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  • Title: Source apportionment of ambient VOCs in Delhi City.
    Author: Srivastava A, Sengupta B, Dutta SA.
    Journal: Sci Total Environ; 2005 May 01; 343(1-3):207-20. PubMed ID: 15862846.
    Abstract:
    Source apportionment using chemical mass balance (CMB) model was carried using a data set of 360 four hourly samples collected at 15 locations of five categories namely residential, commercial, industrial, traffic intersections and petrol pumps during August 2001-July 2002 in Delhi. The results indicate that emissions from diesel internal combustion engines dominate in Delhi. Vehicular exhaust and evaporative emissions also contribute significantly to VOCs in ambient air. Emission of VOCs associated with sewage sludge was also found to contribute to VOCs in Delhi's air. This points to the fact that open defecation and leaking sewage manholes are a problem in all categories of locations.
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