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Author:
Publisher: DIANE Publishing
ISBN: 1428902341
Category : Ammonia
Languages : en
Pages : 153
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Book Description
Author:
Publisher: DIANE Publishing
ISBN: 1428902341
Category : Ammonia
Languages : en
Pages : 153
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Book Description
Author:
Publisher:
ISBN:
Category : Ammonia
Languages : en
Pages : 164
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Author: Environmental Research Laboratory (Narragansett, R.I.)
Publisher:
ISBN:
Category : Ammonia
Languages : en
Pages : 96
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Author: United States. Environmental Protection Agency. Office of Water Regulations and Standards
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 456
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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: Richard Nels Nordin
Publisher: BC Environment, Water Quality Branch, 1990 [i.e. 1993]
ISBN: 9780772617293
Category : Ammonia
Languages : en
Pages : 11
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Author:
Publisher:
ISBN:
Category : Delegated legislation
Languages : en
Pages : 332
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Author: Environmental Research Laboratory (Narragansett, R.I.)
Publisher:
ISBN:
Category : Ammonia
Languages : en
Pages : 62
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Author:
Publisher:
ISBN:
Category : Water quality
Languages : en
Pages : 60
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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309069483
Category : Science
Languages : en
Pages : 422
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Environmental problems in coastal ecosystems can sometimes be attributed to excess nutrients flowing from upstream watersheds into estuarine settings. This nutrient over-enrichment can result in toxic algal blooms, shellfish poisoning, coral reef destruction, and other harmful outcomes. All U.S. coasts show signs of nutrient over-enrichment, and scientists predict worsening problems in the years ahead. Clean Coastal Waters explains technical aspects of nutrient over-enrichment and proposes both immediate local action by coastal managers and a longer-term national strategy incorporating policy design, classification of affected sites, law and regulation, coordination, and communication. Highlighting the Gulf of Mexico's "Dead Zone," the Pfiesteria outbreak in a tributary of Chesapeake Bay, and other cases, the book explains how nutrients work in the environment, why nitrogen is important, how enrichment turns into over-enrichment, and why some environments are especially susceptible. Economic as well as ecological impacts are examined. In addressing abatement strategies, the committee discusses the importance of monitoring sites, developing useful models of over-enrichment, and setting water quality goals. The book also reviews voluntary programs, mandatory controls, tax incentives, and other policy options for reducing the flow of nutrients from agricultural operations and other sources.
Author:
Publisher: DIANE Publishing
ISBN: 1428904905
Category : Aquatic organisms
Languages : en
Pages : 178
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Book Description
