Determination of concentrations of lead, cadmium, zinc and copper in the blood of workers at Baiji thermal power plant

Abstract

Abstract The aim of this Study is to measure the concentration of Lead ,Cadmium , Zinc and Copper in the Blood of Biaji Thermal Power Station Workers . Blood samples were collected from ( 148 ) workers of this Station then divided to three groups according to the site of work ,the workers also divided to four groups according the exposure periods : ( 5 ) , (10 ) ,( 15 ) and ( 20 ) Years . TheResults showed a significant increase in the concentration of Lead , Cadmium , Zinc for the exposed workers through all exposure periods in all groups compensation with control group , while , the concentration of Copper were decreased through exposure periods in workers group in departments of Mechanical maintainance and chemical tretment department , However , we have not detectes any diffrente between Irregular group and control group during the period of exposing ( 5 ) , (10 ) years , while the proportion of Copper has been decreased in this group with in ( 15 ) years of exposing period .

Keywords

• cadmium
• zinc and copper