Butyltin concentrations in oysters from the gulf of Mexico from 1989 to 1991

Oyster samples from 53 Gulf of Mexico coastal sites were collected and analyzed for butyltins during 1989, 1990, and 1991. The geometric-mean tributylin concentrations were 85, 30, and 43 ng Sn/g for 1989, 1990, and 1991, respectively. The tributyltin concentrations are best represented by a log-nor...

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Bibliographic Details
Published in:Environmental pollution (1987) 1993, Vol.81 (2), p.103-111
Main Authors: Garcia-Romero, Bernardo, Wade, Terry L., Salata, Gregory G., Brooks, James M.
Format: Article
Language:English
Subjects:
animal tissues
annual variation
antifouling agents
Crassostrea virginica
degradation products
dibutylin
geographical distribution
monitoring
monobutylin
temporal variation
tributyltin oxide
water pollution
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Summary:Oyster samples from 53 Gulf of Mexico coastal sites were collected and analyzed for butyltins during 1989, 1990, and 1991. The geometric-mean tributylin concentrations were 85, 30, and 43 ng Sn/g for 1989, 1990, and 1991, respectively. The tributyltin concentrations are best represented by a log-normal distribution. A decline in the butyltin concentrations at sites with relatively low butyltin concentrations for 1989 compared with 1990 and 1991 was observed, and, at relatively high butyltin concentrations (> 400 ng Sn/ g), there was hardly any difference between 1989 and 1991, but lower concentrations were present in 1990. Continued monitoring is needed in order to determine if butyltin contamination of the coastal marine environment is decreasing in response to use limitations.
ISSN:0269-7491
1873-6424
DOI:10.1016/0269-7491(93)90073-W