What Are Chemical Mixtures?
The Chemical Diversion and Trafficking Act of 1988 (CDTA) created a definition of “chemical mixture” (21 U.S.C. 802(40)), and exempted chemical mixtures from regulatory coverage. The Domestic Chemical Diversion Control Act of 1993 (DCDCA), enacted in April of 1994, created a provision dealing with the exemption of chemical mixtures. Chemical mixtures are defined as “a combination of two or more chemical substances, at least one of which is not a list I chemical or a list II chemical, except that such term does not include any combination of a list I chemical or a list II chemical with another chemical that is present solely as an impurity.” How Are Ephedrine, Nmethylephedrine, Nmethylpseudoephedrine, Norpseudoephedrine, Phenylpropanolamine, and Pseudoephedrine Used in Chemical Mixtures and What Are the Regulatory Consequences? Ephedrine, Nmethylephedrine, Nmethylpseudoephedrine, norpseudoephedrine, phenylpropanolamine, and pseudoephedrine are List I chemicals. The only chemical mix
