FDA stopped monitoring mercury levels in domestically-caught fish in 1998. Yet in one sampling, three of the four fish tested in 1997 had levels exceeding FDA's human health standard for mercury.
美国食物药品管理局在1998年已停止监管在本地捕捉鱼类的水银含量。但是在1997年一个抽样调查中,每四尾鱼中有三尾超过食物药品管理局的水银含量健康标准。
It is the first national fish tissue survey to be based on a probabilistic (random) sampling design, and it will generate data on the largest set of PBT chemicals ever studied in fish.
该计划在美国第一次采用随机抽样的方法进行鱼体组织调查,并得到了有史以来最详尽的鱼体毒物残留数据。
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