National Science Assessment on Dioxins and Furans in the Canadian Aquatic Environment PDF Download
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Author: Canada. Water Policy and Coordination Directorate
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 178
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Book Description
This assessment documents the current status of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) in Canada's aquatic environment, based largely on scientific supporting documents to the Canadian Environmental Quality Guidelines & with updated information & data wherever available. Chapters cover the following topics: physico-chemicals properties of PCDD/Fs and their mode of toxic action; sources (natural & anthropogenic) & releases of PCDD/Fs to the Canadian environment; fate & behaviour of PCDD/Fs in aquatic systems & biota; Canadian environmental levels of PCDD/Fs in air, water, sediment, & aquatic organisms; toxic effects of PCDD/Fs observed in aquatic & semi-aquatic organisms (including water-, sediment-, & dietary-based toxicity), and the initiatives under way to manage PCDD/Fs in the Canadian environment as well as best management practices. The final section discusses emerging issues such as recent advances in waste incineration, PCDD/F treatment in the pulp & paper industry, and use of biological screening in toxicity determination.
Author: Canada. Water Policy and Coordination Directorate
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 178
Get Book Here
Book Description
This assessment documents the current status of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) in Canada's aquatic environment, based largely on scientific supporting documents to the Canadian Environmental Quality Guidelines & with updated information & data wherever available. Chapters cover the following topics: physico-chemicals properties of PCDD/Fs and their mode of toxic action; sources (natural & anthropogenic) & releases of PCDD/Fs to the Canadian environment; fate & behaviour of PCDD/Fs in aquatic systems & biota; Canadian environmental levels of PCDD/Fs in air, water, sediment, & aquatic organisms; toxic effects of PCDD/Fs observed in aquatic & semi-aquatic organisms (including water-, sediment-, & dietary-based toxicity), and the initiatives under way to manage PCDD/Fs in the Canadian environment as well as best management practices. The final section discusses emerging issues such as recent advances in waste incineration, PCDD/F treatment in the pulp & paper industry, and use of biological screening in toxicity determination.
Author: National Status and Trends Program (U.S.)
Publisher:
ISBN:
Category : Chemical oceanography
Languages : en
Pages : 814
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 132
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Book Description
Author: A. Schecter
Publisher: Springer Science & Business Media
ISBN: 1489914625
Category : Science
Languages : en
Pages : 718
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Book Description
This book originated in a series of cross-disciplinary conversations in the years 1984-1990 between the editor, who is a physician-researcher involved in clinical and laboratory research, and a dioxin toxicologist. During the years in which the conversations took place, an extraordinary amount of new scientific literature was published related to dioxins, defined for purposes of this text as the chlorinated dibenzo-p-dioxins, dibenzofurans, polychlorinated biphe nyls (PCB's) and other compounds that are structurally and toxicologically similar to 2,3,7,8-tetrachlorodibenzo-p-dioxin (2,3,7 ,8-TCDD), the most extensively studied and most toxic of this group of chemicals. Dioxins also began to interest not only chemists and toxicologists, but also specialists from diverse disciplines such as wildlife and environmental science, immunology, neuroscience,public health, epidemiology, med icine, government, law, sociology, and journalism. Specialists from such varied disciplines, while familiar with their own literature, frequently did not have time to follow the dioxin literature outside their specialty area. In addition, each specialty had unique knowledge, methods, and perspectives. Cross disciplinary conversation was necessary, but all too frequently, specialists from the various disciplines did not speak the same language, resulting in misunderstanding.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 348
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Book Description
Author: M. Healy
Publisher: Springer Science & Business Media
ISBN: 9401714452
Category : Science
Languages : en
Pages : 337
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Book Description
In recent years public awareness of the long term toxic affects heavy metal ions in waters and wastewaters has increased significantly. Environmental agencies have been imposing more and more stringent discharge limits on industries involved in processes using metal ions. Numerous industries produce aqueous effluents con taining metal ions and particularly copper and cadmium. Copper sulfate is used on a large scale in the electroplating industries. In addition, copper salts are used as fungicides, timber preservatives, insecticides, paint corrosion inhibitors and in dyestuffs. Cadmium is used in the manufacture of nickel-cadmium batteries, as a corrosion inhibitor and control rods in the nuclear industry. The European Com munity has listed cadmium as one of the most dangerous metal due to its toxicity, persistence and bioaccumulation in List 1 of its Directive 76/464/EEC. Therefore, it is important that methods for the removal of these metal ions are found and that the mechanism of removal is characterized and understood. A number of adsorb ents have been identified which are capable of removing copper (Panday et aI. , 1985; Ho et aI. , 1996; Low and Lee, 1987; Low et aI. , 1993; Quek et aI. , 1998) and cadmium (Battacharya and Venkobachar, 1984; Namasivayam and Ranganathan, 1995; Periasamy and Namasivayam, 1994) from aqueous solutions. Sorption kin etic models have been proposed for some systems.
Author:
Publisher:
ISBN:
Category : Lake sediments
Languages : en
Pages : 152
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Book Description
Author: A.H. El-Shaarawi
Publisher: Springer Science & Business Media
ISBN: 9401131864
Category : Technology & Engineering
Languages : en
Pages : 273
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Book Description
A Selection of Papers Presented at the Conference on Environmetrics, held in Cairo, Egypt, April 4-7, 1989
Author:
Publisher:
ISBN:
Category : American literature
Languages : en
Pages : 792
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Book Description
Author: Robert J. Livingston
Publisher: CRC Press
ISBN: 0203492536
Category : Science
Languages : en
Pages : 445
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Book Description
Simplistic thinking would have us believe that by eliminating the loading of a given pollutant, an aquatic system will revert to its previous pristine state. This premise is without scientific verification. Besides the fact that typically very little documentation exists defining what exactly that previous pristine state was, it should be noted tha
