ISSN (0970-2083)

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Research Article Open Access

Source Apportionment of Lead and Cadmium By Chemical Characterization of Pm2.5


Particulate matter below 2.5 micron (PM2.5) and its existence in atmosphere is observed in most of major cities in India and abroad. Health impacts of such pollutant on human being leading asthma and chronic bronchitis in India in last decade. Pune city in Maharashtra state of India is rapidly emerging as mega city in India due to its urbanization and modernization. Particulate matter and trace elements in it are causing severe effects on people of Pune. In present study, trace elements like lead (Pb) and cadmium (Cd) in PM2.5 at Pune city in Maharashtra, India were measured with the help of PM2.5 sampler and chemical characterization of Pb and Cd was done to determine the concentrations in the ambient air. The source apportionment of Pb and Cd was done by applying US EPA positive matrix factorization model to identify the sources and quantitative distribution of these elements at receptor location of Katraj in Pune city. The main objective was to identify and determine health impacts of Pb and Cd as well as PM2.5. The results of the study shall help urban planners, air quality planners and people of medicine to initiate urban air pollution management in Pune city.

G. Srinikethan and Atul Ayare

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