Man Ah-Keow, Shahidan Radiman
Nuclear Science Program, School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.
Radiat Prot Dosimetry. 2008;128(4):444-8. doi: 10.1093/rpd/ncm434. Epub 2007 Nov 28.
This study attempted to estimate the lifelong magnetic field (MF) exposures of a particular group of welders. Exposure was quantified via measurements, observations and interviews. It was found that these welders face a vast range of lifelong MF exposures depending on the welding processes and duration of the welding tasks performed. This may explain the inconsistency in the results of studies of MF exposures on human health. The mere assessing of the MF exposure levels through spot measurements does not give an overall picture of the total amount of exposure received by the welders as some of these workers performed the welding task throughout the day, whereas others performed this as a part of their job. The exposure to various chemicals in the fume may complicate the interpretation of the elevated health risk among the welders.
本研究试图估算某一特定焊工群体一生之中的磁场暴露情况。通过测量、观察和访谈对暴露情况进行了量化。结果发现，这些焊工一生之中面临的磁场暴露范围很广，这取决于焊接工艺以及所执行焊接任务的持续时间。这或许可以解释有关磁场暴露对人类健康影响的研究结果为何不一致。仅通过现场测量来评估磁场暴露水平，并不能全面了解焊工所接受的总暴露量，因为有些工人全天都在进行焊接工作，而另一些人则只是将其作为工作的一部分。焊工接触烟雾中的各种化学物质可能会使对其健康风险升高的解读变得复杂。
