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ISSN: 2375-3765

American Journal of Chemistry and Application

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Biomonitoring of Metal Exposure of Humans in the Occupational Environment and Their Associated Hazards

American Journal of Chemistry and Application
Vol.5 , No. 4, Publication Date: Aug. 2, 2018, Page: 64-66

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Authors

[1]	Rita Mehra, Acoustic and Environmental Laboratory, Department of Pure and Applied Chemistry, Maharshi Dayanand Saraswati University, Ajmer, India.
[2]	Amit Singh Thakur, Department of Chemistry, Institute of Science & Lab Education, Institute of Professional Studies Academy (IPSA), Indore, India.

Abstract

The problem of exposure to toxic metals in work environment exists since long even when no proper management of workplace was done by industrialists. Until today effective management practices are lacking leading to metal pollution in the work environment of workers exposed to metals in their environment. Implementation of proper preventive measures necessitates assessment of metals in the environment in view of hazards of exposure to trace toxic metals. Biomonitoring helps in assessment of metals in the environment using human body tissues and fluids as biological materials. In the present study total 40 workers were included as subjects out of which, 20 were exposed to metals at workplace and 20 were taken as respective controls. Head hair samples were collected from all subjects, hair samples were pretreated for washing with Triton X-100, acetone and deionized water. All hair samples were digested using wet acid digestion method to get colourless solution prior to analysis for manganese, cobalt, copper, lead and cadmium with an Atomic Absorption Spectrophotometer (AAS), ECIL Model-AAS4129. Student t test was applied to compare the means and Spearman’s rank correlation coefficient was calculated to study the correlation among trace and toxic metals. Results of the study help in identifying hazards of metals and sites of metal exposure leading to suggesting measures for better occupational environment for the exposed subjects.

Keywords

Biomonitoring, Atomic Absorption Spetrophotometer, Occupational Hazards

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