Abstract
The emission of methane from dumpsite have become a global mantra due to its remarkable effect on global climate change. This study assessed the levels of methane emissions from 6 dumpsites using portable air quality meter (AEROQUAL-Series 300). Results showed that the spatial level of methane ranged from 1.00 – 6.44 ppm. Based on temporal variation level of methane ranged from 1.59 – 4.09 ppm (p<0.05), with higher values in wet season. Meanwhile methane emission was not detected in the control station. Based on model for Air Quality Index (AQI), methane emission were predominantly rated as safe and moderate, except for stations LE and LF. Notwithstanding, these results confirmed the emission of methane from the dumpsite due to anthropogenic activities. We therefore recommend policies aimed at sequestration methane emissions, including the reuse, recycling and reduction of waste stream.
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