Study of preclinical changes in workers exposed to inorganic mercury in chloralkali plants |
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Authors: | F. Schuckmann |
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Affiliation: | (1) Occupational Health Department of Hoechst AG, Frankfurt a. M., D-6230 Frankfurt-Höchst, Germany |
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Abstract: | Summary The aim of the present work was to clarify the question of preclinical changes of Hg intoxication (micromercurialism) in man. The study to detect these disorders was performed on 39 chloralkali plant workers who had been exposed to mercury for more than 7 years. The ambient air, urine and blood values of the last few years were determined in extensive measurements by various methods and related to one another. The average ambient air concentrations were clearly below the currently applicable threshold limit value (German MAK) of 0.1 mg/m3. For the purpose of clarifying the mentioned question of preclinical changes of intoxication, the exposed persons were subjected to psychomotor-function examinations and compared with a group of nonexposed persons. The blood pressure and pulse frequency values of both groups were also determined and compared with one another. No significant differences between the two groups of persons examined were detectable.Presented at the 18th Congress of the Deutsche Gesellschaft für Arbeitsmedizin in Frankfurt, 24th May 1978 |
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Keywords: | Inorganic mercury Examinations of psychomotor functions Permissible concentrations in the ambient air and urine |
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