Record Display for the EPA National Library Catalog

RECORD NUMBER: 276 OF 5691

OLS Field Name OLS Field Data
Main Title American Oyster ('Crassostrea virginica') as an Indicator of Carcinogens in the Aquatic Environment.
Author Couch, John A. ; Courtney, Lee A. ; Winstead, James T. ; Foss, Steven S. ;
CORP Author Environmental Research Lab., Gulf Breeze, FL.
Year Published 1979
Report Number EPA-600/J-79-080;
Stock Number PB80-185242
Additional Subjects Oysters ; Water pollution ; Carcinogens ; Organic compounds ; Hydrocarbons ; Exposure ; Methylcholanthrene ; Pyrenes ; Mollusca ; Crassostrea virginica ; Bioindicators ; Benzopyrenes
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB80-185242 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 22p
Abstract
The American oyster (C. virginica) was used as the experimental animal for chronic exposure to 3-methylcholanthrene (3-MC) and benzo(a)pyrene (BP) in an exposure system in which the carcinogens can be continuously injected into free flowing water at fixed rates ranging from 1 to 5 micrograms/l. Experiments designed to determine uptake and distribution of 14C-MC and 14C-BP showed that these are concentrated in oyster tissues in direct proportion to the dosage of carcinogen injected into the system. Residual concentrations as high as 84.4 micrograms/kg of BP were present in oysters as long as 6 months following exposure. Autoradiography showed intense localization of 14C-BP in distal portions of the tubules of the digestive gland and to a lesser extent in the gonadal tissues.