在18所内陆帝国学校的水中发现了铅,对学生的健康构成了危险。
Lead was found in the water of 18 Inland Empire schools, posing risks to students' health.
2017年至2020年期间,在18个内陆帝国学校区的饮用水中发现了铅,尽管自1986年以来已禁止使用铅管。
Lead was found in the drinking water of 18 Inland Empire school districts between 2017 and 2020, despite a ban on lead pipes since 1986.
学校通过更换管道、关闭饮用水喷泉和添加过滤器来解决这一问题,尽管许多学生可能用铅含量高于安全标准的水消费。
Schools addressed the issue by replacing pipes, shutting off drinking fountains, and adding filters, though many students likely consumed water with lead levels above safe standards.
铅接触可造成学习困难和发育延误,特别是在6岁以下儿童中。
Lead exposure can cause learning difficulties and developmental delays, especially in children under 6.