Download or read book Mobile Field Monitoring of Volatile Organics and Toxic Air Pollutants Using a Mobile Tandem Mass Spectrometer System written by BI. Shushan and published by . This book was released on 1990 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The recent marriage of tandem mass spectrometry (MS/MS) to mobile trace atmospheric gas analyzer (TAGA) technology has resulted in an analytical system capable of real-time direct air analysis for toxic air pollutants (TAP), volatile organic compounds (VOC), and odor compounds at concentrations as low as a few parts per trillion. This direct analytical approach obviates problems associated with conventional trapping methods. The latest design of a mobile MS/MS laboratory comprises a customized 9-m (30-ft) transit motor coach configured with a TAGA 6000EM MS/MS system and ancillary equipment. This paper discusses the incorporation of a sorbent cartridge purge unit into the TAGA system to assist in rapidly distinguishing between isomeric compounds (for example, ethylbenzene and xylene) using gas chromatography (GC/MS/MS. This paper also describes combining real-time TAP analysis with meteorological data to rapidly and accurately characterize plume profiles and emission frequencies. The mobility of the TAGA detector permitted the precise location of point source and fugitive emissions. Examples are provided for industrial emissions of methyl ethyl ketone and dimethyl sulfide. A simple method of on-site calibration was used, based upon headspace syringe injection. Under interactive computer control, calibration constants were determined in about 5 min per compound within the ambient air matrix. Other recent software developments are discussed, including the ability to simultaneously monitor up to 128 different compounds with real-time output in concentration units.
Download or read book Monitoring Methods for Toxics in the Atmosphere Papers presented at the Conference on Recent Developments in Monitoring Methods for Toxics in the Atmosphere American Society for Testing and Materials ASTM Boulder CO July 27 31 1987 written by Zielinski Jr WL Ed and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Air Toxics Monitoring Plan for the Denver Metropolitan Area - Integrated Environmental Management Project; Defining Toxics Problems at the State Level - The State of California's Monitoring Program; Program Strategies for Standards Development for Hazardous Waste Incineration; Assessing the Performance of Ambient Air Samplers for Volatile Organic Compounds; Auditing Hazardous Waste Incineration - EPA Program; Development of Multicomponent Parts per Billion Level Gas Standards of Volatile Toxic Organic Compounds; Mobile Field Monitoring of Volatile Organics and Toxic Air Pollutants Using a Mobile Tandem Mass Spectrometer System; Comparison of Techniques in Gas Analysis; Characterization of a Low Concentration Level Acid Gas Calibration System, Sulfur Dioxide in Air, from 100 to 1 ppb; Analysis of Low Concentration Level Gaseous Sulfur Compounds in the Atmosphere; New Technologies for Use in Acid Deposition Networks; Strategies for Continuous Monitoring of Hydrogen Chloride Emissions from Municipal Solid Waste Incinerators; Measurement of HCl in Flue Gas by Infrared Spectroscopy with the Spectran 677 Infrared HCl Monitoring System; Analysis of Atmospheric Particulate Samples via Instrumental Neutron Activation Analysis; Mutagenic Atmospheric Aerosol Sources Apportioned by Receptor Modeling; Sampling and Analysis of Nitrogen Dioxide and Respirable Particles in the Indoor Environment.
