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Item Metadata only Carbon monoxide dispersion in urban streets(Mahidol University. Mahidol University Library and Knowledge Center, 2023) Orathai Jenwitheesuk; Sangsant Panich; Saksit Tridech; Kanit SanguantrakulItem Metadata only Dispersion of cadmium resistant bacteria in cadmium contaminated soils at Mae Sot district, Tak province(Mahidol University. Mahidol University Library and Knowledge Center, 2009) Soiratchaneekorn Ruanchaiman; Benjaphorn PrapagdeeItem Metadata only The dispersion of traffic air pollutants by using Street Canyon Model in Airviro : case study Ladprao road(Mahidol University. Mahidol University Library and Knowledge Center, 2005) Patcharee Thitisakdanon; Winai NutmagulItem Metadata only Modeling of smoke dispersion caused by spontaneous compustion of coal storage pile(Mahidol University. Mahidol University Library and Knowledge Center, 2018) Chanidapa Chonpruksa; Pet Techarat; Bunlur Emaruchi; Lalita NarupiyakulThailand has been importing bituminous coal from Indonesia and Australia which will be stored in outdoor storage. Coal can combust spontaneously. If not prevent properly, the damage will be extended. Therefore, it is very important to study the spreading of the smoke caused by spontaneous combustion of coal in order to make proper prevention measures can be made. This research demonstrated the use of the AERMOD model to simulate the distribution of smoke concentration caused by the selfignition from coal storage pile within 10 km radius. The study area is located at Khlong Sakae, Nakhon Luang district, Ayutthaya province. The results of this study showed that the maximum concentration of 165.4384 μg/m3 was in winter in February and the longest distance of the coal smoke distribution occurs in this season due to the dry and strong wind conditions.