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Acute exposure guideline levels for selected airborne chemicals / par Levels,, Subcommittee on Acute Exposure Guideline. Publication : [S.l.] : National Academies Press, 2002 . 292 p. ; , Broché. 23 cm. Date : 2002 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Contaminants in the subsurface : source zone assessment and remediation / par Subsurface,, Committee on Source Removal of Contaminants in the. Publication : [S.l.] : National Academies Press, 2005 . 372 p. ; , 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: the effectiveness of these technologies; and 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. 23 cm. Date : 2005 Disponibilité : Exemplaires disponibles: La bibliothèque des sciences de l'ingénieur (1),

Groundwater fluxes across interfaces / par Science,, Committee on Hydrologic. Publication : [S.l.] : National Academies Press, 2004 . 100 p. ; , Estimates of groundwater recharge and discharge rates are needed at many different scales for many different purposes. These include such tasks as evaluating landslide risks, managing groundwater resources, locating nuclear waste repositories, and estimating global budgets of water and greenhouse gasses. "Groundwater Fluxes Across Interfaces" focuses on scientific challenges in: the spatial and temporal variability of recharge and discharge; how information at one scale can be used at another; and the effects of groundwater on climate and vice versa. 28 cm. Date : 2004 Disponibilité : Exemplaires disponibles: La bibliothèque des Sciences Exactes et Naturelles (1),

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