Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel. Transport, Transformations, Fate and Terrestrial Ecological Effects of Fog Oil Obscurant Smokes

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ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel. Transport, Transformations, Fate and Terrestrial Ecological Effects of Fog Oil Obscurant Smokes by :

Download or read book Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel. Transport, Transformations, Fate and Terrestrial Ecological Effects of Fog Oil Obscurant Smokes written by and published by . This book was released on 1989 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: The terrestrial transport, chemical fate, and ecological effects of fog oil (FO) smoke obscurants were evaluated under controlled wind tunnel conditions. The primary objectives of this research program are to characterize and assess the impacts of smoke and obscurants on: 1) natural vegetation characteristic of U.S. Army training sites in the United States; 2) physical and chemical properties of soils representative of these training sites; and 3) soil microbiological and invertebrate communities. Impacts and dose/responses were evaluated based on an exposure scenario, including exposure duration, exposure rate, and sequential cumulative dosing. Key to understanding the environmental parameters such as relative humidity and wind speed on airborne aerosol characteristics and deposition to receptor surfaces. Direct and indirect biotic effects were evaluated using five plant species and three soil types. Fog oil enhanced the microbial activities in most of the metabolic parameters evaluated. A cumulative dose of fog oil exposure stimulated soil respiration slightly and increased nitro-bacter population in Palouse soil, and greatly increased soil enzyme activity in both Palouse and Burbank soil. Earthworm bioassays indicated no adverse effect of fog oil with exposures up to 800 micrograms/sq. cm soil. In vitro studies, where fog oil was uniformly amended to soil, showed earth- worm survival to be 100% until an exposure of approx. 3600 micrograms/sq. cm (a soil concentration of 285 micrograms FO/g) was reached.

Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel

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ISBN 13 :
Total Pages : pages
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Book Synopsis Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel by : Peter Van Voris

Download or read book Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel written by Peter Van Voris and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel

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ISBN 13 :
Total Pages : 0 pages
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Book Synopsis Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel by :

Download or read book Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel written by and published by . This book was released on 1987 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluate and Characterize Mechanisms Controlling Transport, Fate, and Effects of Army Smokes in the Aerosol Wind Tunnel

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ISBN 13 :
Total Pages : 195 pages
Book Rating : 4.:/5 (893 download)

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Book Synopsis Evaluate and Characterize Mechanisms Controlling Transport, Fate, and Effects of Army Smokes in the Aerosol Wind Tunnel by :

Download or read book Evaluate and Characterize Mechanisms Controlling Transport, Fate, and Effects of Army Smokes in the Aerosol Wind Tunnel written by and published by . This book was released on with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: The terrestrial transport, chemical fate, and ecological effects of hexachloroethane (HC) smoke were evaluated under controlled wind tunnel conditions. The primary objectives of this research program are to characterize and assess the impacts of smoke and obscurants on: (1) natural vegetation characteristic of US Army training sites in the United States; (2) physical and chemical properties of soils representative of these training sites; and (3) soil microbiological and invertebrate communities. Impacts and dose/responses were evaluated based on exposure scenarios, including exposure duration, exposure rate, and sequential cumulative dosing. Key to understanding the environmental impacts of HC smoke/obscurants is establishing the importance of environmental parameters such as relative humidity and wind speed on airborne aerosol characteristics and deposition to receptor surfaces. Direct and indirect biotic effects were evaluated using five plant species and two soil types. HC aerosols were generated in a controlled atmosphere wind tunnel by combustion of hexachloroethane mixtures prepared to simulate normal pot burn rates and conditions. The aerosol was characterized and used to expose plant, soil, and other test systems. Particle sizes of airborne HC ranged from 1.3 to 2.1 [mu]m mass median aerodynamic diameter (MMAD), and particle size was affected by relative humidity over a range of 20% to 85%. Air concentrations employed ranged from 130 to 680 mg/m3, depending on exposure scenario. Chlorocarbon concentrations within smokes, deposition rates for plant and soil surfaces, and persistence were determined. The fate of principal inorganic species (Zn, Al, and Cl) in a range of soils was assessed.

