EPA-540/R.

EPA-540/R. PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 72

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EPA-540/R.

EPA-540/R. PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 72

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Book Description


Cleaning Up the Nation's Waste Sites

Cleaning Up the Nation's Waste Sites PDF Author:
Publisher:
ISBN:
Category : Hazardous waste site remediation
Languages : en
Pages : 344

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Redwood National and State Parks, Humboldt and Del Norte Counties, California

Redwood National and State Parks, Humboldt and Del Norte Counties, California PDF Author: United States. National Park Service
Publisher:
ISBN:
Category : National parks and reserves
Languages : en
Pages : 111

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Government Reports Announcements & Index

Government Reports Announcements & Index PDF Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 690

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Environment Reporter

Environment Reporter PDF Author:
Publisher:
ISBN:
Category : Environmental law
Languages : en
Pages : 1448

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Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites

Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309278139
Category : Nature
Languages : en
Pages : 423

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Book Description
Across the United States, thousands of hazardous waste sites are contaminated with chemicals that prevent the underlying groundwater from meeting drinking water standards. These include Superfund sites and other facilities that handle and dispose of hazardous waste, active and inactive dry cleaners, and leaking underground storage tanks; many are at federal facilities such as military installations. While many sites have been closed over the past 30 years through cleanup programs run by the U.S. Department of Defense, the U.S. EPA, and other state and federal agencies, the remaining caseload is much more difficult to address because the nature of the contamination and subsurface conditions make it difficult to achieve drinking water standards in the affected groundwater. Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites estimates that at least 126,000 sites across the U.S. still have contaminated groundwater, and their closure is expected to cost at least $110 billion to $127 billion. About 10 percent of these sites are considered "complex," meaning restoration is unlikely to be achieved in the next 50 to 100 years due to technological limitations. At sites where contaminant concentrations have plateaued at levels above cleanup goals despite active efforts, the report recommends evaluating whether the sites should transition to long-term management, where risks would be monitored and harmful exposures prevented, but at reduced costs.

Sediment Dredging at Superfund Megasites

Sediment Dredging at Superfund Megasites PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309134102
Category : Science
Languages : en
Pages : 316

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Book Description
Some of the nation's estuaries, lakes and other water bodies contain contaminated sediments that can adversely affect fish and wildlife and may then find their way into people's diets. Dredging is one of the few options available for attempting to clean up contaminated sediments, but it can uncover and re-suspend buried contaminants, creating additional exposures for wildlife and people. At the request of Congress, EPA asked the National Research Council (NRC) to evaluate dredging as a cleanup technique. The book finds that, based on a review of available evidence, dredging's ability to decrease environmental and health risks is still an open question. Analysis of pre-dredging and post-dredging at about 20 sites found a wide range of outcomes in terms of surface sediment concentrations of contaminants: some sites showed increases, some no change, and some decreases in concentrations. Evaluating the potential long-term benefits of dredging will require that the U.S. Environmental Protection Agency step up monitoring activities before, during and after individual cleanups to determine whether it is working there and what combinations of techniques are most effective.

Steps to an Ecology of Mind

Steps to an Ecology of Mind PDF Author: Gregory Bateson
Publisher: University of Chicago Press
ISBN: 9780226039053
Category : Medical
Languages : en
Pages : 572

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Book Description
Gregory Bateson was a philosopher, anthropologist, photographer, naturalist, and poet, as well as the husband and collaborator of Margaret Mead. This classic anthology of his major work includes a new Foreword by his daughter, Mary Katherine Bateson. 5 line drawings.

Managing California's Water

Managing California's Water PDF Author: Ellen Hanak
Publisher: Public Policy Instit. of CA
ISBN: 1582131414
Category : Business & Economics
Languages : en
Pages : 500

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The Toxicology and Biochemistry of Insecticides

The Toxicology and Biochemistry of Insecticides PDF Author: Simon J. Yu
Publisher: CRC Press
ISBN: 1420059769
Category : Science
Languages : en
Pages : 294

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Book Description
The first book in two decades to address this multi-faceted field, The Toxicology and Biochemistry of Insecticides provides the most up-to-date information on insecticide classification, formulation, mode of action, resistance, metabolism, environmental fate, and regulatory legislation. The book draws on the author's groundbreaking research