ABSTRACT: This study investigated the total suspended particulate (TSP) matter load and particulate matter with aerodynamic diameter 2.5 to 10 micrometers (PM10) in ten areas in Abakaliki urban, Ebonyi State Nigeria, during dry and wet seasons from December, 2008 to September, 2009 using photometric laser-based particle counter instrument. The results showed that the seasonal mean varied in the range of 25.06 ± 5.42 to 89.06 ± 6.05μgm-3 for the TSP in the dry season and 5.94 ± 1.61 to 35.38 ± 5.43μgm-3 for the wet season. The seasonal mean of (PM10) ranged from 8.56 ±2.56 to 73.06 ± 2.79 and 3.69 ± 1.14 to 16.50 ± 5.15 μgm-3 for the dry and wet seasons respectively. The......
Keywords: Aerosol, Ambient air, particulate matter and Abakaliki urban
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