent extensive losses of TCE and more sorptive analytes, especially if the tubing is 50 ft or longer. If a faster flow rate (1 L/min) is used, it appears that LDPE tubing can be used to sample TCE and other less sorptive analytes, although time for equilibration (2% hr) should be allowed to reduce losses in the deepest wells.
Book Synopsis Sampling Trace-level Organics with Polymeric Tubings by : Louise V. Parker
Download or read book Sampling Trace-level Organics with Polymeric Tubings written by Louise V. Parker and published by . This book was released on 1996 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sampling Trace-level Organics with Polymeric Tubings by : Louise V. Parker
Download or read book Sampling Trace-level Organics with Polymeric Tubings written by Louise V. Parker and published by . This book was released on 1997 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sampling Trace-Level Organics with Polymeric Tubings. Revision by :
Download or read book Sampling Trace-Level Organics with Polymeric Tubings. Revision written by and published by . This book was released on 1996 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is concern whether tubings used to sample groundwater can affect contaminant concentrations. Tubings might sorb contaminants, thereby giving falsely low values, or they might leach contaminants, thereby giving falsely high values. There also is concern that a tubing used previously in a well with high concentrations of contaminants might subsequently desorb contaminants into samples taken from other wells if decontamination is insufficient. Our review of the literature indicated that these concerns are valid, although a comprehensive study of this subject does not exist. In our laboratory study, we looked for sorption of a suite of organic solutes by 20 polymeric tubings under static conditions. Seven of these tubings were flexible and the others were rigid. We found that among the rigid tubings tested, the three fluoropolymers (fluorinated ethylene propylene (FEP), FEP-lined polyethylene, and polyvinylidene fluoride (PVDF) were the least sorptive tubings. However, even these tubings readily sorbed some of the analytes. Among the flexible tubings tested, a fluoroelastomer tubing and a tubing made of a copolymer of vinylidene fluoride and hexafluoropropylene (PVDF-HFP) were the least sorptive. We also found that several of the 20 tubings appeared to leach constituents into the test solution. We were unable to detect any evidence that constituents leached from the polyethylene tubings, the rigid fluoropolymer tubings, and one of the plasticized polypropylene tubings. Currently, we are conducting studies to see whether the effects we observed in this study increase, decrease, or remain the same under dynamic conditions.
Book Synopsis Decontaminating Groundwater Sampling Devices by : Louise V. Parker
Download or read book Decontaminating Groundwater Sampling Devices written by Louise V. Parker and published by . This book was released on 1997 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Decontaminating Materials Used in Groundwater Sampling Devices by : Louise V. Parker
Download or read book Decontaminating Materials Used in Groundwater Sampling Devices written by Louise V. Parker and published by . This book was released on 1997 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Special Report written by and published by . This book was released on 1997 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Contaminant Hydrogeology by : C. W. Fetter
Download or read book Contaminant Hydrogeology written by C. W. Fetter and published by Waveland Press. This book was released on 2017-10-24 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tremendous progress has been made in the field of remediation technologies since the second edition of Contaminant Hydrogeology was published two decades ago, and its content is more important than ever. Recognizing the extensive advancement and research taking place around the world, the authors have embraced and worked from a larger global perspective. Boving and Kreamer incorporate environmental innovation in studying and treating groundwater/soil contamination and the transport of those contaminants while building on Fetter’s original foundational work. Thoroughly updated, expanded, and reorganized, the new edition presents a wealth of new material, including new discussions of emerging and potential contaminant sources and their characteristics like deep well injection, fracking fluids, and in situ leach mining. New sections cover BET and Polanyi adsorption potential theory, vapor transport theory, the introduction of the Capillary and Bond Numbers, the partitioning interwell tracer testing technique for investigating NAPL sites, aerial photographic interpretation, geophysics, immunological surveys, high resolution vertical sampling, flexible liner systems, groundwater tracers, and much more. Contaminant Hydrogeology is intended as a textbook in upper level courses in mass transport and contaminant hydrogeology, and remains a valuable resource for professionals in both the public and private sectors.
Download or read book Ground Water Sampling written by and published by . This book was released on 1995 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Environmental Analysis by : Pradyot Patnaik
Download or read book Handbook of Environmental Analysis written by Pradyot Patnaik and published by CRC Press. This book was released on 2017-08-23 with total page 661 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook will cover all aspects of environmental analysis and will examine the emergence of many new classes of pollutants in recent years. It will provide information on an array of topics from instrumentation, analytical techniques, and sample preparations to statistical calculations, chemical structures, and equations. It will present the tools and techniques required to measure a wide range of toxic pollutants in our environment. It will be fully revised throughout, and will add four new chapters (Microbial Analysis, Chlorophyll, Chlorine, Chloramines and Chlorine Dioxide, and Derivatization Reactions in Environmental Analysis).
