其中核心的规范是在1976年通过的叫做《有毒物质控制法令》的一项法案。
The central regulation there is something called the Toxic Substances Control Act, which was passed in 1976.
这项工作规范反之也许有助于说明美国人何以拥有如此丰富的物质财富。
This work ethic may in turn help to explain Americans' material wealth.
在现行美国规范下，事实上我们都是一系列可能有毒物质的试验品。
Under current US regulations, we're all DE facto test subjects for a whole range of potential toxins.
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