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Gibe, Hezron P.,Cayetano, Mylene G. Copernicus GmbH 2017 Atmospheric measurement techniques Vol.10 No.9
<P><p><strong>Abstract.</strong> Exposure to particulate matter (PM) is a serious environmental problem in many urban areas on Earth. In the Philippines, most existing studies and emission inventories have mainly focused on point and mobile sources, while research involving human exposures to particulate pollutants is rare. This paper presents a method for estimating the amount of fine particulate (PM<sub>2.5</sub>) emissions in a test study site in the city of Cabanatuan, Nueva Ecija, in the Philippines, by utilizing local emission factors, regionally procured data, and land cover/land use (activity data) interpreted from satellite imagery. Geographic information system (GIS) software was used to map the estimated emissions in the study area. The present results suggest that vehicular emissions from motorcycles and tricycles, as well as fuels used by households (charcoal) and burning of agricultural waste, largely contribute to PM<sub>2.5</sub> emissions in Cabanatuan. Overall, the method used in this study can be applied in other small urbanizing cities, as long as on-site specific activity, emission factor, and satellite-imaged land cover data are available.</p> </P>
Oxidative potential of fine ambient particles in various environments
Borlaza, Lucille Joanna S.,Cosep, Enrique Mikhael R.,Kim, Seojong,Lee, Kwangyul,Joo, Hungsoo,Park, Minhan,Bate, Daphne,Cayetano, Mylene G.,Park, Kihong Elsevier Science B.V., Amsterdam. 2018 Environmental pollution Vol.243 No.no.pb