沥青职工恶性肿瘤死亡调查分析郝汉章，王风兰，张英因职业关系接触物理和化学物质往往导致严重的疾病￣［１］。近年因职业接触有害物质引致恶性肿瘤高发屡有报道￣［２、３、４］。从事沥青提炼、加工、储存运输造成恶性肿瘤死亡增加亦见报告￣［５］。平遥县沥青库是山... Investigation and Analysis of Asphalt Workers’ Malignant Tumor Deaths Hao Hanzhang, Wang Fenglan, and Zhang Ying’s exposure to physical and chemical substances due to occupational relationships often leads to serious illnesses[1]. In recent years, due to occupational exposure to harmful substances, high incidence of malignant tumors has been reported repeatedly [2, 3, 4]. The increase in malignancy caused by asphalt extraction, processing, storage, and transportation has also been reported in the report [5]. Pingyao County asphalt library is a mountain...