TSCA如何定義“化學(xué)物質(zhì)”

TSCA將“化學(xué)物質(zhì)”定義為具有特定分子特性的任何有機或無機物質(zhì)，包括由于化學(xué)反應(yīng)或在自然界中發(fā)生的全部或部分發(fā)生的這些物質(zhì)的任何組合，以及任何元素或未結(jié)合的基團。

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規(guī)定的化學(xué)物質(zhì)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."

“有毒物質(zhì)控制法”（TSCA）將術(shù)語“化學(xué)物質(zhì)”定義為“具有特定分子特性的任何有機或無機物質(zhì)，包括?-?（i）由于以下原因而全部或部分出現(xiàn)的此類物質(zhì)的任何組合化學(xué)反應(yīng)或在自然界中發(fā)生的和（ii）任何元素或未結(jié)合的自由基。“美國環(huán)境保護署（EPA）表示：“TSCA廣義地定義了'化學(xué)物質(zhì)'，涵蓋了微生物和傳統(tǒng)化學(xué)品?！?/p>