Biomonitoring of 137Cs fall-out in Kudankulam coastal waters, Gulf of Mannar, India

Concentration of fall-out 137 Cs activity was monitored for a period of 3 years in coastline surface, near-shore surface and bottom waters of Kudankulam coast where a mega nuclear power station is being set up. Activity of 137 Cs was estimated by HPGe gamma spectrometry after chemical processing wit...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2010-09, Vol.285 (3), p.741-747
Main Authors: Khan, Mohan Feroz, Wesley, Samuel Godwin
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Coastal environments
Coastlines
Diagnostic Radiology
Gulfs
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Salinity
Seasons
Spectrometry
Surface chemistry
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Summary:Concentration of fall-out 137 Cs activity was monitored for a period of 3 years in coastline surface, near-shore surface and bottom waters of Kudankulam coast where a mega nuclear power station is being set up. Activity of 137 Cs was estimated by HPGe gamma spectrometry after chemical processing with AMP (ammonium molybdophosphate). The total 137 Cs concentration ranged from 1.2 to 1.6 mBq/L in coastline surface waters and between 0.75 and 1.4 mBq/L in near-shore surface and bottom waters. The data set followed a log-normal distribution. An insignificant relationship between 137 Cs and salinity, temperature and pH was noted. No yearly variation and no variation between surface and bottom waters were observed ( p  > 0.05) in the concentration of 137 Cs. The 137 Cs activity between seasons was found to be significantly different ( p  
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-010-0616-3