Record Display for the EPA National Library Catalog

RECORD NUMBER: 17 OF 31

OLS Field Name OLS Field Data
Main Title Photochemical Modeling Applied to Natural Waters.
Author Plane, J. M. C. ; Zika, R. G. ; Zepp, R. G. ; Burns, L. A. ;
CORP Author Environmental Research Lab., Athens, GA. ;Rosenstiel School of Marine and Atmospheric Science, Miami, FL.
Year Published 1986
Report Number EPA/600/D-86/226;
Stock Number PB87-104600
Additional Subjects Photochemical reactions ; Streams ; Organic compounds ; Mathematical models ; Hydrogen peroxide ; Phenol ; Chlorine organic compounds ; Inorganic compounds ; Decay ; Adsorption ; Mixing ; Solar radiation ; Attenuation ; Quantum efficiency ; Trifluralin ; Phenol/chloro-penta
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB87-104600 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/21/1988
Collation 27p
Abstract
The study examines the application of modeling photochemical processes in natural water systems. For many photochemical reactions occurring in natural waters, a simple photochemical model describing reaction rate as a function of intensity, radiation attenuation, reactant absorptivity, and quantum yield is insufficient. Other factors governing the species distribution must be considered. These factors are divided into processes that cause production, decay, and mixing and transport. Three different photochemically active compounds are used as examples to illustrate how these various factors affect their distribution. Hydrogen peroxide is used as an example of a compound that is produced in situ, whereas trifluralin and pentachlorophenol are compounds that have very different absorption spectra and are introduced from external sources.