Abstract：
:This work is a first contribution to the knowledge of natural radionuclides (226Ra, 238U, 40K, and 232Th) activities in phosphate rock (NORM), phosphogypsum, and phosphogypsum foam (TENORM) from the coastal fertilizer plants of Gabes (Southeastern Tunisia) and the assessment of their radiation hazards on human health and the surrounding environment. In the three studied materials, activities were found to be in the range of 35.4 (40K)-375.1 (226Ra), 10.0 (40K)-220.2 (226Ra), and 79.2 (232Th)-1168.6 Bq kg-1 (226Ra), respectively. Considering the studied radionuclides and materials, the corresponding decreasing activity orders were found to be 226Ra > 238U > 40K > 232Th and PGF > PR > PG, respectively. All human health hazard indices exceeded the worldwide recommended safety limits, which show that the workers in Gabes phosphate fertilizer plants as well as the neighboring human community may potentially be exposed to significant radiation, which may cause several diseases and malformations. It is therefore recommended to avoid and/or reduce the potential fertilizer industry radioactive impact in the area.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
El Zrelli R,Rabaoui L,van Beek P,Castet S,Souhaut M,Grégoire M,Courjault-Radé Pdoi
10.1016/j.marpolbul.2019.06.075subject
Has Abstractpub_date
2019-09-01 00:00:00pages
454-461eissn
0025-326Xissn
1879-3363pii
S0025-326X(19)30521-1journal_volume
146pub_type
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