毛髪中の水銀量調査-1-有害物取扱者健康管理の一環として

概要

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Measurement of total mercury in hair of students and faculty peoples concerned in chemical experiments has been made since 1979 with cooperation of Environmental Science Center, University of Tokyo as a health care program. The examinees with relatively high mercury concentrations are investigated regarding their histories and careers in connection with the possibilities of mercury exposure, are examined on their daily diets and the functions of liver and kidneys, and then are adviced on their lives. The following facts have been revealed up to now:1) Total mercury concentrations in hair were log-normally distributed and the upper limit of normal value was evaluated 9.33 ppm in 1980 and 11.0 ppm in 1979.2) Nine samples (8 examinees) out of 428 samples (392 examinees) are found to be of abnormally high mercury values, though they did not mean morbid ones.3) Experiments and works were considered to be a factor of mercury storage in the cases of 2 subjects and unbalanced diet was supposed in another case.4) Five of the seven patients with liver dysfunctions were found to have high mercury accumulation in hair without any particular mercury contacts. However, further discussions are to be made to clarify correlation between each item of experiments of liver dysfunctions and mercury values. Furthermore, on the patients with renal dysfunction, mercury accumulation is likewise to be examined from now on.
日本民族衛生学会の論文