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Automobile
exhaust is a significant source of air pollution in the urban context.
Delhi, being the capital city of India, exhibited phenomenal growth
in population together with spatial spread of the city. It is generally
observed that year by year, road-traffic volume in the Union Terriotry
of Delhi is increasing hand in hand with the increase of the movement
of men and materials. With every vehicle speeding ahead on the Indian
road there is a black smoke shadowing the vehicle. It poses a continued
threat to the Ambient Air Quality.
A
team of scientific and technical personnel of the Central Board
conducted sufficiently in-depth investigation to find out pattern
of traffic census in Delhi and emission of smoke, particulates,
and other air pollutants like Carbonmonoxide (CO), Hydrocarbons
(HC), and Nitrogenous Oxides (NO.) and 5ulphurdi oxide (5O2). The
pollutional loads emitted from each type of vehicle in two identified
areas were observed during the course of the present study. No doubt,
it is the empirical finding which is valuable, but more significant
contribution of the present study are methodologies developed within
limited infrastructural facilities to study and assess status of
Vehicular Air Pollution in the Indian cities.
The work was carried out by a team comprising of Shri U.N. Singh,
AEE, Shri Lalit Kapoor,AEE, Shri U. Mukherjee, JSA, Shri S.B. Singh,
Apprentice Chemist, & Shri D.C. Jakhwal, Technician, under the overall
planning, supervision and guidance of Dr. B. Sengupta, Scientist
'C' and Incharge, Air Pollution Control Cell. Major calculation
work was done by Shri U.N. Singh. Typing of the manuscript was taken
care of by Shri Arjun Kumar, Steno. The services of all the above
mentioned personnel are acknowledged gratefully.
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