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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 8, No. 1, 2004, pp. 23-27
Bioline Code: ja04005
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 8, No. 1, 2004, pp. 23-27

 en Impact of Automobile Exhaust on Levels of Lead in a Commercial Food From Bus Terminals


The impact of automobile exhaust on the levels of lead in commercially produced and sold white bread at bus terminals in Lagos, Nigeria were assessed. Total lead concentrations by Atomic Absorption Spectrometry were carried out. The mean concentration of lead in foods across the sites (T1-T10) ranged from 0.01 - 0.025 μgg-1; 0.01 - 0.03 μgg-1; 0.015 - 0.035 μgg-1 and 0.005 - 0.025 μgg-1 for the first, second, third and fourth periods of sampling respectively. The overall mean concentration of the metal varied between 0.015 - 0.026 μgg-1 across the sampled sites. The analytical protocol was validated through the quality assurance experiment with quantitative recovery of 92.5% and C.V of 5%, which was considered applicable for routine analyses of food samples. The metal was detected in over 80% of the 160 samples that were collected and analyzed. @JASEM

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