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Author : N. K. Nagpal,British Columbia. Water Protection Branch
Publisher : Water Protection Branch
Page : 15 pages
File Size : 48,5 Mb
Release : 2001-01-01
Category : Selenium
ISBN : 0772646260
Author : N. K. Nagpal,Kate Howell,British Columbia. Water Protection Branch
Publisher : Water Protection Branch
Page : 150 pages
File Size : 55,9 Mb
Release : 2001-01-01
Category : Selenium
ISBN : 0772646295
Author : Anonim
Publisher : Unknown
Page : 136 pages
File Size : 45,9 Mb
Release : 1980
Category : Trace elements in water
ISBN : UCR:31210018930527
Author : A. Dennis Lemly
Publisher : Springer Science & Business Media
Page : 184 pages
File Size : 42,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461300731
Selenium is a naturally occurring trace element that can become concentrated and released by industrial, agricultural, petrochemical and mining activities. At concentrated levels it is toxic and has polluted ecosystems around the world. This book will serve as a comprehensive practical handbook for everyone dealing with selenium in aquatic environments. It offers field-tested approaches and methods for assessment and water quality management. Using his twenty-year experience, the author discusses the effects of selenium on fish and bird populations and presents guidelines for identifying sources of pollution, interpreting selenium concentrations, assessing hazardous conditions, setting water quality criteria and ecosystem loading limits (TMDLs). He also includes a procedure for setting environmentally safe limits that ensure compliance with EPA regulations. Selenium Assessment in Aquatic Ecosystems will interest field scientists, natural resource managers, risk assessors and environmental planners.
Author : United States. Environmental Protection Agency. Office of Water Regulations and Standards
Publisher : Unknown
Page : 456 pages
File Size : 50,5 Mb
Release : 1986
Category : Water
ISBN : MINN:31951D00766818X
Section 304(a) (1) of the Clean Water Act 33 U.S.C. 1314(a) (1) requires the Environmental Protection Agency (EPA) to publish and periodically update ambient water quality criteria. These criteria are to accurately reflect the latest scientific knowledge (a) on the kind and extent of all identifiable effects on health and welfare including, but not limited to, plankton, fish shellfish, wildlife, plant life, shorelines, beaches, aesthetics, and recreation which may be expected from the presence of pollutants in any body of water including ground water; (b) on the concentration and dispersal of pollutants, or their byproducts, through biological, physical, and chemical processes; and (c) on the effects of pollutants on biological community diversity, productivity, and stability, including information on the factors affecting rates of eutrophication and organic and inorganic sedimentation for varying types of receiving waters. In a continuing effort to provide those who use EPA's water quality and human health criteria with up-to-date criteria values and associated information, the document was assembled. The document includes summaries of all the contaminants for which EPA has developed criteria recommendations.
Author : Peter M. Chapman,William J. Adams,Marjorie Brooks,Charles G. Delos,Samuel N. Luoma,William A. Maher,Harry M. Ohlendorf,Theresa S. Presser,Patrick Shaw
Publisher : CRC Press
Page : 370 pages
File Size : 54,5 Mb
Release : 2010-05-06
Category : Science
ISBN : 9781439826782
Based on the work and contributions of 46 scientists, managers, and policymakers, Ecological Assessment of Selenium in the Aquatic Environment documents the state of the science and explores how to use this information when assessing and managing the environmental effects of Se. A focused discussion on the fate and effects of Se in aquatic ecosyste
Author : Anonim
Publisher : Unknown
Page : 382 pages
File Size : 53,9 Mb
Release : 2016
Category : Delegated legislation
ISBN : OSU:32437123589307
Author : United States. Environmental Protection Agency. Office of Water Regulations and Standards. Criteria & Standards Division
Publisher : Unknown
Page : 136 pages
File Size : 44,8 Mb
Release : 1980
Category : Selenosis
ISBN : MINN:31951002868213K
Author : United States. National Technical Advisory Committee on Water Quality Criteria
Publisher : Unknown
Page : 250 pages
File Size : 45,5 Mb
Release : 1968
Category : Water
ISBN : MINN:31951D01944728Y
Author : Chris M. Wood,Anthony Peter Farrell,Colin J. Brauner
Publisher : Academic Press
Page : 524 pages
File Size : 44,7 Mb
Release : 2012
Category : Electronic books
ISBN : 9780123786364
Homeostasis and Toxicology of Essential Metals synthesizes the explosion of new information on the molecular, cellular, and organismal handling of metals in fish in the past 15 years. These elements are no longer viewed by fish physiologists as "heavy metals" that kill fish by suffocation, but rather as interesting moieties that enter and leave fish by specific pathways, which are subject to physiological regulation. The metals featured in this volume are those about which there has been most public and scientific concern, and therefore are those most widely studied by fish researchers. Metals such as Cu, Zn, Fe, Ni, Co, Se, Mo and Cr are either proven to be or are strongly suspected to be essential in trace amounts, yet are toxic in higher doses.
