Air Mercury Speciation Foliar Uptake And Wash Off Along An Urban Rural Gradient
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Air Mercury Speciation Foliar Uptake And Wash Off Along An Urban Rural Gradient
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Author : Geoffrey W. Stupple
language : en
Publisher:
Release Date : 2009
Air Mercury Speciation Foliar Uptake And Wash Off Along An Urban Rural Gradient written by Geoffrey W. Stupple and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Mercury (Hg) is a contaminant of global concern due to its long-range atmospheric transport and high toxicity. The focus of this research is on the role of the forest canopy in the accumulation, and delivery of Hg to the soil Hg pool. Particular focus is on the role of atmospheric speciation of Hg on deposition. An urban-rural gradient was examined from Mississauga to Dorset, Ontario, to determine the role of locally emitted Hg: RGM, and PM on deposition. [GEM] was measured to be similar at both sites, and [PM] and [RGM] were greater in the urban location. Seasonal accumulation of Hg on foliar surfaces was dominated by GEM, and similar at the urban (8.74 ng cm -2) and rural (9.80 ng cm-2) locations. Increased [PM] and [RGM] at the urban location resulted in a transient upper canopy Hg pool, and throughfall enrichment at the urban site.
Air Mercury Speciation Foliar Uptake And Wash Off Along An Urban Rural Gradient
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Author : Geoffrey Stupple
language : en
Publisher:
Release Date : 2009
Air Mercury Speciation Foliar Uptake And Wash Off Along An Urban Rural Gradient written by Geoffrey Stupple and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Urban Stormwater Management In The United States
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2009-03-17
Urban Stormwater Management In The United States written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-17 with Nature categories.
The rapid conversion of land to urban and suburban areas has profoundly altered how water flows during and following storm events, putting higher volumes of water and more pollutants into the nation's rivers, lakes, and estuaries. These changes have degraded water quality and habitat in virtually every urban stream system. The Clean Water Act regulatory framework for addressing sewage and industrial wastes is not well suited to the more difficult problem of stormwater discharges. This book calls for an entirely new permitting structure that would put authority and accountability for stormwater discharges at the municipal level. A number of additional actions, such as conserving natural areas, reducing hard surface cover (e.g., roads and parking lots), and retrofitting urban areas with features that hold and treat stormwater, are recommended.
Mercury As A Global Pollutant
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Author : Donald B. Porcella
language : en
Publisher: Springer
Release Date : 2014-08-23
Mercury As A Global Pollutant written by Donald B. Porcella and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-23 with Medical categories.
ACKNOWLEDGEMENTS xiv PART I MERCURY AND HUMAN HEALTH B. WHEATLEY and S. PARADIS I Exposure of Canadian Aboriginal Peoples to Methylmercury 3-11 M. GIRARD and C. DUMONT I Exposure of James Bay Cree to Methylmercury during Pregnancy for the Years 1983-91 13-19 M. RICHARDSON, M. MITCHELL, S. COAD and R. RAPHAEL I Exposure to Mercury in Canada: A Multimedia Analysis 21-30 M. RICHARDSON, M. EGYED and D. J. CURRIE I Human Exposure to Mercury may Decrease as Acidic Deposition Increases 31-39 L. E. FLEMING, S. WATKINS, R. KADERMAN, B. LEVIN, D. R. AVYAR, M. BIZZIO, D. STEPHENS and J. A. BEAN I Mercury Exposure in Humans through Food Consumption from the Everglades of Florida 41-48 J. M. GEARHART, H. J. CLEWELL III, K. S. CRUMP, A. M. SHIPP and A. SILVERS I Pharmacokinetic Dose Estimates of Mercury in Children and Dose-Response Curves of Performance Tests in a Large Epidemiological Study 49-58 I. SKARE I Mass Balance and Systemic Uptake of Mercury Released from Dental Amalgam Fillings 59-67 J. DELLINGER, N. KMIECIK, S. GERSTENBERGER and H. NGU I Mercury Contamina tion of Fish in the Ojibwa Diet: I. Walleye Fillets and Skin-On versus Skin-Off Sampling 69-76 J. DELLINGER, L. MALEK and M. BEATTIE I Mercury Contamination of Fish in the Ojibwa Diet: II. Sensory Evoked Responses in Rats Fed Walleye 77-83 H. AKAGI, O. MALM, F. J. P. BRANCHES, Y. KINJO, Y. KASHIMA, J. R. D. GUIMARAES, R. B. OLIVEIRA, K. HARAGUCHI, W. C. PFEIFFER, Y.
