Abstract—This paper studies work exposure for drivers of auto rickshaws in Kolkata, India in a running condition to noise. Since the most negative effects caused by noise exposure are related to the hearing system and it may produce professional deafness or even permanent deafness. It is necessary to assess the noise exposure and to develop mechanisms for studying and proposing preventive solutions for minimizing environmental pollution. Equivalent noise exposures of drivers at work and in-auto noise are evaluated using a precision dosimeter in different areas or locations of various times like summer and rainy seasons etc. Readings were taken in different routes in north Kolkata, India and the noise doses are analyzed. The A-weighted values of Leq (12), L10, L90, TWA (Time weighted Average) and TNI (Traffic Noise Index) are determined. It shows significant effect of noise exposure from auto-rickshaws in Kolkata city of India.

Index Terms—precision dosimeter, vehicle flow, traffic composition, noise exposure.

Tirtharaj Sen is an Assistant Professor in the Department of Electrical Engineering, Asansol Engineering College, Kanyapur, Vivekananda Sarani, Asansol, Burdwan- 713305. He was an Ex Assistant Professor & Head, Dept. of E. E, Bengal Institute of Technology and Management. He has twelve years Industrial experience and nearly six years teaching experience.
(Phone: +91-9432851324, email: tirtha.bitm@gmail.com)
Pijush Kanti Bhattacharjee is an Assistant Professor in the Department of Electronics and Communication Engineering, Assam University, Assam, India. He was an Ex Asssitant Director in Department of Telecommunications (DoT), Government of India, India. He has possessed vast working experience in the field of Telecommunications including Mobile Communications, VLSI, Management etc during last 30 years.
(phone: +91-33-25954148, email: pijushbhatta_6@hotmail.com).
Dr. Debamalya Banerjee, Ph.D (Engg.) is currently a Reader in the Department of Production Engg. which is a centre of Advanced study in Jadavpur University. He was a visiting scientist in LfE [Lehrstuhl fur Ergonomie], TUM [Technical University of Munich]. (Phone: +91-9432283650, email: debamalya_banerjee@yahoo.co.uk
Dr. Bijan Sarkar is currently a Professor in the Department of Production Engineering which is a centre of Advanced study in Jadavpur University, Kolkata, India.

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Cite:Tirtharaj Sen, Pijush Kanti Bhattacharjee, Member, IACSIT, Debamalya Banerjee, Bijan Sarkar, "Running Condition Noise Dose to Auto drivers in Kolkata Metropolitan City of India in Different Seasons," International Journal of Environmental Science and Development vol. 1, no. 3, pp. 278-281, 2010.