Subsurface transport of natural organic matter: Implications to contaminant mobility

Conference · Wed Jan 01 04:00:00 EST 1992

OSTI ID:7251295

McCarthy, J F

The transport of contaminants in the subsurface is controlled by both chemical factors related to the sorption of the contaminant to immobile surfaces of the aquifer and by hydrologic factors that determine the rate of flow of water within the aquifer. Typically, contaminant transport is described as a two-phase system, with a mobile phase composed of ground water and a solid phase composed of the immobile aquifer surfaces. Chemicals with limited solubility in water, or with a high affinity for binding to either charged surfaces of minerals or to organic coatings on the aquifer media, are generally regarded as being relatively immobile in the subsurface. For many subsurface environments, where the concentrations of natural organic matter (NOM) in the ground water are very low (

• Research Organization: Oak Ridge National Lab., TN (United States)
• Sponsoring Organization: DOE; USDOE, Washington, DC (United States)
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 7251295
• Report Number(s): CONF-9209196-1; ON: DE92040713
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
540220* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (1990-)
ADSORPTION
AFFINITY
AQUIFERS
ENVIRONMENTAL TRANSPORT
GROUND WATER
HETEROGENEOUS EFFECTS
HYDROGEN COMPOUNDS
MASS TRANSFER
MATTER
ORGANIC MATTER
OXYGEN COMPOUNDS
POLLUTANTS
SOILS
SORPTION
WATER