Two kinds of inorganic chemical mixture relating to mutogenesis and tumorgenesis (CM, and CM_2) were chosen for Ames fest and Lung cancer-inducing experiments on hamsters.

• 选择云锡矿尘中两类与致突变及致癌有关的无机化学混合物(代号为CM_1及CM_2)进行Ames试验及金仓鼠诱癌实验。