Natural radioactivity levels and radiation hazard indices in granite from Aswan to Wadi El-Allaqi southeastern desert, Egypt

2007 ◽  
Vol 124 (2) ◽  
pp. 148-154 ◽  
Author(s):  
A. El-Taher ◽  
M. A. M. Uosif ◽  
A. A. Orabi
Keyword(s):  
Natural Radioactivity ◽  
Radiation Hazard ◽  
Hazard Indices ◽  
Southeastern Desert ◽  
Radiation Hazard Indices ◽  
Radioactivity Levels

Estimation of radiation hazard indices from natural radioactivity of some rocks

2006 ◽  
Vol 17 (2) ◽  
pp. 118-122 ◽  
Author(s):  
A ABBADY ◽  
N AHMED ◽  
A ELARABI ◽  
R MICHEL ◽  
A ELKAMEL ◽  
...  
Keyword(s):  
Natural Radioactivity ◽  
Radiation Hazard ◽  
Hazard Indices ◽  
Radiation Hazard Indices

Assessment of Annual Effective Dose for Natural Radioactivity of Gamma Emitters in Biscuit Samples in Iraq

2015 ◽  
Vol 78 (9) ◽  
pp. 1766-1769 ◽  
Author(s):  
ALI ABID ABOJASSIM ◽  
LUBNA A. AL-ALASADI ◽  
AHMED R. SHITAKE ◽  
FAEQ A. AL-TEMEMIE ◽  
AFNAN A. HUSAIN
Keyword(s):  
Effective Dose ◽  
Natural Radioactivity ◽  
Annual Effective Dose ◽  
Gamma Spectroscopy ◽  
Hazard Index ◽  
Radiation Hazard ◽  
Hazard Indices ◽  
Radium Equivalent Activity ◽  
Radium Equivalent ◽  
Radiation Hazard Indices

Biscuits are an important type of food, widely consumed by babies in Iraq and other countries. This work uses gamma spectroscopy to measure the natural radioactivity due to long-lived gamma emitters in children's biscuits; it also estimates radiation hazard indices, that is, the radium equivalent activity, the representative of gamma level index, the internal hazard index, and the annual effective dose in children. Ten samples were collected from the Iraqi market from different countries of origin. The average specific activities for 226Ra, 232Th, and 40K were 9.390, 3.1213, and 214.969 Bq/kg, respectively, but the average of the radium equivalent activity and the internal hazard index were 33.101 Bq/kg and 0.107, respectively. The total average annual effective dose from consumption by adults, children, and infants is estimated to be 0.655, 1.009, and 0.875 mSv, respectively. The values found for specific activity, radiation hazard indices, and annual effective dose in all samples in this study were lower than worldwide median values for all groups; therefore, these values are found to be safe.

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