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国际癌症研究所(IARC)已将石棉列为Ⅰ类致癌物质(即确知对人体致癌的物质)。石棉不仅可引起肺纤维化,还可以引起肺癌、恶性胸膜间皮瘤、喉癌等多种恶性肿瘤,其所造成的死亡占职业性癌症所致死亡的一半左右[1]。全球石棉年用量50%以上在亚洲,我国石棉用量约为49万吨,为亚洲之首[
Asbestos has been classified by the International Agency for Research on Cancer (IARC) as a Group I carcinogen (ie a substance known to be carcinogenic to humans). Asbestos not only causes pulmonary fibrosis, but also causes many kinds of malignant tumors such as lung cancer, malignant pleural mesothelioma and laryngeal cancer, accounting for about half of the deaths caused by occupational cancer [1]. Asbestos consumption in the world more than 50% in Asia, China’s asbestos consumption of about 490,000 tons, the first in Asia [