90年代联邦和州级管理部门同意由各州尽可能统一限制五大湖最具毒性的污染源；国会现正讨论一项促进各州进一步合作的提案。

In the 1990s federal and state regulators agreed to make state limits more uniform for the Great Lakes' most toxic pollutants; Congress is now considering a bill to promote further collaboration.

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该型消毒剂急性经口毒性为实际无毒级，对小鼠骨髓嗜多染红细胞无致微核作用，弱蓄积性。

It was actually nontoxic by acute oral toxicity test, did not cause micronucleus formation in mouse bone marrow polychromatic erythrocytes and had weak cumulative effect.

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结果表明：医用级聚醚砜树脂无毒性、无热源和致敏反应，对皮肤无刺激、体外溶血率小于5%。

The results show: there is no toxicity, no reaction of pyrogen or sensitization, and no irritation to the skin. The hemolysis rate in vitro is less than 5%.

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