Methods for Field Studies of the Effects of Military Smokes, Obscurants, and Riot-control Agents on Threatened and Engangered Species: Volume 4, Chemical Analytical Methods

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Publisher : DIANE Publishing
ISBN 13 : 1428912339
Total Pages : 133 pages
Book Rating : 4.4/5 (289 download)

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Book Synopsis Methods for Field Studies of the Effects of Military Smokes, Obscurants, and Riot-control Agents on Threatened and Engangered Species: Volume 4, Chemical Analytical Methods by :

Download or read book Methods for Field Studies of the Effects of Military Smokes, Obscurants, and Riot-control Agents on Threatened and Engangered Species: Volume 4, Chemical Analytical Methods written by and published by DIANE Publishing. This book was released on with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (646 download)

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Book Synopsis Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel by :

Download or read book Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in an Aerosol Wind Tunnel written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation and Characterization of Mechanisms Controlling Fate and Effects of Army Smokes

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ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Evaluation and Characterization of Mechanisms Controlling Fate and Effects of Army Smokes by : Dominic A. Cataldo

Download or read book Evaluation and Characterization of Mechanisms Controlling Fate and Effects of Army Smokes written by Dominic A. Cataldo and published by . This book was released on 1990 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this study was to characterize the fate and response of soil and biotic components of the terrestrial environment to aerosols, deposited brass, and brass in combination with fog oil. Important physical, chemical, and biotic aspects were investigated using an environmental wind tunnel. Air/surface deposition rates were determined for foliar and soil surfaces, both in the absence and presence of fog oil. Deposition velocities for foilage ranged from 0.1 to 1.0 cm/s at wind speeds of 2 to 10 mph, respectively. Foliar contact toxicity was assessed using five different types of terrestrial vegetation representative of Army training sites and surrounding environments. No significant foliar contact toxicity was observed for brass. The weathering and chemistry of brass aerosols deposited and amended to soils was assessed, along with the impacts of acid precipitation and moisture regimes on weathering rates. Rates of brass weathering and the fate of solubilized Cu and Zn are discussed. The influence of soil weathering processes and brass solubilization on seed germination indicated no detectable effects of brass. However, moderate toxicity effects ere noted after 160 days of soil incubation. The effects were proportional to soil-loading levels. Influence of soil weathering processes and contaminant solubilization on soil microbiological activities indicated that soil dehydrogenase activity was more susceptible to impacts than was phosphatase activity or microbial biomass.

Energy Research Abstracts

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ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in the Aerosol Wind Tunnel

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in the Aerosol Wind Tunnel by :

Download or read book Evaluate and Characterize Mechanisms Controlling Transport, Fate and Effects of Army Smokes in the Aerosol Wind Tunnel written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An evaluation of the terrestrial transport, transformations and ecological effects of phosphorus (red phosphorus-butyl rubber (RP/BR)) smoke obscurant was performed at Pacific Northwest Laboratory. A similar evaluation using white phosphorus (WP) smoke/obscurant is currently proceeding. The objective is to characterize the effects of smokes and obscurants on: (1) natural vegetation characteristic of US Army training sites in the United States; (2) physical and chemical properties of representative of soils of those sites; and (3) soil microbiological communities. The influence and interactions of smoke/obscurant concentration, relative humidity (25%, 60%, 90% and simulated rain) and wind speed of 0.22 to 4.45 m/s by smoke is assessed. Five plant species and four soils were exposed to both single and repeated doses of RP/BR smokes in the Pacific Northwest Laboratory ''P-3'' rated recirculating environmental wind tunnel. Detailed results for RP/BR and limited results for WP are presented. Toxicity symptoms for plants exposed for 2, 4, 6, and 8 hours to concentrations of RP/BR ranging from 200 mg/m3 included leaf tip burn, leaf curl, leaf abscission and drop, floral abortion, chlorosis, neucrotic spotting, wilting, desiccation and dieback. Grass and bushbean were the most sensitive. The intensity and duration of these effects varied. Soils effects data suggest that there is an increase in the mobility of selected trace elements after exposure; however, this effect appears to be ameliorated with time. Soil microbial community effects show a reduction in the production of nitrate after soil is exposed to RP/BR smoke. Most of the plant, soil and soil microbial effects are transient in nature and are somewhat less intense resulting from repeated exposures; however, there is evidence that some of these environmental impacts may be persistent. 43 refs., 44 figs., 67 tabs.

Chemical Warfare Agents

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Publisher : CRC Press
ISBN 13 : 0429631472
Total Pages : 1197 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis Chemical Warfare Agents by : Brian J. Lukey

Download or read book Chemical Warfare Agents written by Brian J. Lukey and published by CRC Press. This book was released on 2019-04-11 with total page 1197 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of this book, Chemical Warfare Agents: Toxicity at Low Levels, was published just prior to the terrorist attacks of September 11, 2001. The second edition titled, Chemical Warfare Agents: Pharmacology, Toxicology, and Therapeutics, included new epidemiological and clinical studies of exposed or potentially exposed populations; new treatment concepts and products; improved organization of the national response apparatus addressing the potential for CWA terrorism; and improved diagnostic tests that enable rapid diagnosis and treatment. Since the second edition, the chemical warfare agent community has worked hard to advance research for protection and treatment and develop/improve response approaches for individuals and definitive care. Consequently, in addition to updating previous chapters, Chemical Warfare Agents: Biomedical and Psychological Effects, Medical Countermeasures, and Emergency Response, Third Edition features several new chapters that address the Syrian War, chemical destruction, the Organisation for the Prohibition of Chemical Weapons, biomarkers for chemical warfare agent exposure, field sensors, aircraft decontamination, lung/human on a chip, chemical warfare response decision making, and other research advancements. Features: Describes the newest medical interventions, and the latest technologies deployed in the field, as well as developments in the international response to CW usage highlighting recent events in the Middle East Discusses the latest in organizational/interagency partitioning in terms of responsibilities for emergency response, not just in the United States but at the international level—whether prevention, mitigation, medical care, reclamation, or medico-legal aspects of such response Contains the most current research from bench-level experts The third edition contains the most up-to-date and comprehensive coverage of the question of chemical warfare agent employment on the battlefield or in terrorism. Edited by workers that have been in the field for 35+ years, it remains faithful to the scientific "constants," while evaluating and crediting the advances by the industry that have made us safer.

