沥青可导致皮肤癌,沥青是煤焦油或石油分馏后所留下的残渣,冶炼作业中的炉衬工人经常用沥青铺垫冶炼炉的内壁。长年接触沥青的工人,容易在手臂和头面部出现扁平疣样损害,其中一部份可变成癌。据认为,沥青中的致癌成份主要是多环碳 Bitumen can cause skin cancer, bitumen is the residue left after coal tar or petroleum fractionation, and the lining workers in smelting operations often bitumen over the inner wall of the smelting furnace. Workers exposed to bitumen for many years are prone to flat wart-like lesions in the arms and head and face, and some of them become cancerous. It is believed that the carcinogenic component of bitumen is mainly polycyclic carbon