Book Synopsis Encyclopedia of Physical Organic Chemistry, 6 Volume Set by : Zerong Wang
Download or read book Encyclopedia of Physical Organic Chemistry, 6 Volume Set written by Zerong Wang and published by John Wiley & Sons. This book was released on 2017-04-17 with total page 4542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Winner of 2018 PROSE Award for MULTIVOLUME REFERENCE/SCIENCE This encyclopedia offers a comprehensive and easy reference to physical organic chemistry (POC) methodology and techniques. It puts POC, a classical and fundamental discipline of chemistry, into the context of modern and dynamic fields like biochemical processes, materials science, and molecular electronics. Covers basic terms and theories into organic reactions and mechanisms, molecular designs and syntheses, tools and experimental techniques, and applications and future directions Includes coverage of green chemistry and polymerization reactions Reviews different strategies for molecular design and synthesis of functional molecules Discusses computational methods, software packages, and more than 34 kinds of spectroscopies and techniques for studying structures and mechanisms Explores applications in areas from biology to materials science The Encyclopedia of Physical Organic Chemistry has won the 2018 PROSE Award for MULTIVOLUME REFERENCE/SCIENCE. The PROSE Awards recognize the best books, journals and digital content produced by professional and scholarly publishers. Submissions are reviewed by a panel of 18 judges that includes editors, academics, publishers and research librarians who evaluate each work for its contribution to professional and scholarly publishing. You can find out more at: proseawards.com Also available as an online edition for your library, for more details visit Wiley Online Library
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996-10 with total page 1416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book EPA-600/9 written by and published by . This book was released on 1976 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Environmental Protection Agency. Office of Research and Development Publisher : ISBN 13 : Total Pages :708 pages Book Rating :4.F/5 ( download)
Book Synopsis ORD Publications Summary by : United States. Environmental Protection Agency. Office of Research and Development
Download or read book ORD Publications Summary written by United States. Environmental Protection Agency. Office of Research and Development and published by . This book was released on 1976 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Instrumentation for Trace Organic Monitoring by : Raymond E. Clement
Download or read book Instrumentation for Trace Organic Monitoring written by Raymond E. Clement and published by CRC Press. This book was released on 2018-02-01 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Instrumentation for Trace Organic Monitoring provides comprehensive coverage of instrumental analysis techniques for trace organic analytes in environmental analysis. Sampling/sample preparation is discussed, in addition to mass spectrometry techniques, including GC-MS, HRMS, LCMS, APIMS, and MS-MS. This important book also covers new chromatography techniques, supercritical fluid, solid-phase extraction, and ion mobility spectrometry, which is a new ultra-sensitive technique. Difficult problems, such as dioxin/furan analysis, organometallic speciation, atmospheric organic vapors, water analysis, and flyash toxicity testing are addressed.
Book Synopsis EPA Environmental Assessment Sourcebook by : J. Russell Boulding
Download or read book EPA Environmental Assessment Sourcebook written by J. Russell Boulding and published by CRC Press. This book was released on 1996-03-01 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Environmental Protection Agency (EPA) sponsors constant publication of the latest soil and groundwater contamination studies. Editor J. Russell Boulding has compiled the most recent and the best of these documents in the EPA Environmental Assessment Sourcebook. This book is required reading for both the novice and the experienced environmental academic or technician. Boulding's selections address the basic concepts of contaminant behavior through the newest sampling techniques. The EPA Environmental Assessment Sourcebook is an essential and convenient tool for anyone on the cutting edge of contamination detection, monitoring, and hopefully, someday, prevention.
Book Synopsis Handbook of Water Analysis by : Leo M.L. Nollet
Download or read book Handbook of Water Analysis written by Leo M.L. Nollet and published by CRC Press. This book was released on 2000-06-27 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work details water sampling and preservation methods by enumerating the different ways to measure physical, chemical, organoleptical, and radiological characteristics. It provides step-by-step descriptions of separation, residue determination, and cleanup techniques for a variety of fresh- and salt-waters. It also discusses information regarding the analysis and detection of bacteria and algae.
