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电容器制造工人,接触含42%氯的PCB混合物多年。作者对80名这样工人的工作环境,手掌皮肤、血液的多氯联苯浓度进行了测定,结果表明:车间空气中PCB浓度在48～275μg/m~2范围,车间表面和工具都有严重污染,浓度波动在0.2～159μg/cm~2;工人手掌皮肤有相当量(2～28μg/cm~2)的PCB;血液中PCB浓度为88～1,319μg/kg,与接触时间有明显的相关。低氯联苯近期接触者与仅在过去接触者有明显差异。PCB经皮侵入体内,由于血PCB浓度似与接触时间长短有关,可用血液PCB浓度测定来监测工业和环境PCB接触情况。
Capacitor fabrication workers, exposed to PCB blends containing 42% chlorine for many years. The authors tested the working environment, palm skin and blood PCBs of 80 such workers. The results showed that PCB concentrations in the air of the workshop were in the range of 48-275 μg / m 2, and the surface and tools of the workshop were seriously polluted , With a fluctuation of 0.2 ~ 159μg / cm ~ 2. There was a considerable amount of PCB (2 ~ 28μg / cm ~ 2) in the palm of the workers. PCB concentration in the blood was 88 ~ 1,319μg / kg, which was obviously correlated with the contact time. There is a clear difference between the recent exposure of low-chlorine biphenyls and the previous contacts only. PCB percutaneous invasion of the body, due to the concentration of blood PCB may be related to the length of contact with the blood concentration can be measured PCB to monitor industrial and environmental PCB exposure.