The Concentrations and Distributions of Heavy Metals Pb, Cu and Zn in the Sea Water and Sediment in Estuary Area of Dumai, Riau Province.
Abstract
The research of heavy metal (Pb, Cu, Zn) has been conducted in June 2015
in the estuary area of Dumai, Riau Province. The samples of water and sediment
were taken in difference area, consisting of 15 stations by purposive sampling
method. The analysis showed heavy metal contents were as followes Pb 0.051 –
0.061 mg/l, Cu 0.038 – 0.047 mg/l, and Zn 0.182 – 0.243 mg/l respectively. The
heavy metal contents in water has exceeded the quality standard of
Kep.MENLH/51/2004 on sea water quality standard for marine organism. On the
other hand, the sediment analysis showed heavy metal contents were Pb 2.700 –
3.500 μg/g, Cu 2.522 – 6.97 μg/g and Zn 15.977 – 18.059 μg/g. According to this
research it was concluded that the estuary area of Dumai has been contaminated.
Key words : Heavy metal, seawater, sediment, estuary area of Dumai.
in the estuary area of Dumai, Riau Province. The samples of water and sediment
were taken in difference area, consisting of 15 stations by purposive sampling
method. The analysis showed heavy metal contents were as followes Pb 0.051 –
0.061 mg/l, Cu 0.038 – 0.047 mg/l, and Zn 0.182 – 0.243 mg/l respectively. The
heavy metal contents in water has exceeded the quality standard of
Kep.MENLH/51/2004 on sea water quality standard for marine organism. On the
other hand, the sediment analysis showed heavy metal contents were Pb 2.700 –
3.500 μg/g, Cu 2.522 – 6.97 μg/g and Zn 15.977 – 18.059 μg/g. According to this
research it was concluded that the estuary area of Dumai has been contaminated.
Key words : Heavy metal, seawater, sediment, estuary area of Dumai.
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