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Main Title Modeling Bioconcentration of Nonpolar Organic Pollutants by Fish (Journal Version).
Author Barber, M. C.; Suarez, L. A.; Lassiter, R. R.;
CORP Author Environmental Research Lab., Athens, GA.
Publisher 1988
Year Published 1988
Report Number EPA/600/J-88/138;
Stock Number PB89-119879
Additional Subjects Water pollution; Fishes; Organic compounds; Mathematical models; Excretion; Transport processes; Diffusion; Reprints; Bioaccumulation; Gills
Holdings
Library   Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS PB89-119879 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 03/14/1989
Collation 16p
Abstract
A model describing thermodynamically driven kinetic exchange of organic chemicals between fish and the aqueous environment is developed. This model considers both the biological attributes of the fish and the physicochemical properties of the chemical that determine diffusive exchange across gill membranes. Important biological characteristics addressed by the model are the fish's gill morphometry, body weight, and fractional aqueous, lipid and structural organic composition. Relevant physicochemical properties are the chemical's aqueous diffusivity, molar volume, and n-octanol/water partition coefficient (Kow), which is used as a surrogate to quantify chemical partitioning to the fish's lipid and structural organic fractions. Using this model, excretion rates, gill uptake efficiencies, and bioconcentration factors can be predicted for nonmetabolized organic chemicals.
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