For Study of Pollution

In mban areas, the air pollution is caused mainly because of the industrial and vehicle exhausts as well as the organic / inorganic molecules while in the rmal areas it is due to the bimiing of biomass and fossil fuel. The remedial measures of air pollution in different mban areas requires knowledge of the contributions from different somces in those areas. Cmrie et al. (1994, 1997) have used the content of CO, aerosols and polycychc aromatic hydrocarbons for the study of air pollution in various US cities. 

The is one of the radionuchdes produced by neutron-induced reactions in aU tjrpes of nuclear reactors. In a nuclear power facility the production of can occm in the fuel, the moderator, the coolant, and the core construction materials mainly by the reactions 0(n, a) C, and N(n, p) C. Part of the created in reactors is continuously released as air-borne effluents in various chemical forms (such as CO2, CO, and hydrocarbons) through the ventilation system of the power plant during normal reactor operation. Another part of the C produced is released into the atmosphere from fuel reprocessing plants. The enviromnental release of this reactor-derived C leads to an increase in atmospheric specific activity and hence, to an increased radiation dose 

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