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MODELLING BIOACCUMULATION OF ORGANIC POLLUTANTS IN FISH WITH AN APPLICATION TO PCBS IN LAKE ONTARIO SALMONIDS
Citation:
Barber, M., L. Suarez, AND R. Lassiter. MODELLING BIOACCUMULATION OF ORGANIC POLLUTANTS IN FISH WITH AN APPLICATION TO PCBS IN LAKE ONTARIO SALMONIDS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-91/036 (NTIS PB91182253), 1991.
Description:
A model describing passive accumulatiOn of organic chemicals from the aqueous environment and contaminated food in fish is developed. This model considers both biological attributes of the fish and physicochemical properties of the chemical that determine diffusive exchange across gill membranes and intestinal mucosa. mportant biological characteristics addressed by the model are the fish's gill morphometry, feeding and growth rate, and fractional aqueous, lipid, and nonlipid organic composition. elevant physicochemical properties are the chemical's molar volume and n-octanol/water partition coefficient (Kow), which are used to estimate the chemical's aqueous diffusivity and partitioning to the fish's lipid and nonlipid organic fractions, respectively. he model is used to describe and to analyze the bioaccumulation of polychlorinated biphenyls (PCBs) in Lake Ontario alewife (Alosa pseudoharengus), coho salmon (Oncorhynchus kisutch), rainbow trout (Oncorhynchus mykiss), brown trout (Salmo trutta), and lake trout (Salvelinus namaycush).
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MODELLING BIOACCUMULATION OF ORGANIC POLLUTANTS IN FISH WITH AN APPLICATION TO PCBS IN LAKE ONTARIO SALMONIDS