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IJMS Vol.39(2) [June 2010] >


Title: Distribution of heavy metals in the vicinity of a nuclear power plant, east coast of India: with emphasis on copper concentration and primary productivity
Authors: Rajamohan, R
Rao, T S
Anupkumar, B
Sahayam, A C
Krishna, M V Balarama
Venugopalan, V P
Narasimhan, S V
Keywords: : Power plant
Heavy metals
Cruise
Bay of Bengal
Copper
Primary productivity
Issue Date: Jun-2010
Publisher: CSIR
Abstract: Seawater samples collected in the vicinity of MAPS (Madras Atomic Power Station) from 17 stations covering an area of 4 km2 were analysed for distribution of heavy metals viz. iron, copper, cadmium and mercury. Mercury was analysed by cold vapor Atomic Absorption Spectrometry (AAS) and the other heavy metals by Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES). Water samples were found to have heavy metals such as Fe (26-85 mg l-1), Cu (0.05-5.1mgl-1; Cd (0.5-1.7 mg l-1) and Hg (0.03-1.5 mg l-1). Samples from the power plant cooling system and condenser outfall were specifically analysed for copper and primary production. Copper concentrations were in the range 1 – 2.2 mg l-1. Primary productivity was low on passing through the power plant cooling circuit. However, it was found to recover once the effluent mixed with the ambient sea. Present study infers that heavy metal concentrations in the vicinity of the power station outfall are comparable to unpolluted pelagic waters of the Bay.
Page(s): 182-191
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Source:IJMS Vol.39(2) [June 2010]

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