Author: Ameren Corporation
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages :

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Author: National Research Council
Publisher: National Academies Press
ISBN: 030909447X
Category : Science
Languages : en
Pages : 371

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At hundreds of thousands of commercial, industrial, and military sites across the country, subsurface materials including groundwater are contaminated with chemical waste. The last decade has seen growing interest in using aggressive source remediation technologies to remove contaminants from the subsurface, but there is limited understanding of (1) the effectiveness of these technologies and (2) the overall effect of mass removal on groundwater quality. This report reviews the suite of technologies available for source remediation and their ability to reach a variety of cleanup goals, from meeting regulatory standards for groundwater to reducing costs. The report proposes elements of a protocol for accomplishing source remediation that should enable project managers to decide whether and how to pursue source remediation at their sites.

Author: Illinois. Environmental Protection Agency. Bureau of Land
Publisher:
ISBN:
Category : Hazardous waste site remediation
Languages : en
Pages : 26

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Author:
Publisher:
ISBN:
Category : Chrome Engineering, Inc
Languages : en
Pages :

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This amendment fo the March 2015 Illinois Environmental Protection Agency (Illinois EPA) approved Remediation Objectives Report/Remedial Action Plan - 1319 Half Street/Bloomington Housing Authority Properties (1319/BHA properties ROR/RAP) (Burns & McDonnell [BMcD] 2015a) and associated Response to Illinois EPA Comments (MCcD 2015b) presents a Tier 3 further evaluation of hte indoor inhalation exposure route and an updated groundwater ingestion exposure route evaluation, remediation objectives and remedial actions.

Author: National Research Council
Publisher: National Academies Press
ISBN: 0309278139
Category : Nature
Languages : en
Pages : 423

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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.

Author:
Publisher:
ISBN:
Category : Air quality
Languages : en
Pages :

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Author:
Publisher:
ISBN:
Category : Chrome Engineering, Inc
Languages : en
Pages :

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This amendment fo the March 2015 Illinois Environmental Protection Agency (Illinois EPA) approved Remediation Objectives Report/Remedial Action Plan - 1319 Half Street/Bloomington Housing Authority Properties (1319/BHA properties ROR/RAP) (Burns & McDonnell [BMcD] 2015a) and associated Response to Illinois EPA Comments (MCcD 2015b) presents a Tier 3 further evaluation of hte indoor inhalation exposure route and an updated groundwater ingestion exposure route evaluation, remediation objectives and remedial actions.

Author: National Research Council
Publisher: National Academies Press
ISBN: 0309134102
Category : Science
Languages : en
Pages : 316

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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.

Author:
Publisher:
ISBN:
Category : Chrome Engineering, Inc
Languages : en
Pages :

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Author: Illinois. Environmental Protection Agency
Publisher:
ISBN:
Category : Administrative law
Languages : en
Pages : 50

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