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Ambient Air QualityMonitoring inMetropolitan City ofLagos, Nigeria Kelechi L. NjokuTosin John RumideModupe Olatunde Akinola2016 год

Ambient Air Quality Monitoring in Metropolitan City of Lagos, Nigeria
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Аннотация: Twenty one sampling locations were assessed for carbon monoxide (CO), carbondioxide (CO2), oxygen (O2), sulphur dioxide (SO2), nitrogen dioxide (NO2), nitrogen oxide (NO), suspended particulate matter (SPM) and noise level using air pollutants measurement methods approved by ASTM for each specific parameter. All equipments and meters were all properly pre-calibrated before each usage for quality assurance. Findings of the study showed that measured levels of noise (61.4 - 101.4 dBA), NO (0.0 - 3.0 ppm), NO2 (0.0 - 3.0 ppm), CO (1.0 – 42.0 ppm) and SPM (0.14 – 4.82 ppm) in all sampling areas were quite high and above regulatory limits however there was no significant difference except in SPM (at all the sampling points), and noise, NO2 and NO (only in major traffic intersection). Air quality index (AQI) indicates that the ambient air can be described as poor for SPM, varied from good to very poor for CO, while NO and NO2 are very good except at major traffic intersection where they were both poor and very poor (D-E). The results suggest that strict and appropriate vehicle emission management, industrial air pollution control coupled with close burning management of wastes should be considered in the study area to reduce the risks associated with these pollutants.© JASEMKeywords: Air, pollutants, Air quality index, carbon-monoxide, sulphur-dioxide
Год издания: 2016
Авторы: Kelechi L. Njoku, Tosin John Rumide, Modupe Olatunde Akinola, Adeola Alex Adesuyi, Anuoluwapo Omosileola Jolaoso
Издательство: African Journals OnLine
Источник: Journal of Applied Sciences and Environmental Management
Ключевые слова: Air Quality and Health Impacts, Air Quality Monitoring and Forecasting, Noise Effects and Management
Другие ссылки: Journal of Applied Sciences and Environmental Management (PDF)
Journal of Applied Sciences and Environmental Management (HTML)
Bioline International (Bioline International) (PDF)
Bioline International (Bioline International) (HTML)