This lead exposure study was conducted in a total of 452 school children in the age group of 9–14 years. Two hundred and ninety-eight exposed children came from the villages situated within a 2.5 km radius of the lead–zinc mine whereas the comparative group children were selected from the villages at least 10 km away from mine. Environmental monitoring study suggested that lead levels in air and water samples near the mining areas were within the Central Pollution Control Board prescribed standards. Lead levels in about 80% of the children were less than 10 μg/dl. Medical examination of all children did not show any signs related to lead toxicity but central nervous system-related symptoms, as reported by the subjects during medical examination, were found to be higher in the exposed group when compared with the comparative group. The values of physical growth parameters of the exposed group were comparable with that of the comparative group for both girls and boys. Hence, the physical growth of children was found to be unaffected by the observed level of lead exposure. To safeguard the health of the children residing near the mining area, various preventive and control measures were suggested.
Background:No data are available with the labor departments among the workers of small-scale lead-based units with regard to lead poisoning. One hundred and ninety-five workers were investigated for lead exposure and three were found exceeding the limit of 80 mg/dL, which required a treatment for lead poisoning.Aim:To assess the exposure and health risk in workers working in small lead-based units.Setting and Design:Random sampling is selected from the cross-sectional medical study.Methods and Materials:Medical examination cum biochemical/hematological investigations along with blood lead estimation were carried out in these workers.Statistical Analysis:Epi-Info and SPSS 16.0 were used for statistical analysis.Results and Conclusion:Workers' blood lead levels were brought down from 114.4, 110.0 and 120.6 mg/dL with treatment of D-penicillamine to 40 mg/dL. It may be concluded that lead poisoning is a preventable public health problem that particularly affects the industrial workers in small lead-based units.
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