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Year : 2010  |  Volume : 14  |  Issue : 2  |  Page : 58-62

Study of lead exposure to children residing near a lead-zinc mine

National Institute of Occupational Health, Meghani Nagar, Ahmadabad - 380 016, Gujarat, India

Correspondence Address:
Ranjana Choudhari
National Institute of Occupational Health, Post Box 2031, Meghani Nagar, Ahmedabad 380 016
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-5278.72243

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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.


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