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Indoor and Built Environment
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Effect of Pollutants on Airway Resistance in Rubber Factory Workers

Pratibha Guptaa

Department of Physiology, University College of Medical Sciences and G.T.B. Hospital, Shahdara, Delhi

D.K. Banerjee

School of Environmental Sciences, Jawaharlal Nehru University, New Dehli

S.K. Bhargava

Department of Radiology, University College of Medical Sciences and G.T.B. Hospital, Shahdara, Delhi, India

Rajni Kaul

Department of Physiology, University College of Medical Sciences and G.T.B. Hospital, Shahdara, Delhi

V. Ravi Shankara

Department of Physiology, University College of Medical Sciences and G.T.B. Hospital, Shahdara, Delhi

The relationship between the airway resistance (Raw) and airborne concentra tion of pollutants (PAHs, sulphates and nitrates) has been determined in workers from various locations in a rubber factory. The highest Raw values were detected in workers from the compounding unit, where the constituents of tyres were mixed. These workers also had the most frequent and severe respiratory symptoms, and their chest X-ray records showed multiple opaci ties. Workers with more than 6 years' experience in the plant exhibit increased Raw values relative to those with less experience. The highest concentrations of sulphates and nitrates in the respirable fraction also occurred in the com pounding unit.

Key Words: Suspended particulate matter • Benzo[a]pyrene • Sulphates • Nitrates • Airway resistance

Indoor and Built Environment, Vol. 2, No. 2, 105-110 (1993)
DOI: 10.1177/1420326X9300200206
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