Analysis of respirable and inhalable particle in Obaretin during dry season

Abstract

Application of effective abatement plan to curtail particulate matter is only conceivable when the emission sources have been uniquely identified and characterized. SKC high volume gravimetric sampler Model 210-5000, serial no 20537 and respirable foam were used to capture the respirable
particle and the inhalable particle at five different locations in Obaretin between December 2008 to April 2009. The foam and the glass fibre filter were analyzed for trace metals (NI, Cr, Zn, Co, Fe, Mn, Cu, Pb and Cd) by using Atomic Absorption Spectrophotometric, (AAS). From the analysed trace metals Ni and Co were below detection limit and the trace metal Cd was moderately enriched. The total mean concentration values of the analyzed trace metals for inhalable particle (Fe: 1.70ssmg/m³ , Zn:0.0532mg/m³, Cu:0.1370mg/m³, Mn:0.034mg/m³, Cd:0.04452mg/m³, Pb: 0.15226mg/m³, Cr: 0.0070mg/m³). Trace metals in respirable particles, the total mean concentration values of the analysed trace metals are: (Fe: 1.4536mg/m³, Zn:0.0456mg/m³, Cu:0.1206mg/m³, Mn:0.1130mg/m³, Cd:0.2098mg/m³, Pb:0.13560mg/m³, Cr: 0.10000mg/m³) Ni and Co were below detection limit. The spatial distribution were insignificant (P>0.05). The values obtained in this study violated the available WHO limit and fell within the purview of OSHA limit.