Download or read book Monitoring Methods for Toxics in the Atmosphere written by Walter L. Zielinski and published by ASTM International. This book was released on 1990 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monitoring of Air Pollutants written by and published by Elsevier. This book was released on 2015-11-29 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monitoring of Air Pollutants: Sampling, Sample Preparation and Analytical Techniques provides a comprehensive reference on air pollutant monitoring, addressing experimental approaches to sampling and sample preparation, as well as analytical technologies (instrumental methods) which are applicable to a wide range of topics. The book's purpose is to provide an in-depth resource on the monitoring of ambient air pollutants that covers the basic principles, recent developments, and important applications in the field. Current trends and recent advances are discussed, both with respect to analytical techniques and target air pollutants. All aspects of air pollutant monitoring, from sampling, to sample preparation, and analysis, are covered, making this the book of choice for consultation by air monitoring practitioners. Contains all the information needed for air pollutant monitoring from sampling, to sample preparation, to analysis Provides guidance on the best analytical approach for a target pollutant Presents the pros and cons of included techniques to enable informed decisions Includes case studies based on published practical applications
Download or read book Acid Precipitation written by and published by . This book was released on 1992-07 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applications of Ground based Mobile Atmospheric Monitoring written by J. Douglas Goetz and published by . This book was released on 2017 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas and particle phase atmospheric pollution are known to impact human and environmental health as well as contribute to climate forcing. While many atmospheric pollutants are regulated or controlled in the developed world uncertainty still remains regarding the impacts from under characterized emission sources, the interaction of anthropogenic and naturally occurring pollution, and the chemical and physical evolution of emissions in the atmosphere, among many other uncertainties. Because of the complexity of atmospheric pollution many types of monitoring have been implemented in the past, but none are capable of perfectly characterizing the atmosphere and each monitoring type has known benefits and disadvantages. Ground-based mobile monitoring with fast-response in-situ instrumentation has been used in the past for a number of applications that fill data gaps not possible with other types of atmospheric monitoring. In this work, ground-based mobile monitoring was implemented to quantify emissions from under characterized emission sources using both moving and portable applications, and used in a novel way for the characterization of ambient concentrations. In the Marcellus Shale region of Pennsylvania two mobile platforms were used to estimate emission rates from infrastructure associated with the production and transmission of natural gas using two unique methods. One campaign investigated emissions of aerosols, volatile organic compounds (VOCs), methane, carbon monoxide (CO), nitrogen dioxide (NO2), and carbon dioxide (CO2) from natural gas wells, well development practices, and compressor stations using tracer release ratio methods and a developed fenceline tracer release correction factor. Another campaign investigated emissions of methane from Marcellus Shale gas wells and infrastructure associated with two large national transmission pipelines using the "Point Source Gaussian" method described in the EPA OTM-33a. During both campaigns ambient concentrations of methane, CO and other pollutants were continuously monitored while driving throughout the region. A smoothing technique was developed to remove contributions of direct unmixed emissions to produce a dataset that can be used in comparison with other monitoring techniques (e.g. stationary, aircraft). Finally, a portable mobile lab equipped with fast-response aerosol instrumentation including an Aerosol Mass Spectrometer (AMS) was used to characterize non-refractory aerosol and black carbon emissions from common, but under characterized emission sources in South Asia (i.e. brick kilns, cookstoves, open garbage burning, irrigation pumps). Speciated submicron aerosol emission factors, size distributions, and mass spectral profiles were retrieved for each emission source. This work demonstrates that ground-based mobile laboratory measurements are useful for characterizing emissions and ambient concentrations in authentic conditions outside of the conventional laboratory environment, and in ways not possible with other atmospheric monitoring platforms.
