Nomenclature Problems under the TSCA

The TSCA regulates chemical substances [2]. In the statute, the term chemical substance is defined 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 [3]. The EPA states TSCA defines chemical 

The scope of the above definition is difficult to comprehend without illustrative examples, a few of which comprise the major contents of this chapter. A few general definitions will lay the groundwork for the more complex nomenclature issues. 

The TSCA specifically exempts from the definition of chemical substance  

Regnlated nnder the Federal Insecticide, Fnngicide, and Rodenticide Act (FIFRA) Pesticides, 

Certain materials regulated under the Atomic Energy Act, 

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