Carcinogens and substances capable of inducing cancer. These substances must be subject to strict guidelines such as those published by the International Agency for Research on Cancer when they are stored, used, and disposed of. Avoid exposure where exposure is unavoidable, keep it as low as reasonably achievable. The list of known carcinogens is continually updated. (See next page for some examples of carcinogens). 致癌类物质要避免直接暴露在空气中,其名单以国际癌症研 究中心公布的数据为准。
Mutagens are substances causing permanent transmissible alterations in genetic information. Teratogens are agents interfering with normal prenatal development causing abnormalities in the fetus. Exposure to mutagens and teratogens should be kept as low as possible. 诱发突变性物质,是指那些引起在基因中的可遗传的 变化的物质。诱发畸变性物质,是指可以引起胎儿在 出生前产生不正常变化的物质。