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Radiation Protection Dosimetry Advance Access originally published online on May 30, 2009
Radiation Protection Dosimetry 2009 135(3):211-215; doi:10.1093/rpd/ncp098
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© The Author 2009. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

An evaluation of radiation exposures in a tropical phosphogypsum disposal environment

P. P. Haridasan*, P. M. B. Pillai, R. M. Tripathi and V. D. Puranik

Environmental Assessment Division, Bhabha Atomic Research Centre, Health Physics Unit, IREL, Udyogamandal, Kerala 683 501, India

* Corresponding author: haripadmam{at}gmail.com, haridas67{at}rediffmail.com

Received March 4, 2009, amended April 25, 2009, accepted April 27, 2009

Environmental radiological aspects of phosphatic fertiliser production with particular reference to disposal of phosphogypsum at two sites in India are examined. Concentration of uranium and its decay products in the rock phosphate and products are presented. External gamma exposure and inhalation of radon and progeny are found to be the major routes of exposure to public in phosphogypsum disposal environment. An estimate of the committed effective dose to a representative person gives an average additional dose of 0.6 mSv annually in the study sites.


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