b) The proposal to list a contaminant as a toxic air contaminant, or to delist a toxic air contaminant, must include, at a minimum, the following:

1. 1) The contaminant or toxic air contaminant name and Chemical Abstract Service Number where applicable;

2. 2) The basis for listing or delisting pursuant to Section 232.200(b) or (c). This shall include but is not limited to, a showing of one of the following:

   1. A) The toxicity score or carcinogen classification is correctly determined pursuant to the Subpart C procedures;
   2. B) The Subpart C procedure for determining a toxicity score or carcinogen classification is not appropriate for the contaminant;
   3. C) The Subpart C procedure for determining a toxicity score or carcinogen classification is incorrectly applied for the contaminant;
   4. D) The studies used are inadequate for the purposes of the Subpart C procedure; or
   5. E) Additional or new studies should be considered in a determination to list or delist a contaminant.
3. 3) A copy of each study or report used to justify the proposal.