Examples include asbestos, tar, aromatic hydrocarbons, nickel, arsenic, lead, plastic and metallic prosthetic implants, certain dyes, urethane and dioxin.

• 这些物质包括石棉、焦油、芳香族碳氢化合物、镍、砷、铅、塑胶与金属义体植入物、某些染料、胺甲酸乙酯及戴奥辛等。