Waste Incineration And Public Health
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2000-10-21
Waste Incineration And Public Health written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-10-21 with Science categories.
Incineration has been used widely for waste disposal, including household, hazardous, and medical wasteâ€"but there is increasing public concern over the benefits of combusting the waste versus the health risk from pollutants emitted during combustion. Waste Incineration and Public Health informs the emerging debate with the most up-to-date information available on incineration, pollution, and human healthâ€"along with expert conclusions and recommendations for further research and improvement of such areas as risk communication. The committee provides details on: Processes involved in incineration and how contaminants are released. Environmental dynamics of contaminants and routes of human exposure. Tools and approaches for assessing possible human health effects. Scientific concerns pertinent to future regulatory actions. The book also examines some of the social, psychological, and economic factors that affect the communities where incineration takes place and addresses the problem of uncertainty and variation in predicting the health effects of incineration processes.
Process Design Manual
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Author :
language : en
Publisher:
Release Date : 1995
Process Design Manual written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Sewage as fertilizer categories.
Soil Pollution A Hidden Reality
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2018-04-30
Soil Pollution A Hidden Reality written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-30 with Technology & Engineering categories.
This document presents key messages and the state-of-the-art of soil pollution, its implications on food safety and human health. It aims to set the basis for further discussion during the forthcoming Global Symposium on Soil Pollution (GSOP18), to be held at FAO HQ from May 2nd to 4th 2018. The publication has been reviewed by the Intergovernmental Technical Panel on Soil (ITPS) and contributing authors. It addresses scientific evidences on soil pollution and highlights the need to assess the extent of soil pollution globally in order to achieve food safety and sustainable development. This is linked to FAO’s strategic objectives, especially SO1, SO2, SO4 and SO5 because of the crucial role of soils to ensure effective nutrient cycling to produce nutritious and safe food, reduce atmospheric CO2 and N2O concentrations and thus mitigate climate change, develop sustainable soil management practices that enhance agricultural resilience to extreme climate events by reducing soil degradation processes. This document will be a reference material for those interested in learning more about sources and effects of soil pollution.
Fundamentals Of Urban Runoff Management
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Author : Earl Shaver
language : en
Publisher:
Release Date : 2007
Fundamentals Of Urban Runoff Management written by Earl Shaver and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Urban runoff categories.
Climate Change Unpacking The Burden On Food Safety
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2020-03-01
Climate Change Unpacking The Burden On Food Safety written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-03-01 with Technology & Engineering categories.
Climate change is causing unprecedented damage to our ecosystem. Increasing temperatures, ocean warming and acidification, severe droughts, wildfires, altered precipitation patterns, melting glaciers, rising sea levels and amplification of extreme weather events have direct implications for our food systems. While the impacts of such environmental factors on food security are well known, the effects on food safety receive less attention. The purpose of Climate change: Unpacking the burden on food safety is to identify and attempt to quantify some current and anticipated food safety issues that are associated with climate change. The food safety hazards considered in the publication are foodborne pathogens and parasites, harmful algal blooms, pesticides, mycotoxins and heavy metals with emphasis on methylmercury. There is also, a dedicated section on the benefits of forward-looking approaches such as horizon scanning and foresight, which will not only aid in anticipating future challenges in a shifting global food safety landscape, but also help build resilient food systems that can be continually updated as more knowledge is assimilated. By building a more widespread and better understanding of the consequences climate change has on food safety, it is hoped that this document will aid in fostering stronger international cooperation in making our food safer by reducing the global burden of these concerns.
Water Quality Assessments
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Author : Deborah V Chapman
language : en
Publisher: CRC Press
Release Date : 1996-08-22
Water Quality Assessments written by Deborah V Chapman and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-08-22 with Science categories.
This guidebook, now thoroughly updated and revised in its second edition, gives comprehensive advice on the designing and setting up of monitoring programmes for the purpose of providing valid data for water quality assessments in all types of freshwater bodies. It is clearly and concisely written in order to provide the essential information for all agencies and individuals responsible for the water quality.