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Composition and sources of organic tracers in aerosol particles of industrial central India

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Abstract
  • Organic aerosols are important atmospheric components, and their formation and sources represent important aspects of urban air quality and health effects. Asia, including India, is the largest global source of aerosol particles due to regional natural advection (e.g. desert and soil dust) and anthropogenic activities (e.g. emissions from traffic, industry and burning of coal, biomass and agricultural waste) that generate vast amounts of particulate matter (PM) significantly contributing to climate change. This article reports on the distributions, concentrations, and sources of organic compounds (i.e., alkanes, carboxylic acids, carbonyl compounds, alcohols, plasticizers, PAHs, biomarkers) of PM in the ambient atmosphere of an extensively industrialized area of central India (Raipur, Chhattisgarh, a coal mega-burning region). The dominant components are emissions from fossil fuel utilization, burning of biomass and plastics, and fugitive sources. Speciation and variations of potential new tracer compounds identified are also described.
  • Keywords: Lipids, Fugitive emissions, Hydrocarbons, GC-MS, Terpenoids, Raipur, PM₁₀, PAH
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  • Giri, Basant, Patel, Khageshwar S., Jaiswal, Nitin K., Sharma, Saroj, Ambade, Balram, Wang, Wentao, Simonich, Staci L. Massey, Simoneit, Bernd R.T., Composition And Sources Of Organic Tracers In Aerosol Particles Of Industrial Central India, Atmospheric Research (2012), doi: 10.1016/j.atmosres.2012.09.016
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  • 120-121
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  • We are grateful to the Department of Science and Technology, Government of India for financial support through grant no. ES/48/ICRP/008/2002.
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