Environmental Toxicology and Chemistry

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ISBN 13 :
Total Pages : 864 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Environmental Toxicology and Chemistry by :

Download or read book Environmental Toxicology and Chemistry written by and published by . This book was released on 1993 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technical Reports Awareness Circular : TRAC.

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ISBN 13 :
Total Pages : 588 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Technical Reports Awareness Circular : TRAC. by :

Download or read book Technical Reports Awareness Circular : TRAC. written by and published by . This book was released on 1989-04 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Environmental Pollution & Control

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ISBN 13 :
Total Pages : 580 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Environmental Pollution & Control by :

Download or read book Environmental Pollution & Control written by and published by . This book was released on with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government reports annual index

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ISBN 13 :
Total Pages : 1700 pages
Book Rating : 4.3/5 (129 download)

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Book Synopsis Government reports annual index by :

Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1700 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 1388 pages
Book Rating : 4.:/5 (318 download)

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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 1991 with total page 1388 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aerosol Science and Technology

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Publisher : RTI Press
ISBN 13 : 1934831018
Total Pages : 584 pages
Book Rating : 4.9/5 (348 download)

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Book Synopsis Aerosol Science and Technology by : David S. Ensor

Download or read book Aerosol Science and Technology written by David S. Ensor and published by RTI Press. This book was released on 2011-10-06 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aerosol Science and Technology: History and Reviews captures an exciting slice of history in the evolution of aerosol science. It presents in-depth biographies of four leading international aerosol researchers and highlights pivotal research institutions in New York, Minnesota, and Austria. One collection of chapters reflects on the legacy of the Pasadena smog experiment, while another presents a fascinating overview of military applications and nuclear aerosols. Finally, prominent researchers offer detailed reviews of aerosol measurement, processes, experiments, and technology that changed the face of aerosol science. This volume is the third in a series and is supported by the American Association for Aerosol Research (AAAR) History Working Group, whose goal is to produce archival books from its symposiums on the history of aerosol science to ensure a lasting record. It is based on papers presented at the Third Aerosol History Symposium on September 8 and 9, 2006, in St. Paul, Minnesota, USA.

Liquid Life

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ISBN 13 : 9781950192182
Total Pages : 600 pages
Book Rating : 4.1/5 (921 download)

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Book Synopsis Liquid Life by : Rachel Armstrong

Download or read book Liquid Life written by Rachel Armstrong and published by . This book was released on 2019 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: If we lived in a liquid world, the concept of a "machine" would make no sense. Liquid life is metaphor and apparatus that discusses the consequences of thinking, working, and living through liquids. It is an irreducible, paradoxical, parallel, planetary-scale material condition, unevenly distributed spatially, but temporally continuous. It is what remains when logical explanations can no longer account for the experiences that we recognize as part of "being alive."Liquid Life references a third-millennial understanding of matter that seeks to restore the agency of the liquid soul for an ecological era, which has been banished by reductionist, "brute" materialist discourses and mechanical models of life. Offering an alternative worldview of the living realm through a "new materialist" and "liquid" study of matter, Armstrong conjures forth examples of creatures that do not obey mechanistic concepts like predictability, efficiency, and rationality. With the advent of molecular science, an increasingly persuasive ontology of liquid technologies can be identified. Through the lens of lifelike dynamic droplets, the agency for these systems exists at the interfaces between different fields of matter/energy that respond to highly local effects, with no need for a central organizing system.Liquid Life seeks an alternative partnership between humanity and the natural world. It provokes a re-invention of the languages of the living realm to open up alternative spaces for exploration, including contributor Rolf Hughes' "angelology" of language, which explores the transformative invocations of prose poetry, and Simone Ferracina's graphical notations that help shape our concepts of metabolism, upcycling, and designing with fluids. A conceptual and practical toolset for thinking and designing, liquid life reunites us with the irreducible "soul substance" of living things, which will neither be simply "solved," nor go away.