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Pulmonary functions in workers of fertiliser and chemical industry.

The present study was undertaken to assess the pulmonary functions in fertiliser and chemical industry workers of Kerala. Pulmonary function test was performed with Vitalograph Compact-II spirometer. Exposure to different chemicals, noxious gases and particulate matter of fertiliser and chemical industry was injurious to the normal pulmonary function. Significant decline in lung volumes, viz. FVC, FEV1, FEV1/FVC% (P < 0.01) and flow rates, viz. FEF25-75%, FEF0.2-1.2, FEF25%, FEF50%, FEF75% (P < 0.01) among non-smokers and smokers than that of normal controls was observed. The findings of this study also suggest that with increased duration of exposure to industrial pollutants, lung volumes and flow rates were significantly reduced in workers.