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Delaware River Main Channel Deepening (NJ,DE,PA) D; Amendment

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 818

Book Description

Delaware River Main Channel Deepening (NJ,DE,PA) D; Amendment

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 818

Book Description

The Chesapeake & Delaware Canal

Author:
Publisher:
ISBN:
Category : Canals
Languages : en
Pages : 24

Book Description

Onsite Wastewater Treatment Systems Manual

Author:
Publisher:
ISBN:
Category : Sewage
Languages : en
Pages : 378

Book Description
"This manual contains overview information on treatment technologies, installation practices, and past performance."--Introduction.

Committee on Public Works and Transportation

Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 24

Book Description

Alternatives for Managing the Nation's Complex Contaminated Groundwater Sites

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

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.