Fischbein A, Campbell C, Luo J C
Division of Occupational Medicine, Mount Sinai School of Medicine, City University of New York, NY.
N Y State J Med. 1992 Dec;92(12):525-8.
A clinical field survey of 36 workers employed in the manufacturing of leaded products used in radiologic safety was conducted. Although the principal source of lead exposure was limited to an area where two individuals mixed lead oxide and vinyl liquid, increased lead absorption was found in other workers employed in adjacent areas. The mean lead concentration of the plant workers was 29.3 micrograms/dL (SD +/- 9.0), and four workers had blood lead levels of 40 micrograms/dL or higher. A statistically significant correlation was noted between blood lead and serum creatinine; linear regression analysis demonstrated that cigarette smoking was a significant factor in predicting the blood lead level. The exposure encountered in this plant may be typical of lead exposure in many similar industrial settings. It calls attention to the risk of excessive exposure among workers who are not working at the primary source of exposure, and should be considered in the design of medical surveillance programs for workers employed in small manufacturing plants.
对36名从事放射安全用含铅产品制造工作的工人进行了一项临床现场调查。尽管铅暴露的主要来源仅限于一个区域，即有两个人将氧化铅和乙烯基液体混合的区域，但在相邻区域工作的其他工人中也发现铅吸收增加。工厂工人的平均血铅浓度为29.3微克/分升（标准差±9.0），四名工人的血铅水平达到或超过40微克/分升。血铅与血清肌酐之间存在统计学上的显著相关性；线性回归分析表明，吸烟是预测血铅水平的一个重要因素。该工厂所遇到的暴露情况可能是许多类似工业环境中铅暴露的典型情况。它提醒人们注意那些不在主要暴露源工作的工人有过度暴露的风险，并且在为小型制造工厂的工人设计医疗监测计划时应予以考虑。
