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Air Pollution Prediction in Warri and Its Environs Using Quality Parameters

International Journal of Geosciences 2023年第6期14卷 531-546页

作者： Akinyemi Olufemi Ogunkeyede chinonso oliver mbaoma Aluya Duncan Iyogbon Adedoyin Ayorinde Adebayo Efe Jeffery Isukuru Department of Environmental Management and Toxicology College of Science Federal University of Petroleum Resources Effurun Nigeria

Air pollution is a major environmental problem in the Niger Delta Area (NDA) of Nigeria primarily due to oil and gas-related operational activities. Identifiable sources of air pollution in the NDA include gas flaring, vehicle emissions from internal combustion engines, crude oil pollution, etc. The aim of this research is to evaluate the concentration of air pollutants from crude oil-related activities using air quality parameters in Warri during seasons peculiar to the area of study. The Warri metropolis, one of Nigeria’s largest oil cities, was the sampling region under research in this study. An Aeroqual handheld mobile multi-gas monitor fitted with different sensors of (Carbon Monoxide (CO), air quality multi-meter for Particulate Matter (PM2.5 and PM10), Volatile Organic (VOC), Sulphur dioxide (SO2), Ammonia (NH3), Methane (CH4), and air quality index (AQI), was used for the collection of air quality parameter. Linear regression was used to create the model, which was then used to predict the extent of pollution in the locations of study. The average mean concentrations of air pollutants such as CO, NO2, CH4, VOC, NH4, and SO2 were measured at all sampling sites during wet and dry seasons. The results showed that the levels of these pollutants were above the WHO permissible limits for the majority of the air quality parameters studied in all sixteen locations. The concentration levels of most of the pollutants were higher in the dry season than in the rainy season. The study also found that the pollutants were mainly from fossil fuel combustion and road traffic emissions. Overall, the research provided monitoring data for all air quality pollutants under investigation in the study area and demonstrated that these concentrations exceed regulatory guidelines.

关键词： Geostatistics Air Pollution Fossil Fuel Combustion Environmental Monitoring

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Physicochemical Properties and Health Risks of Informal E-Waste Processing at Alaba International Market in Lagos, Nigeria

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Journal of Geoscience and Environment Protection 2023年第9期11卷 176-202页

作者： Adedoyin Olubunmi Bankole Akinyemi Olufemi Ogunkeyede Judith Ngoli Odionye Benjamin Giwa oliver chinonso mbaoma Bamidele Honesty Akpeji Ekaette Akpan Fadairo Efe Jeffery Isukuru Department of Environmental Management and Toxicology Federal University of Petroleum Resources Effurun Nigeria Department of Chemistry Federal University of Petroleum Resources Effurun Nigeria Department of Industrial Safety and Environmental Technology Petroleum Training Institute Effurun Nigeria

This study investigated the groundwater quality and health risks associated with informal e-waste processing in the Alaba International Market in Lagos, Nigeria. Twenty-two groundwater samples were collected from hand-dug wells in the market area and analyzed for physicochemical properties and heavy metal concentrations. The results showed that the groundwater quality was poor, with high levels of heavy metals, including cadmium, lead, and chromium. The health index (HI) for children and adults was above the tolerable threshold levels, indicating a potential health risk to the population. Principal component analysis and hierarchical cluster analysis were used to identify the sources of metals in groundwater, and the results showed that informal e-waste processing was a significant source of contamination. The study highlights the need for effective management strategies to mitigate the potential health risks associated with informal e-waste processing and ensure public health and environmental safety.

关键词： Groundwater-Quality Health Risks Informal E-Waste Processing Alaba International Market Nigeria

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