Greenhouse gas emission of MSW landfill site

Nowadays, Malaysia is facing solid waste management issues as landfills are rapidly filled up and resulting of serious environmental and human health impacts. Landfill Gases (LFG) is a mixture of several gases including hazardous gases such as methane and volatile organic compounds (VOCs) that have environmental and human impacts. The objectives of this research are to map the methane gas and study its effect to human health. Experiment was carried out by sampling the landfill gases using portable gas sampling kit at different locations within and near the landfill site. The results from investigation shows that, methane concentration at gas vents are over the limit. From the result, the lowest concentration is in the administration office with 896.12 mg/m³ while the highest methane concentration is in the gas vents with concentration up to 213418.95 mg/m³. Methane is not classified as carcinogen compound but it might be hazardous to human health when the value of the threshold limit value exceeds the regulation established.