(2)
List of extremely hazardous substances
Within 30 days after October 17, 1986, the Administrator shall publish a list of extremely hazardous substances. The list shall be the same as the list of substances published in November 1985 by the Administrator in Appendix A of the “Chemical Emergency Preparedness Program Interim Guidance”.
(4)
Revisions
The Administrator may revise the list and thresholds under paragraphs (2) and (3) from time to time. Any revisions to the list shall take into account the toxicity, reactivity, volatility, dispersability, combustability, or flammability of a substance. For purposes of the preceding sentence, the term “toxicity” shall include any short- or long-term health effect which may result from a short-term exposure to the substance.