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上海市郊小型铅作业工厂的职业危害评价 被引量:1

HEALTH IMPACT OF LEAD EXPOSURE IN SMALL-SCALE INDUSTRIES IN SUBURBS OF SHANGHAI
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摘要 对上海市郊两个县的10家蓄电池厂和1家铅冶炼厂调查发现,51个作业点的239个空气铅样品的几何平均浓度为0.042mg/m3,作业点和样品的超标率分别为50.98%和54.39%;196名铅作业工人的几何平均血铅、ZPP水平分别为1.68μmol/L和2.67μmol/L,均显著高于对照厂工人。研究还发现,在血铅水平为1.68μmol/L时,铅接触工人的神经、消化、肌肉关节系统的症状改变,与对照工人比较差异具有显著意义。多元逐步回归分析发现,影响铅接触工人血铅水平的主要因素是卫生习惯。 en battery manufactures and one secondary lead smeltery were intensively surveyed in two counties of Shanghai municipality.The results of environmental monitoring of workplaces showed that the geometric mean of air lead level was 0.042 mg/m3(0.001to 0.543 mg/m3)with the exceeding rates,the percentage of air lead level being above the current MAC,of 50.98% from 51 work-sites and 54.39%from a total number of 239 samples.The geometric mean blood lead and ZPP levels in 196 Pb-exposed workerswere 1.68 μmol/L and 2.67μmol/L respectively,which were remarkably higher than those of controls.Compared with non-ex-posed workers,the prevalences of the symptoms of nervous,gastrointestinal and musculoarticular systems of Pb-exposed workerswith a geometric mean PbB level of 1.68 μmol/L were found to be significantly higher.The multiple regression analysis showedthat personal hygienic practice was supposed to be the principal factor affecting the blood lead level.
出处 《中华劳动卫生职业病杂志》 CAS CSCD 1995年第1期25-28,共4页 Chinese Journal of Industrial Hygiene and Occupational Diseases
基金 WHO基金
关键词 铅接触 铅中毒 职业危害 Lead exposure Health impact Small-scale industries
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参考文献6

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