对9家有铅乡镇企业进行劳动卫生学调查,空气铅浓度为0.03～2.17mg/m~3,最高值超过卫生标准71.3倍。对123名铅作业工人进行查体,诊断铅吸收3例,占2.44%。未检出铅中毒病例。但较多工人出现临床症状,临床症状出现率与工龄呈正相关,而尿铅值与工龄不呈正比关系,调查说明乡镇企业存在铅职业危害问题,应引起注意。 The survey on labor hygiene of nine leaded township and village enterprises showed that the air lead concentration was 0.03-2.17 mg / m ~ 3 and the highest value exceeded 71.3 times of the hygiene standard. 123 lead workers were inspected, 3 cases were diagnosed as lead absorption, accounting for 2.44%. No cases of lead poisoning were detected. However, more workers appeared clinical symptoms, the incidence of clinical symptoms was positively correlated with the length of service, while the urine lead value and length of service did not show a positive correlation. The investigation shows that the township enterprises have the problem of lead occupational hazards and should attract attention.