Abstract
Concentrations of major, minor and trace elements in the total suspended particulate (TSP) matter around Ikot Abasi were determined by instrumental nuclear activation analysis (INAA) technique using the thermal neutrons from the first Nigerian nuclear research reactor (NIRR-1) at centre for energy research and training (CERT), Ahmadu Bello University, Zaria. Total suspended particulate (TSP) concentrations ranged between 139±22 µgm-3 and 23±07 µgm-3. The total TSP concentrations from different source groups revealed the commercial sector as the highest contributor of TSP level to the area with a value of 254.64 µgm-3. This value is slightly higher than the µgm-3 standard set by the federal environmental protection agency FEPA. The INAA of the TSP samples show the presence of Al, Na and Mn. Their contributions range between 19.8±3.7 – 119.1±10.1 ppm for Al; 57.4±10.2 - 184±16 ppm for Na and 1.2±0.3 – 4.7±0.4 ppm for Mn in the TSP samples around the study area.
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