Organotin And Total Tin In Coastal Waters Of Southwest England

Abstract Samples of seawater from sites along the southwest coast were collected during 1984 and analysed for total tin and organotin by flameless atomic absorption spectro-photometry. Organotin concentrations were below detection limits (0.10 μg l−1 TBTO) at all marina sites, but higher concentrations were found in harbour waters, the highest value being 0.88 μg l−1 TBTO at Plymouth (Sutton harbour). The fact that organotin levels may occasionally exceed some toxicological threshold concentrations suggests that biological water quality may sometimes be depressed.

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