The unwelcome discovery prompted Naoto Kan, the prime minister, to issue a new safety standard for levels of radioactivity in marine products.
这个不受欢迎的发现促使首相菅直人发布了新的关于海产品放射性水平安全的标准。
2
Article 49 materials containing radioactivity in excess of standards or materials containing toxic and harmful substance easy to dissolve in the water may not be used in a Marine construction project.