论文信息 - Tributyltin Concentration in Waters of the Chesapeake Bay

Tributyltin Concentration in Waters of the Chesapeake Bay

Tributyltin (TBT) has been analyzed in unfiltered water samples from the Chesapeake Bay (USA) from 1984 to 1989. Areas with large numbers of recreational vessels and one area with a high density of commercial and naval craft were targeted because of the likely input of TBT from these sources. The latter area also contained several large ship repair facilities that could contribute the antifouling agent. The range of TBT concentrations found at any one station was large with highest levels associated with times of peak usage. Concentrations in excess of 100 ng l-1 were common in some areas. The state and federal restrictions on TBT use appear to have partially achieved their desired effect of reducing water concentrations. While only one data set is extensive enough to show statistically significant downward trends, all sets visually indicate a decrease. A model that fits the most extensive data set indicates an 8–30% per year decrease in water TBT concentration for stations near boating activities.

[1] M. Stallard,et al. Optimization of butyltin measurements for seawater, tissue, and marine sediment samples , 1989 .

[2] Robert J. Huggett,et al. ES&T Series: The marine biocide tributyltin. Assessing and managing the environmental risks , 1992 .

[3] Peter F. Seligman,et al. Monitoring and Prediction of Tributyltin in the Elizabeth River and Hampton Roads, Virginia , 1987, OCEANS '87.

[4] Robert J. Huggett,et al. STATISTICAL MODELING OF INTENSIVE TBT MONITORING DATA IN TWO TIDAL CREEKS OF THE CHESAPEAKE BAY , 1991 .

[5] Peter F. Seligman,et al. Distribution and fate of tributyltin in the United States marine environment , 1989 .

[6] Peter F. Seligman,et al. Long-term monitoring of tributyltin in San Diego Bay California , 1991 .

[7] L. Hall,et al. Evaluation of butyltin compounds in Maryland waters of Chesapeake Bay , 1987 .

[8] Robert J. Huggett,et al. GC determination of butyltins in natural waters by flame photometric detection of hexyl derivatives with mass spectrometric confirmation , 1986 .

[9] L. Hall,et al. Spatial and temporal distribution of butyltin compounds in a Northern Chesapeake Bay Marina and river system , 1988, Environmental monitoring and assessment.