Trace metals in Hong Kong waters |
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| Authors: | JP Chan MT Cheung FP Li |
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| Institution: | Chemistry Department, Hong Kong Baptist College, 224 Waterloo Road, Kowloon, Hong Kong. |
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| Abstract: | Hong Kong has a population of between four and five million and is becoming increasingly industrialized. Already there are some 19,000 factories concentrated in a few densely populated areas and most of the effluent and sewage is discharged untreated into the sea. Elevated heavy metal concentrations have been recorded in the receiving waters. Lead has 160 times and cadmium 180 times the concentration found in the open ocean. |
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