Download or read book Proceedings of the 1987 EPA APCA Symposium on Measurement of Toxic and Related Air Pollutants written by and published by . This book was released on 1987 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Air Monitoring Instrumentation written by Carol J. Maslansky and published by . This book was released on 1993-06-02 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Air Monitoring Instrumentation A Manual for Emergency, Investigatory, and Remedial Responders Carol J. Maslansky / Steven P. Maslansky Hazardous emergency responders and safety personnel take note—if you’ve ever needed a hands-on manual that gives easy-to-understand, step-by-step instruction on the function, use, operation, and limitations of air monitoring instruments, Air Monitoring Instrumentation is that manual. This straightforward guide is written by two noted consultants in the field, who have had many years of experience utilizing and teaching the proper use of air monitoring equipment. While many books address the theory and science behind air sampling, this is the only sourcebook that actually teaches the proper use of many different types of instruments, while also providing information on properly recording and interpreting readings. The instruments covered here are some of the most popular pieces of equipment in use today, and include: combustible gas indicators • electrochemical sensors • colorimetric detector tubes • photoionization detectors • flame ionization detectors • toxic gas leak detectors • radiation meters. With the help of numerous examples drawn from actual field operations, Air Monitoring Instrumentation demonstrates how to evaluate, operate, and interpret instrument responses during emergency, investigatory, and remedial operations. You can improve your comprehension of each piece of equipment and its application through learning objectives, review questions, and problem sets found throughout the book. Carefully presented examples, diagrams, and photographs also help to build your understanding of the equipment and its proper use. Air Monitoring Instrumentation’s uniquely practical, useful coverage gives you a vital understanding of: the pros and cons of different manufacturers, models, and designs, including older discontinued models still in common use, and modifications available to basic models strategies for choosing the best air monitoring devices for specific applications, including emergency response, industrial situations, confined space hazards, and hazardous waste site operations specific limitations for the most commonly used devices, including information not found in manufacturers’ manuals and much more When you use Air Monitoring Instrumentation, you’ll also get access to extensive checklists, conversion tables, and field report forms—vital parts of instrument deployment. This extremely practical, expert guide will be an essential working tool for hazardous material responders, industrial hygienists, safety professionals, health departments, and industrial and manufacturing site workers.
Download or read book Comprehensive Environmental Mass Spectrometry written by Albert Lebedev and published by ILM Publications. This book was released on 2012 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In full colour throughout, this book describes the power of mass spectrometry in resolving environmental issues, demonstrating how real-world complex problems can be solved in a simple and elegant way."--Worldcat.
Download or read book Development of a Field Portable Mass Spectrometer for Quantitative Analysis of Volatile Organic Compounds in Air written by Nicholas Davey and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The typical strategy for atmospheric analysis of volatile organic compounds(VOCs), is to collect discrete samples which are then transported to a laboratory foranalysis. This method has limited spatial and temporal resolution, and can be bothcostly and time consuming. To overcome these limitations, a mobile monitoringplatform was developed for real-time quantitative chemical analysis. This workdescribes the development of membrane introduction mass spectrometer andidenti es the necessary requirements to make a reliable and e ective instrument forin-situ chemical analysis. These include, the integration of a membrane interfacewith a miniaturized mass spectrometer, development of a data managementstrategy, reducing the e ects of isobaric interferences and employing an internalstandard for quantitative measurements. Furthermore, the negative e ects ofenvironmental variables, such as the Earth's magnetic eld, were examined ande ectively eliminated. In addition, this work demonstrates quantitative mapping ofatmospheric VOCs in real-time, which allows rapid identi cation of chemical plumesand therefore, areas of potential concern. Both lab and eld-based comparisons ofivmembrane introduction mass spectrometer data and traditional whole air samplingcanister data were undertaken. The primary eld site was near Ft. McMurray, ABwhere baseline data was collected around a steam assisted gravity drainage (SAGD)facility and surrounding public roads. Monitoring for fugitive emissions at thisfacility and surrounding bitumen mining and processing operations is demonstrated.Field data were also obtained, near an industrial site in Ft.Saskatchewan, AB, thatdemonstrate the e cacy of an adaptive sampling strategy. Finally, chemicalionization was investigated as a soft ionization strategy to improve chemicalselectivity for the analysis of complex hydrocarbon mixtures. The development of anin-line liquid chemical ionization reagent delivery system is presented and proposedas an e ective strategy for eliminating interferences arising from biogenic terpenesand alkyl aromatics. In all, this thesis presents the design and implementation of amobile membrane introduction mass spectrometer for atmospheric chemicalanalysis. Results that improve performance and demonstrate the novelty of thedata-type are provided, along with avenues for future development.
