Temporal and Spatial Analysis of Alpha and Beta Activity Concentration at Al-Tuwaitha Site, Baghdad
2020
Wedyan G. Nassif, Basim I. Wahab, Monim H. Al-Jiboori and Abdulrahhman B. Ali
Temporal and spatial analysis of air particulates sampling collection from the in and outside the Al-Tuwaitha, south of Baghdad, was carried out to measure daily gross alpha and beta activity concentrations (AAC and BAC) during the period from January to April of 2017. The results show that most frequencies are within the interval 1-1.49 Bq/m3 for AAC and 3-3.49 Bq/m3 for BAC. Also, the radioactivity levels within the site for both AAC and BAC were found to be higher than those around the outside. Across all air samples at the studied site, the monthly arithmetic means were 3.0 ± 0.5 and 6.7 ± 0.9 Bq/m3 for both AAC and BAC. It was found that a hotspot for both AAC and BAC in air layer with values of 4.0 and 8.5 Bq/m3 respectively situated at ITR-5000 reactor northwest of the site, which is a major source of radioactive contamination, but with wind action. This contamination disperses according to its prevailing direction that is southeast. 6.7 ± 0.9
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