AN ENVIRONMENTAL-POLLUTION STUDY OF INDIAN METROPOLITAN CITIES AND INDUSTRIAL SURROUNDINGS BY INAA

被引:7
作者
GARG, AN [1 ]
CHUTKE, NL [1 ]
AMBULKAR, MN [1 ]
AGGARWAL, AL [1 ]
机构
[1] NATL ENVIRONM ENGN RES INST,NAGPUR 440010,MAHARASHTRA,INDIA
来源
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1995年 / 192卷 / 02期
关键词
D O I
10.1007/BF02041735
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The process of urbanization and industrialization during last two decades has resulted in increased level of air pollution causing hazards to human health. Instrumental neutron activation analysis (INAA) using short and lone term irradiation has been employed for the determination of more than 30 elements in suspended particulate matter (SPH) from six metropolitan cities and three industrial surroundings. A comparison of mean elemental contents in dust particulates from commercial, industrial and residential zones of Delhi, Calcutta, Madras, Cochin, Bombay and Nagpur cities has shown wide variation in toxic pollutant (As, Br, Cr, Cu, Mg and Sb) concentrations. Coastal areas have shown higher concentrations of Na, K, Cl and Br. Highly industrialized Bombay showed highest levels of Br, Cl, Cr, Fe, Mg, P, Rb and Sc. Mean elemental contents in fugitive and ambient dust of a cement factory and thermal power station (both in central India) are widely different. SPM levels in fugitive duet of the two industrial surroundings are higher by an order of magnitude compared to ambient air. Analysis of ambient air dust from a paper mill showed highest concentrations of HE, Sb and Zn. Elemental data have been compared with those of Urban Particulate Matter (SRM 1648), Coal Fly Ash (SRM 1633a) and Vehicle Exhaust Particulate (NIES No.8) which were analysed for quality control. An attempt has been made to attribute the elemental contents to possible sources of origin.
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页码:307 / 320
页数:14
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