Download or read book Hazardous Industrial Waste Treatment written by Lawrence K. Wang and published by CRC Press. This book was released on 2006-10-02 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Featuring chapters from the bestselling Handbook of Industrial and Hazardous Wastes Treatment, Second Edition, this resource presents valuable strategies culled from the latest technologies and keen insights of experts in the field. Hazardous Industrial Waste Treatment explains industry and waste-specific analyses and treatment methods for industrial and hazardous waste materials - from explosive wastes to landfill leachate to wastes produced by metal finishing, photographic, and timber processing. Additional information covers the means of monitoring waste on site, pollution, and site remediation, and includes a timely evaluation of the role of biotechnology in contemporary industrial waste management.
Download or read book Development of a Membrane Inlet Mass Spectrometer MIMS for Environmental Monitoring and Other Applications written by Farnoush Salarzaei and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book High Throughput Mass Spectrometry in Drug Discovery written by Chang Liu and published by John Wiley & Sons. This book was released on 2023-06-29 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-Throughput Mass Spectrometry in Drug Discovery Apply mass spectrometry to every phase of new drug discovery with this cutting-edge guide Mass spectrometry is a technique that identifies and characterizes compounds based on their mass — the fundamental molecular characteristic. It has become an invaluable analytical tool in various disciplines, industries, and research fields. It has become particularly central to new drug discovery and development, which broadly deploys mass spectrometry at every phase. The pharmaceutical industry has become one of the main drivers of technological development in mass spectrometry. High-Throughput Mass Spectrometry in Drug Discovery offers a comprehensive introduction to mass spectrometry and its applications in pharmaceutical discovery. It covers the foundational principles and science of mass spectrometry before moving to specific experimental methods and their applications at various stages of drug discovery. Its thorough treatment and detailed guidance make it an invaluable tool for pharmaceutical research and development. High-Throughput Mass Spectrometry in Drug Discovery readers will also find: Detailed analysis of techniques, including label-free screening, synthetic reaction optimization, and more An authorial team with extensive combined experience in research and industrial applications Technical strategies with the potential to accelerate quantitative bioanalysis in drug discovery High-Throughput Mass Spectrometry in Drug Discovery is essential for analytical, bioanalytical, and medicinal chemists working in the pharmaceutical industry and for any researchers and graduate students interested in drug discovery and development.
Download or read book Handbook of Industrial and Hazardous Wastes Treatment written by Lawrence K. Wang and published by CRC Press. This book was released on 2004-06-29 with total page 1368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting effective, practicable strategies modeled from ultramodern technologies and framed by the critical insights of 78 field experts, this vastly expanded Second Edition offers 32 chapters of industry- and waste-specific analyses and treatment methods for industrial and hazardous waste materials-from explosive wastes to landfill leachate to w
Download or read book EPA Publications Bibliography written by United States. Environmental Protection Agency and published by . This book was released on 1987 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nitrogen oxides NOx why and how they are controlled written by and published by DIANE Publishing. This book was released on 1999 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Screening Volatile Organics by Direct Sampling Ion Trap and Glow Discharge Mass Spectrometry written by and published by . This book was released on 1991 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two different types of direct sampling mass spectrometers are currently being evaluated in our laboratory for use as rapid screening tools for volatile organics in a wide range of environmental matrices. These include a commercially available ITMS ion trap mass spectrometer and a specially designed tandem source glow discharge quadrupole mass spectrometer. Both of these instruments are equipped with versatile sampling interfaces which enable direct monitoring of volatile organics at part-per-billion (ppb) levels in air, water, and soil samples. Direct sampling mass spectrometry does not utilize chromatographic or other separation steps prior to admission of samples into the analyzer. Instead, individual compounds are measured using one or more of the following methods: spectral subtraction, selective chemical ionization, and tandem mass spectroscopy (MS/MS). For air monitoring applications, an active sniffer'' probe is used to achieve instantaneous response. Water and soil samples are analyzed by means of high speed direct purge into the mass spectrometer. Both instruments provide a range of ionization options for added selectivity and the ITMS can also provide high efficiency collision induced dissociation MS/MS for target compound analysis. Detection limits and response factors have been determined for a large number volatile organics in air, water, and number of different soil types. 4 refs., 14 figs., 3 tabs.
