URINARY AND PLASMA CONCENTRATIONS OF NICKEL AS INDICATORS OF EXPOSURE TO NICKEL IN AN ELECTROPLATING SHOP

  • 1 January 1979
    • journal article
    • research article
    • Vol. 21  (3) , 184-188
Abstract
The relationship between atmospheric exposure to N and urine and plasma N concentrations was studied by following 4 workers from an electroplating shop for 1 work wk by daily measurements of the N concentration in workroom air with personal samplers and N concentrations in blood and urine samples collected before and after the work shift. The workroom air concentrations ranged from 0.03-0.16 mg/m3. The urinary and plasma N concentrations were higher in the samples taken after than before the work shift and a close positive correlation was found between the air N concentrations and the urine and plasma N concentrations, respectively. There was also a close correlation between urinary and plasma N concentrations. A slight accumulation of N occurred as judged from the increasing concentrations of N in the urine and plasma morning samples during the study week. This study indicates that plasma and urine N concentrations may be used as biological indicators or exposure to soluble N compounds.

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