TSCA如何定义“化学物质”

TSCA将“化学物质”定义为具有特定分子特性的任何有机或无机物质，包括由于化学反应或在自然界中发生的全部或部分发生的这些物质的任何组合，以及任何元素或未结合的基团。

Chemicals substances on the Inventory include:

· Organics;

· Inorganics;

· Polymers; and

· Chemical substances of unknown or variable composition,complex reaction products, and biological materials (UVCBs).

What is a chemical substance for purposes of regulation under TSCA?

TSCA规定的化学物质是什么？

The Toxic Substances Control Act (TSCA) defines the term "chemical substance" as "any organic or inorganic substance of a particular molecular identity, including -- (i) any combination of such substances occurring in whole or in part as a result of a chemical reaction or occurring in nature and (ii) any element or uncombined radical." The Environmental Protection Agency (EPA) states: "TSCA defines ‘chemical substance’ broadly and in terms which cover microorganisms as well as traditional chemicals."

“有毒物质控制法”（TSCA）将术语“化学物质”定义为“具有特定分子特性的任何有机或无机物质，包括 - （i）由于以下原因而全部或部分出现的此类物质的任何组合化学反应或在自然界中发生的和（ii）任何元素或未结合的自由基。“美国环境保护署（EPA）表示：“TSCA广义地定义了'化学物质'，涵盖了微生物和传统化学品。”