Indiana Code Title 13. Environment § 13-25-2-2

Sec. 2. (a) A substance is subject to this chapter if the substance is on the list published under 42 U.S.C. 11002(a)(2).

(b) Except as provided in section 6 of this chapter, a facility is subject to this chapter if a substance on the list referred to in subsection (a) is present at the facility in an amount that exceeds the threshold planning quantity established for the substance.

(c) For purposes of emergency planning, the Indiana emergency response commission may designate additional facilities that are subject to this chapter if the designation is made after public notice and opportunity for comment.  The commission shall notify a facility affected by a designation under this section.