Indian Journal of Occupational and Environmental Medicine   Official publication of Indian Association of  0ccupational  Health  
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 ORIGINAL ARTICLE
Year : 2007  |  Volume : 11  |  Issue : 1  |  Page : 6-8

Lead exposure and hair lead level of workers in a lead refinery industry in Iran


Department of Occupational Health, Zanjan University of Medical Sciences, Faculty of Health and Paramedical Sciences, Parvin Etesaami Street, 45158, Zanjan city, Iran

Correspondence Address:
Seyed Reza Azimi Pirsaraei
Department of Occupational Health, Zanjan University of Medical Sciences, Faculty of Health and Paramedical Sciences, Parvin Etesaami Street, 45158, Zanjan city
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5278.32457

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This study was carried out on the workers of a lead refinery industry and two control groups in Zanjan city in Iran. The scalp hair samples were collected from 25 workers who were occupationally exposed to lead contamination as a case group and from 25 subjects among the staff of the same industry and 25 subjects among Zanjan citizens as the first and second control groups respectively. A flame atomic absorption spectrophotometer used to determine lead level in all of the samples. The age of all subjects in the three groups was matched. The mean concentrations of hair lead in the workers (case group), the staff (control groupA) and the citizens (control group B) were 131.7±93.4 µgr/gr, 21.1±13.2 µgr/gr and 27.9±14.1 µgr/gr respectively. The mean concentration of hair lead in the case group was more than hair lead of normal range found in humans (0-30 µgr/gr). The mean of hair lead level in the citizens who had used gas vehicles was statistically higher than who had not used it (36.9±12.2 µgr/gr vs. 16.6±4.9 µgr/gr, P <0.001).






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