Record Display for the EPA National Library Catalog
RECORD NUMBER: 864 OF 2019Main Title | Guidance manual for risk assessment contaminant fate and transport modeling | |||||||||||
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Publisher | Texas Natural Resource Conservation Commission, | |||||||||||
Year Published | 1994 | |||||||||||
OCLC Number | 52073439 | |||||||||||
Subjects | Environmental risk assessment--Texas ; Petroleum--Underground storage--Texas | |||||||||||
Holdings |
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Collation | 1 v. (various pagings) : ill. ; 28 cm. | |||||||||||
Notes | "May 1994." "RG-91." |
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Contents Notes | Introduction to risk assessment for leaking storage tank sites -- Contaminant distribution in soils -- Bulk movement of hydrocarbons in soil -- Contaminant concentration in the unsaturated zone -- Equilibrium relations between the phases -- Estimating contaminant mass in soil -- Relevant fate and transport models -- Processes simulated by fate and transport models -- Advection -- Molecular diffusion -- Mechanical dispersion -- Hydrodynamic dispersion -- Sorption -- Biochemical transformations -- Analytical models -- Numerical models -- Available models -- Process of model application -- Typical data required by models. Appendices: The Sesoil model -- Jury's unsaturated zone model -- Analytical transport: one, two and three dimensional (AT123D) model -- The Summers model -- Bioplume II model -- Domenico's model -- Thibodeaux-hwang model -- Farmer's vapor emission model -- The Box model -- Gaussian dispersion model -- Examples of estimation of mass transport due to different transport mechanisms -- Conversion table. |