Page 134 - AJWEP-v22i2

AL-Sudani, et al.

Table 2. Natural radioactivity in soil specimens of Kumait
Sample code Sample location Coordinates of location (GPS) Radionuclide activity concentrations (Bq/kg)
Latitude (N) Longitude (E) 226 Ra±S.D. 232 Th±S.D. 40 K±S.D.
S 1 Shaltag Aeur 32° 03×58.4˝ 46° 48×57.4˝ 19.5±2.8 19.7±2.8 197.4±8.3
S 2 Hamid Mutashar 32° 03×55.8˝ 46° 49×10.7˝ 15.8±2.7 26.6±3.6 221.3±11.5
S 3 Al-Makayin 32° 03×51.5˝ 46° 47×38.2˝ 11.7±2.2 17.3±1.9 194.7±11.2
S 4 Manati-Syid 32° 03×38.0˝ 46° 50×39.5˝ 12.5±1.7 9.7±1.9 156.7±6.2
S 5 Khalaf Al-Alwan 32° 03×07.3˝ 46° 53×20.4˝ 17.5±2.8 19.4±2.7 295.2±9.4
S 6 Al- Bedouins 32° 02×59.4˝ 46° 50×01.1˝ 14.8±1.9 18.5±2.4 183.5±8.2
S 7 Al- Ziyadat 32° 03×22.3˝ 46° 47×13.9˝ 17.2±2.7 7.2±1.6 185.7±9.4
S 8 Al-Hussein 32° 02×27.8˝ 46° 52×13.6˝ 14.5±2.1 17.4±2.8 184.7±8.4
S 9 Al-Buckmer 32° 02×16.0˝ 46° 47×13.3˝ 13.4±2.7 21.7±2.4 231.7±11.6
S 10 Al-Shuhadaa 32° 01×58.3˝ 46° 52×07.2˝ 13.6±2.7 15.3±2.5 179.5±6.7
S 11 Al-Zahraa 32° 01×58.0˝ 46° 53×04.6˝ 9.6±1.7 11.6±1.8 203.4±11.2
S 12 Al-Bithunuan 32° 01×34.9˝ 46° 48×31.1˝ 7.8±1.9 17.7±2.8 188.5±8.3
S 13 Al-Dujaila 32° 01×17.2˝ 46° 44×09.8˝ 11.2±1.3 14.6±2.2 185.7±7.5
S 14 Al-Sumud 32° 01×00.7˝ 46° 53×51.3˝ 13.5±2.3 13.5±1.8 192.5±7.8
S 15 Amer Shehaza 32° 00×25.5˝ 46° 51×07.5˝ 10.6±1.3 18.2±2.7 189.4±7.5
S 16 Abd-Al 31° 59×39.3˝ 46° 54×39.2˝ 13.4±1.3 16.6±2.1 179.4±6.3
S 17 Al-Jidiya 31° 58×46.8˝ 46° 48×58.2˝ 14.5±2.6 9.3±1.4 138.4±6.3
S 18 Al- Suwayediiyn 31° 58×22.9˝ 46° 48×34.8˝ 10.9±1.8 16.7±2.3 179.2±6
S 19 Al-Kolbe 31° 57×54.3˝ 46° 47×43.5˝ 4.6±1.4 12.7±2.2 182.4±7.2
S 20 Saad River 31° 57×20.6˝ 46° 55×50.5˝ 9.5±1.4 18.5±2.7 216.5±9.7
S 21 Al-Bueli 31° 55×40.1˝ 46° 54×40.5˝ 12.8±2.1 16.9±2.5 179.4±6.9
S 22 Al- Jaibeen 31° 54×51.5˝ 46° 55×38.5˝ 16.4±2.2 28.7±3.2 194.8±11.4
S 23 Al-Safha 31° 54×00.6˝ 46° 56×31.2˝ 27.6±2.6 29.5±2.8 192.9±11.7
Minimum 4.6±1.4 7.2±1.6 138.4±6.3
Maximum 27.6±2.6 29.5±2.8 295.2±9.4
Mean value±standard deviation 13.6±2.1 17.2±2.4 193.6±8.6
World average (UNSCEAR ) 35 30 400
1
232
226
40
Abbreviations: GPS: Global positioning system; K: Potassium-40; Ra: Radium-226; S.D.: Standard deviation; Th: Thorium-232;
UNSCEAR: United nations scientific committee on the effects of atomic radiation.
136.47 keV), Co (1,173.24 and 1,332.5) keV, 137 Cs 1,460.80 keV was utilized to determine the concentration
60
(661.66 keV), 113 Sn (391.69 keV), Sr (514 keV), of K. The instrument MEFFTRAN was selected to
85
40
27
51
88 Y (898.02 and 1,836.08 keV), Cr (320 keV), Mn determine the true coincidence summing correction
54
(834.8 keV), and Zn (1,116 keV) in the energy and self-absorption correction. The program uses
65
range of 59.54 keV to 1,836.08 keV with a mass of Genie 2,000 to determine self-absorption and genuine
441.0 g, density of 0.98 ± 0.01 g/cm , and a volume chance summation corrections. The input data consist
3
of 450.0 ± 4.5 cm . For 226 Ra activity calculation, the of the material composition of the detection, measuring
3
gamma-ray peaks of Pb at 295.2 and 351.9 keV, and instrument, and the sample. The bulk density of the
214
214 Bi at 609.3, 1,120.3, and 1,764.5 keV were used material, the chemical formulations of any elements or
under equilibrium conditions. For 232 Th activities, the compounds (e.g., SiO , Ge, H O), and the quantity of
2
2
gamma-ray energy peaks of Pb at 238.6 keV, 228 Ac at each (in weight percent) were inputted into the program.
212
338.4, 463, 911.2, 964.6, and 969.0 keV, and 208 Tl at The tool generated a file containing the material
583.2 and 860.6 keV were analyzed. The peak energy of attenuation coefficients for various gamma radiation
Volume 22 Issue 2 (2025) 128 doi: 10.36922/AJWEP025060032