Polybrominated Diphenyl Ethers (PBDEs) in Puget Sound Sediments (2004-2008) PDF Download
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Author:
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ISBN:
Category : Persistent pollutants
Languages : en
Pages :
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Author:
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ISBN:
Category : Persistent pollutants
Languages : en
Pages :
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Author: K. L. Kimbrough
Publisher:
ISBN:
Category : Bivalves
Languages : en
Pages : 96
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This report represents the first national assessment of PBDEs in the U.S. coastal zone. Results suggest that they are widely distributed nationally. Several regions, including the northern Mid-Atlantic, central Gulf of Mexico, Southern California, Pacific Northwest and the Great lakes have elevated PBDE concentrations compared with other coastal regions. Furthermore, PBDE concentrations are positively correlated with human population density along the U.S. coastline. The national and regional perspectives provided herein are intended to support research, local monitoring, and to assist resource managers and policy makers tasked with making regulatory decisions about these contaminants.
Author:
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ISBN:
Category : Environmental indicators
Languages : en
Pages : 1
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Author: L. Webster
Publisher:
ISBN: 9788774820758
Category : Chemical oceanography
Languages : en
Pages : 0
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Author: Candice Simmons
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Polybrominated diphenyl ethers (PBDEs) are a widely used class of flame retardants that are important sources for contamination in the marine environment. Sediments serve as a large reservoir for PBDEs due to their large sorption capacity. This research assessed the presence and distribution of PBDEs in Hillsborough Bay, a subdivision of Tampa Bay, FL, by determining levels in surface sediment samples, creating a historical profile of the contaminant in a sediment core taken from within the bay, and investigating sediment characteristics that control their distribution. Compositional patterns and temporal distributions of 8 of the 209 congeners of PBDEs (BDE-28, -47, -99, -100, -153, -154, -183 and 209) were determined in sediment surface samples and a sediment core collected throughout the study area. Contaminant concentrations varied spatially due to proximity to sources and the spatial variability of physical processes that suspend or remove contaminants from the water column. Concentrations in the bay also varied in time with factors such as wind, precipitation, and subsequent freshwater runoff. PBDE contamination in surficial sediments from various regions of Tampa Bay is not well correlated with sediment grain size or organic matter content, but these factors may be more important in suspended sediments which may control the fate of these contaminants in the bay. The results from this investigation can be used in understanding the extent of PBDE pollution, identifying sources, as well as implementing management strategies for Hillsborough Bay.
Author: Patrick William Bradley
Publisher:
ISBN:
Category : Polybrominated diphenyl ethers
Languages : en
Pages : 192
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Author: Ethel Eljarrat
Publisher: Springer Science & Business Media
ISBN: 3642192688
Category : Science
Languages : en
Pages : 300
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Book Description
Brominated flame retardants are one of the last classes of halogenated compounds that are still being produced worldwide and used in large quantities in many applications. They are used in plastics, textiles, electronic circuitry, and other materials to prevent fires. This volume covers the state-of-the-art of the analysis, fate and behaviour of brominated flame retardants. Experts in the field provide an overview of the compounds’ physico-chemical properties and uses, their occurrence in the environment and biota, advanced chemical analytical methods, degradation studies, toxicological effects and human exposure. This book is a valuable and comprehensive source of information for environmental scientists interested in brominated flame retardant issues, and for authorities and producers.
Author: Gary C. Howard
Publisher: CRC Press
ISBN: 0429945914
Category : Nature
Languages : en
Pages : 168
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Book Description
The Puget Sound is a complex fjord-estuary system in Washington State that is connected to the Pacific Ocean by the Juan de Fuca Strait and surrounded by several large population centers. The watershed is enormous, covering nearly 43,000 square kilometers with thousands of rivers and streams. Geological forces, volcanos, Ice Ages, and changes in sea levels make the Sound a biologically dynamic and fascinating environment, as well as a productive ecosystem. Human activity has also influenced the Sound. Humans built several major cities, such as Seattle and Tacoma, have dramatically affected the Puget Sound. This book describes the natural history and evolution of Puget Sound over the last 100 million years through the present and into the future. Key Features Summarizes a complex geological, geographical, and ecological history Reviews how the Puget Sound has changed and will likely change in the future Examines the different roles of various drivers of the Sound’s ecosystem function Includes the role of humans—both first people and modern populations. Explores Puget Sound as an example of general bay ecological and environmental issues
Author: Aurel Nuro
Publisher: BoD – Books on Demand
ISBN: 1839624183
Category : Science
Languages : en
Pages : 334
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Book Description
Emerging Contaminants presents the reader with information on classification, recent studies, and adverse effects on the environment and human health of the main classes of contaminants. Emerging contaminants are synthetic or natural compounds and microorganisms produced and used by humans that cause adverse ecological and human health effects when they reach the environment. This book is organized into four sections that cover the classification of contaminants and the instrumental techniques used to quantify them, recent studies on pesticides, antibiotics as an important group of emerging contaminants, and studies of different classes of emerging contaminants such as polybrominated diphenyl ethers (PBDEs), microplastics, and others.
Author:
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ISBN:
Category : Diphenyl ethers
Languages : en
Pages : 628
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