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Year : 2018  |  Volume : 41  |  Issue : 1  |  Page : 12-15

Spatial distribution of fallout 137Cs in the marine environment of Kudankulam and its comparison with Indian and Asia-Pacific regional seawater

1 Division of Health Physics, Environmental Survey Laboratory, Kudankulam Nuclear Power Project, Tirunelveli, Tamil Nadu, India
2 Division of Health Physics, Homi Bhabha National Institute; Division of Health Physics, Bhabha Atomic Research Centre, Mumbai, Maharashtra, India

Correspondence Address:
B Vijayakumar
Environmental Survey Laboratory, Kudankulam Nuclear Power Project, Kudankulam, Tirunelveli - 627 120, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/rpe.RPE_19_18

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Benchmarking the fallout 137Cs in the coastal marine environment assumes significance in view of expansion of nuclear power plants (NPPs) in India and the Asia-Pacific region. This paper presents a snapshot of 137Cs activity in marine coastal water samples collected around Kudankulam NPPsite across a 50 km stretch from Kanyakumari to Uvari and attempts to compare with the 137Cs concentration observed across Indian coastal region and Asia-Pacific regional seawater. 137Cs activity of the Kudankulam coast ranges from ≤0.40 to 1.92 mBq/L with a geometric mean (GM) value of 1.0 mBq/L. In general, 137Cs activity in seawater of the entire Indian coastal region varies from 0.30 to 1.25 mBq/L, which may be considered as global fallout.

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