Characterization of Particulate Matters and Volatile Organic Compounds in the Ambient Environment of Open Dump Sites
Journal Title: Universal Journal of Environmental Research and Technology - Year 2011, Vol 1, Issue 2
Abstract
Green house gas (GHGs) and particulate emissions are considered as one of the major issues in recent years from municipal solid waste dumping sites. Open burning is also very common, which emits plenty of volatile organic compounds and pose serious threat to the associated environment. Hence, characterization of air born pollutants from such dumping environment is necessary at this juncture to develop stringent regulatory rules in developing countries. Therefore, the study objective considered to characterize the ambient air samples from two municipal solid waste dumpsites viz., Kodungaiyur and Perungudi in Chennai during two different seasons. The characterization study showed that dust, black carbon, ammonia, sulphate and nitrate were the major species of PM10 and PM2.5. Major metal ions like Al, B, Ba, Cd, Cu, Fe, Ca, K, Mg, Ni, Pb, Sr and Zn were also identified in the particulates. Concentrations of particulates were observed to be high during the summer as compared to that of monsoon period in both the dumpsites. The respirable particulate matter in air samples varied widely between 211 µg/m3 and 900 µg/m3, and exceeding the upper limits of 150 µg/m3 standards prescribed by Central Pollution Control Board (CPCB), as well as United States Environmental Protection Agency (US-EPA). The concentrations NOx is much higher than SOx in Kodungaiyur samples. The ambient air samples were also contained hazardous organic compounds such as diethyl phthalate, decane, dodecane, octane, nonane, methenamine, cyclobutane, carbon disulfide and acetone diperoxide.
Authors and Affiliations
Obuli P. Karthikeyan, S. Murugesan, Kurian Joseph, Ligy Philip
Keywords
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