【详细解释】 The Toxic Substances Control Act (TSCA) of 1976 was enacted by Congress to give EPA the ability to track the 75000 industrial chemicals currently produced or imported into the United States1976 美国国会颁布的有毒物质控制法案授权美国环境署对已有的75000种工业化学物质或进口到美国的化学物质进行跟踪监控