Biological Monitoring of Occupational Exposure to Different Chromium Compounds at Various Valency Statest

A. Mutti, C. Pedroni, G. Arfini, I. Franchini, C. Minoia, G. Micoli, C. Baldi

Research output: Contribution to journalArticle

Abstract

Chromium concentrations in the air were measured in seven different workroom environments, where exposure to water soluble hexavalent or trivalent compounds was expected. Urinary excretion of chromium was measured before and after the same arbitrarily chosen working day. End-of-shift urinary chromium and its increase above pre-exposure levels were closely related to the concentration of water soluble chromium (VI) in the air. The values corresponding to 50 µg m-3in the air, which is the current threshold limit value in most countries, were 29.8 and 12.2µg-1of creatinine, respectively. Urinary chromium in workers exposed to water insoluble chromates or to water soluble chromic (III) sulphate was definitely higher than that observed in subjects not occupationally exposed to chromium compounds, but it cannot be recommended as short-term exposure test for evaluation of the job-related hazard.

Original languageEnglish
Pages (from-to)35-41
Number of pages7
JournalInternational Journal of Environmental Analytical Chemistry
Volume17
Issue number1
DOIs
Publication statusPublished - Apr 1 1984

Keywords

  • chromium (III) sulphate
  • chromium (VI) trioxide
  • Chromium metabolism
  • lead chromate
  • painting aerosols
  • plating mists
  • potassium dichromate
  • urine
  • welding fumes
  • zinc chromate

ASJC Scopus subject areas

  • Soil Science
  • Analytical Chemistry
  • Health, Toxicology and Mutagenesis
  • Waste Management and Disposal
  • Public Health, Environmental and Occupational Health
  • Water Science and Technology
  • Pollution
  • Environmental Chemistry
  • Environmental Science(all)

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