Author : Milind Mohan Naik,Santosh Kumar Dubey
Publisher : Springer
Page : 270 pages
File Size : 47,8 Mb
Release : 2016-09-23
Category : Science
ISBN : 9789811010446
Marine environment is the largest habitat covering approximately 70% of the total earth surface. Oceans are the main regulatory agent of earth’s climate and harbour a huge diversity of living organisms. Marine environment provide a unique ecological niche to different microbes which play a significant role in nutrient recycling as well as various environmental activities. However with rapid industrialization, urbanisation, ship trafficking and mining activities enormous amounts of waste including heavy metals, hydrocarbons, chemicals, dyes, organic load, agriculture waste, pesticides, antifoulants (e.g. tributyltin) and bacterial pathogens have accumulated in marine/estuarine environments over several decades and pose a serious threat to marine macro and micro biota and humans and therefore require special attention. However some natural marine microbes are known to possess diverse resistance mechanisms and degradation pathways to variety of toxic pollutants and these unique characteristics of marine/estuarine bacteria proved to be an ideal tool in bioremediation of contaminated marine and estuarine environmental sites. Reclamation of marine polluted environments using marine microbes has been found to be effective, affordable and ecofriendly technological solution over conventional physical and chemical methods. Objective of this book is focus on marine pollution and application of marine microorganisms in cost effective and ecofriendly methods of pollution abatement.
Author : Keith B. Tierney,Anthony Farrell,Colin Brauner
Publisher : Academic Press
Page : 570 pages
File Size : 52,5 Mb
Release : 2013-12-04
Category : Technology & Engineering
ISBN : 9780123982551
Fish Physiology: Organic Chemical Toxicology of Fishes discusses the different types of organic chemical contaminants and their respective toxic effects in fish. The book also covers the detection of dissolved organic compounds and methods to assess organic toxicity. Substances addressed in this book include organometallics, hydrocarbons, endocrine disrupting compounds (EDCs), insecticides, herbicides, and pharmaceuticals. Fish are exposed to an ever-increasing array of organic chemicals that find their way into rivers and oceans. Some of these compounds are no longer being produced but nonetheless persist within the environment (persistent organic pollutants, or POPs). The exposure of fish to toxic organic compounds has potential impact on human, fish, and ecosystem health. Yet the regulations that govern environmental water quality vary worldwide, and compliance is never complete. This book provides a crucial resource on these issues for researchers in zoology, fish physiology, and related fields; applied researchers in environmental monitoring, conservation biology, and toxicology; and university-level students and instructors in these areas. Organized by type of toxic organic chemicals Includes metals, POPs, EDCs, herbicides, insecticides, and pharmaceuticals Measures toxicity in a variety of ways aside from lethality Probes the toxic effects of compound mixtures as well as single pollutants
Author : World Health Organization
Publisher : World Health Organization
Page : 260 pages
File Size : 51,5 Mb
Release : 1993
Category : Medical
ISBN : 9241545038
This volume describes the methods used in the surveillance of drinking water quality in the light of the special problems of small-community supplies, particularly in developing countries, and outlines the strategies necessary to ensure that surveillance is effective.
Author : David Clark
Publisher : Unknown
Page : 32 pages
File Size : 51,5 Mb
Release : 1994
Category : Dams
ISBN : UCR:31210022262941
Author : Erik R. Christensen,An Li
Publisher : John Wiley & Sons
Page : 447 pages
File Size : 45,7 Mb
Release : 2014-08-22
Category : Technology & Engineering
ISBN : 9781118911617
There is need in environmental research for a book on fresh waters including rivers and lakes. Compared with other books on the topic, this book has a unique outline in that it follows pollution from sources to impact. Included in the text is the treatment of various tracers, ranging from pathogens to stable isotopes of elements and providing a comprehensive discussion which is lacking in many other books on pollution control of natural waters. Geophysical processes are discussed emphasizing mixing of water, interaction between water and the atmosphere, and sedimentation processes. Important geochemistry processes occurring in natural waters are described as are the processes specific to nutrients, organic pollutants, metals, and pathogens in subsequent chapters. Each of these chapters includes an introduction on the selected groups, followed by the physicochemical properties which are the most relevant to their behavior in natural waters, and the theories and models to describe their speciation, transport and transformation. The book also includes the most up to date information including a discussion on emerging pollutants such as brominated and phosphate flame retardants, perflurochemicals, and pharmaceutical and personal care products. Due to its importance an ecotoxicology chapter has been included featuring molecular biological methods, nanoparticles, and comparison of the basis of biotic ligand model with the Weibull dose-response model. Finally, the last chapter briefly summarizes the regulations on ambient water quality.