Volume No. 4 Issue No.: 3 Page No.: 770-779 Jan.-Mar 2010

 

CHARACTERIZATION OF ATMOSPHERIC PM10 OF A COMMERCIAL AREA IN KANPUR CITY (INDIA)

 

Sheo Prasad Shukla

Civil Engineering Department, Institute of Engineering and Technology, Lucknow - 226021 (INDIA)

 

Received on : November 24, 2009

 

ABSTRACT

 

Atmospheric particle characteristics and concentrations, function of season, are critical in neutralizing the atmospheric acidity. The winter levels of particulate matter (PM) are generally lower than those in summer at many locations. Reduction in PM levels in the winter months could be due to the near absence of soil dust in the atmosphere because of low wind speeds in winter. For modeling purpose, PM10 (n=91) and soil samples were collected from a commercial area of Kanpur City (India) during 2000-01. The collected samples were analyzed for metals and water soluble ions and results were utilized for factor analysis and source apportionment estimations. The result has shown two major components, soil and road dust and secondary particles contributing 75%, 57% and 27% (to PM10) during summer, monsoon and winter seasons. It suggests that soil and road dust and secondary particles are key components both from air pollution point of view.

 

Keywords : PM10, Factor analysis, Secondary particles, Source apportionment, Seasonal Variation.

 

 

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