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Updated: Jun 22, 2026

Speciation and Bioavailability Measurements of Environmental Plutonium Using Diffusion in Thin Films
Published on: November 9, 2015
An evaluation of radiation exposures in a tropical phosphogypsum disposal environment
P P Haridasan1, P M B Pillai, R M Tripathi
1Environmental Assessment Division, Bhabha Atomic Research Centre, Health Physics Unit, IREL, Udyogamandal, Kerala 683 501, India. haripadmam@gmail.com
Abstract:
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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